ANTISTATIC HARD COATING COMPOSITION AND OPTICAL SHEET USING SAME

Hereinafter, the present invention a described S406.

One embodiment form of the present invention 600 to 400 gram equivalent weight of polyurethane in an acrylic (metadata) acrylate oligomer, formula 1 for satisfying a number antistatic alkaline earth metal salts and number including antistatic hard coating is directed to compositions.

[Type 1]

0. 3 < < 0 (RP_A x a) + (RP_B x b). 4

Said in formula,

For the RP_A (Relative Polarity)-value number A relative polarity,

For for number for which has a low overall a number A is weight ratio of,

For the RP_B (Relative Polarity)-value number B relative polarity,

B which has a low overall for number is number B for to weight ratio of.

Said acrylic gram equivalent acid satisfies the following formula 2 has a value calculated as.

[Type 2]

Acrylic gram equivalent/molecular weight oligomer=can acrylic functional group per molecule

In one embodiment of the present invention, said polyurethane (metadata) having an equivalent weight in gram acrylic acrylate oligomer 400 to 600 controlled and which, said 0 value (RP_A x a) + (RP_B x b). 3 to 0. 4 to selectively control the, number using antistatic alkaline earth metal salts, alkaline earth metal salts antistatic number the surface power to open or antistatic even in small amounts to outputted, the hard. to improve the firmness hardcoat layer.

In one embodiment of the present invention, said polyurethane (metadata) acrylate oligomer of the present invention hard coating composition is bath number to provide flexibility resilience and an optical sheet corresponding as well as, surface of said alkaline earth metal salts antistatic number antistatic even in small amounts as to cause more force outputted outputs a relay driving signal..

Said polyurethane (metadata) acrylate oligomer, a polyfunctional solvent having hydroxy groups in the molecule (metadata) acrylate and 2 or more isocyanate groups in the molecule receives polymerization reaction compounds having number can be under trillion.

Said solvent having hydroxy groups in the molecule, a polyfunctional (metadata) may be, for example, of the specific acrylate, 2 - hydroxyethyl (metadata) acrylate, 2 - hydroxyisopropylphenylketone (metadata) acrylate, 4 - hydroxybutyl (metadata) acrylate, polycaprolactone modified hydroxy acrylate, [...]/tetra (metadata) acrylate mixture, [...]/hexa (metadata) acrylate mixture, alkyl [...][...] hydroxy in 2 - 4 carbon atoms (metadata) acrylate as to the aromatic hydrocarbon but, the number one are not. In particular, alkyl acrylate or hydroxy modified polycaprolactone [...][...] hydroxy in 2 - 4 carbon atoms (metadata) acrylate are can be used.

2 or more isocyanate groups in the molecule in addition said method of screening a compound having an a specific example, 1, 4 - the dee small city it knows but toe Bhutan, [...] 1, 6 -, 1, 8 - the dee small city it knows but the toe octane, 1, 12 - the dee small city it knows but the toe space, the dee small city it knows but the toe cyclopentane methyl - 2 - 1, 5 -, trimethyl - 1, 6 - [...], 1, 3 - bis (isocyanate at the time of it knows but the toe methyl) cyclohexane, trans - 1, 4 - cyclo [...], 4, 4 '- methylene bis (cyclo hexylisocyanate which has), ISO [...], toluene - 2, 4 - diisocyanate, toluene - 2, 6 - diisocyanate, xylene - 1, 4 - diisocyanate, tetramethyl - 1, 3 - xylene diisocyanate, 1 - chloromethyl - 2, 4 - diisocyanate, 4, 4' - methylene bis (2, 6 - dimethyl [...]), 4, 4' - oxy bis (phenylisocyanate), hexa [...] derived from isocyanate functional 3, tree [...] the logical source including the device, or the like, the number one are not. In particular, hexa [...] derived from [...] or isocyanate functional 3 can be used.

Said antistatic polyurethane (metadata) acrylate oligomer 100 entire hard coating composition 10 to 50 weight % relative to weight body is included to the display apparatus KIPO & %. 10 weight % said content antistatic alkaline earth metal salts if less than number mix effect a pipe the surface the antistatic characteristic can be decreased, a, greater than 50 weight % while varying function of a blower fan and membrane thermostable surface can be.

In one embodiment of the present invention, for the number for said number B number as for and a number A for mixing of, said type 1 a satisfies is publicly known in the art, use can be made of, without the number.

In one embodiment of the present invention, for polarity include number A for said number, specifically 0 is antipodal values, relatively. 3 to 0. 8 in number for alcohol, for example methanol (relative antipodal values: 0. 762), ethanol (relative antipodal values: 0. 654), isopropanol (relative antipodal values: 0. 546), butanol (relative antipodal values: 0. 586), diethylene glycol (relative antipodal values: 0. 713) which fixing, in particular ethanol can be is used.

While, for nonpolar include number B for said number, relative antipodal values is 0. 001 to 0. 15 for hydrocarbon in number, for example n - hexane (relative antipodal values: 0. 009), n - heptane (relative antipodal values: 0. 012), benzene (relative antipodal values: 0. 111), toluene (relative antipodal values: 0. 099), xylene (relative antipodal values: 0. 074) which fixing, in particular is toluene can be used.

The number for said said antistatic hard coating composition 30 to 70 weight % with respect to entire 100 body is included to the display apparatus KIPO & weight %. Said content less than 30 weight % viscosity is raised and workability when the surface smoothness is door deficiency and decreased bone which may be seen number, greater than 70 weight % coating when the pressure increase on the flatness for excess of lower processing costs and the second number is increased engineering and electron do not go.

In one embodiment of the present invention, number has an antistatic alkaline earth metal salts said to can be compounds of formula 1.

[Formula 1]

In said formula,

M an alkali earth, specifically beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba) or radium (Ra), is in particular magnesium (Mg).

Said alkaline earth metal salts antistatic number stores a hard coating, relative to the total composition, 15 to 1 weight % to 100 weight body is included to the display apparatus KIPO & %. Said content antistatic characteristic if less than 1 weight % of the sheet a thermistor attached the control unit sets up the electrostatic-methylprrolidone not greater lithium manganese oxide, method for manufacturing of ability to handle which the film is to be formed, yellowing surface greater than 15 weight %, in a case of a lack of adhesion, number door such as spot unevenness and. can occur.

In addition, said alkaline earth metal salts antistatic number antistatic alkali metal salt has number exposed compared to is laminated in the transistor circuit, influence of antistatic characteristic according to environment, of the humidity and the temperature to be expression ID an encapsulant performance is kept at a..

According to one embodiment of the present invention form antistatic hard coating composition and optical monomer acrylate (metadata) may further comprise the KIPO & disclosure number.

(Metadata) acrylate monomer said antistatic hard coating composition of the present invention which is made from hard hardcoat layer and serves to direct density improved curing.

Said (metadata) acrylate monomer in specific embodiments, Neo [...] (metadata) acrylate, 1, 6 - hexanediol (metadata) acrylate, propylene glycol D (metadata) acrylate, [...] tree (metadata) acrylate, deep [...] (metadata) acrylate, polyethylene glycol D (metadata) acrylate, poly propylene glycol D (metadata) acrylate, tree the methyl the propane tree which comes (metadata) acrylate, tree the methyl the ethane tree which comes (metadata) acrylate, 1, 2, 4 - cyclohexane tetra (metadata) acrylate, pen hit writing three roll tree (metadata) acrylate, [...] (metadata) acrylate, [...] (metadata) acrylate, [...] (metadata) acrylate, [...] (metadata) acrylate, [...] (metadata) acrylate, [...] (metadata) acrylate, tree [...] (metadata) acrylate, tree [...] (metadata) acrylate, bis (2 - hydroxyethyl) [...] isocyanate (metadata) acrylate, hydroxyethyl (metadata) acrylate, hydroxypropyl (metadata) acrylate, hydroxybutyl (metadata) acrylate, ISO octyl (metadata) acrylate, ISO deck thread (metadata) acrylate, stearyl (metadata) acrylate, tetra [...] (metadata) acrylate, (metadata) acrylate and it sees and it comeslung stipendiary hour ethyl (metadata) acrylate from the group consisting of at least one 1 can be selected.

Said antistatic (metadata) acrylate monomer entire hard coating composition 10 to 40 weight % to 100 weight body is included to the display apparatus KIPO & %. Less than 10 weight % said content when the door is lowered and surface hardness curing rates and point number, chemical immersion resistance, cracking when higher than 40 weight %, flexible due to a reduction optical sheet including a bond finger and a ball may occur causing the KIPO &.

Said optical disclosure number light irradiating pressure to hard coating composition make which serves change to a solid. Disclosure number optical said neck structure or molecular binding energy radical cleavage of by-molecules based on the difference are being created hydrogen and a disclosure number optical Type 1 optical Type 2 type England. disclosure number. Type 1 optical disclosure number may be, for example, of the specific with lung stipendiary hour D claw Oh three toe lung rice field 4 -, 4-T - butyl with D claw Oh three toe lung rice field, 4-T - butyl with tree claw Oh three toe lung rice field, [...], presymptomatic methyl 3 -, 4 - with Oh three toe lung rice field acknowledgement, 4, 4 - [...], presymptomatic - 2 - dimethoxy, 2 - hydroxy - 2 - methyl - l - phenylpropanamide - 1 - on, 1 - (4 - isopropyl phenyl) - 2 - hydroxy - 2 - methyl propanamide - l - on, 1 - (4 - use of Saccharomyces cerevisiae thread phenyl) - 2 - hydroxy - 2 - methyl propane - 1 - on, 4 - (2 - hydroxyethoxy) - phenyl (2 - hydroxy - 2 - profile) ketone, 1 - hydroxy [...], lung rice field type's such as phenyl ketone cycloalkyl hydroxy 4 -, a, benzo the methyl ether which is, benzo the ethyl ether which is, benzyl [...] such as benzo man, the gun hour pin oxide type which will know, titanocenes can be mentionned compounds and the like. Type 2 of the specific optical disclosure number may be, for example, benzophenone, benzoyl [...], benzoyl [...][...], 4 - phenyl benzophenone, hydroxybenzophenone, 4 - benzol -4 '- methyl diphenyl sulfide, 3, 3' - methyl - 4 - [...] such as benzophenone current, thioxanthone, 2 - chloro thioxanthone, 2 - methyl thioxanthone, 2, 4 - dimethyl thioxanthone, thioxanthone such as isocyanate as to the aromatic hydrocarbon KIPO & pro the mote jade which will bloom it buys ton. Light exemplary said at least one disclosure number 2 or appear alone therefore mixing, and Type 1 Type 2 type may be used as a light - weight. In addition, the disclosure number optical said is publicly known art may be used in without the number, specifically, 2 - methyl - 1 - [4 - (methylthio) phenyl] - 2 - the wool pawl phosphorus pro petal it comes -1, d phenyl ketone, 2 - hydroxy - 2 - methyl - 1 - phenyl - 1 - on, anthraquinone, fluorene, triphenyl amine and thiazolo selected from the group consisting of for supporting stand-alone or mixtures thereof, use can be made of, .

Said optical disclosure number stores a hard coating, relative to the total composition, 0 to 100 weight %. 1 to 10% weight body is included to the display apparatus KIPO &. 0 said content. 1 weight % when cured and the change of the engine load is less than, sufficient vapor curing adhesion or mechanical properties difficult implementing which, when higher than 10 weight % in curing shrinkage and adhesion due to a defect or the breakage effect of a may occur, initial color value can be up.

According to one embodiment form of the present invention said antistatic hard coating composition addition components, commonly used in the art to components suspected of being, number leveling for example, ultraviolet light stability number, number thermal stability, number antioxidant, UV absorbent number, surfactant number, lubricating number, antifouling number such as. and may be included at further.

One embodiment form of the present invention the foregoing antistatic hard coating composition is bath number relates an optical sheet. According to one embodiment of the present invention optical sheet form at least one side of a base described the application of the coating composition hard charged and cured, it has a includes luminance optical device with a hard coating formed.

Said substrates include specifically, diacetyl cellulose, triacetyl cellulose, acetyl cellulose butyl rate derivatives of cellulose, such as, ethylene - vinyl acetate copolymer, polyester, polystyrene, polyamide, polyether amide, polyacrylic, polyimide, polyether sulfone, polyethylene, polypropylene, poly methylpentene, polyvinyl chloride, poly vinylidene chloride, polyvinyl alcohol, polyvinyl acetal, polyether ketone, polyether sulfone, a group including polyester, cellulose triacetate, polyethylene terephthalate, polyethylene naphthalate, such as polycarbonate can be using, and preferably an diacetyl cellulose, polyethylene terephthalate, polymethylmethacrylate fixing but, limited to not.

Said at least one side of a base described charged hard coating composition coating the method on typical publicly known in the art can be using method, specifically die coater, air knife, reverse roll, spray, blade, casting, the bearing or the gravure coating method, use can be made of, .

Said antistatic hard coating composition after the applied to a substrate, at a temperature of 30 to 150 °C 10 seconds to 1 time, more specifically 30 seconds to 30 minutes in order to carry out the method dried volatile, to be cured to UV light. 0 particularly about the dose said UV light. 01 to 10J/cm2 which may be, more particularly 0. 1 to 2J/cm2 can be.

In one embodiment of the present invention, said optical sheet along a first face thereof the prism layer including prism sheet can be. I.e., one side of the laminate material and said substrate formed with the composition hard coating antistatic said optical device with a hard coating layer and, other on one surface of the prism to form a coating layer can be. Conventional prism a composition for forming said prism coating layer a publicly known conventional method in luminance in enhancing functions (where the structured side includes prism structures) having solid structure the angle which is is coating the frame, by irradiating it with UV-rays can be formed by photo.

A reflective optical sheet said, transmission type, transflective LCD or TN type, STN type, OCB type, HAN type, VA type, IPS type various kinds of driving LCD can be is suitably used. In addition, plasma display, field emission display, organic EL display, inorganic EL display, an electronic paper, which are related even various kinds of display device can be used preferably.

The present invention refers to in addition, said optical sheet liquid crystal display device a device number. under public affairs liquid. Backlight unit not one number the device, known in the art can be structure. In one example, light source like LED light component of the light, for light guide panel, a light source of light guide plate on the upper surface diffusion sheet, and can comprise of a prism sheet.

Hereinafter, in the embodiment, the present invention and/or at least two different and e.g. compared more specifically, . These in the embodiment, compared to explain the only relate and e.g. for the present invention, of the present invention is no limited to, range in. nontrivial twiddle factors and the to one skilled in the art.

4 to 1 memorable number: polyurethane (metadata) acrylate oligomer number bath

Electronic agitator, heating the frame which it carries on shoulder, cooling pipe, temperature controller with multi function cap opening 1L 3 isocyanate groups in the molecule to compounds having 2 or more,, a polyfunctional solvent having hydroxy groups in the molecule (metadata) acrylate, remarkably inhibited number to methoxy hydroquinone (hQ-mME, yeast things), cystine dibutyl catalyst (Fascat 4202, [...] yarn) [...] a matrix table 1 composition of the rapid-mixing and slow-mixing reaction temperature heat user while 55 °C a cleaning tank 5 is raised up gradually and the surface temperature then to raise 75 °C reaction temperature, reaction time, which has the 5. Ft-electrons in the NCO on a peak characteristics of2260 cm^-1peak disappear to terminate the process upon the polyurethane (metadata) acrylate oligomer was under trillion number (unit: parts by weight).

1) isocyanurate type HDI dimers of more than 98.5%% triac (death from hungerbetween car yarn, 22% NCO content)

2) isocyanate (Bayer yarn, molecular weight 222) [...]

3) polycaprolactone modified acrylate monomer (die it will count and it buys, molecular weight 344)

4) ethylene oxide modified acrylate monomer (that Nice company of nose, 336 molecular weight)

5) type meal company polyosaccharide, 112 molecular weight

5 memorable number: polyurethane (metadata) acrylate oligomer number bath

Electronic agitator, heating the frame which it carries on shoulder, cooling pipe, temperature controller with [...] by multi function cap opening 1L 3 (IPDI, Bayer yarn, molecular weight 222) 111 g, -tert-buthyl-ethylene glycol (PolyTHF 1000, bASF yarn, molecular weight 1000) 250 g, cystine dibutyl catalyst [...] 0 (Fascat 4202, [...] yarn). 3 g was turned on in 65 °C reacted time 4. The NCO content by assays end groups 5. Was 8%. Herein 2 - hydroxyethyl acrylate (type meal company polyosaccharide, molecular weight 112) 124g, remarkably inhibited number to methoxy hydroquinone (hQ-mME, yeast things) 0. 2 g is electrically connected with the reaction temperature and raised from a 75 °C have a water 5, which has the a reaction time. Ft-electrons in the NCO on a peak characteristics of2260 cm^-1peak disappear to terminate the process upon the polyurethane (metadata) acrylate oligomer was under trillion number. This solution is poured into a tender the equivalent gram acrylic the 834.

In the embodiment 5 to 1: number bath antistatic hard coating composition

2 table a memorable number 1 to 3 composition of the urethane obtained from (metadata) acrylate oligomer, (metadata) acrylate monomer, for number, number and antistatic optical disclosure number mixing the charged hard coating composition was under trillion number (unit: parts by weight).

1) [...] (american circle top dead center)

2) ethanol (relative antipodal values: 0. 654, making the plating spanned the unit really)

3) isopropanol (relative antipodal values: 0. 546, making the plating spanned the unit really)

4) toluene (relative antipodal values: 0. 099, making the plating spanned the unit really)

5) benzene (relative antipodal values: 0. 111, making the plating spanned the unit really)

6) hydroxy [...] (hour gauge)

7) magnesium is M compounds of formula 1 (transition present)

8) a barium is M compounds of formula 1 (transition present)

Comparede.g. 5 to 1: number bath antistatic hard coating composition

3 table a memorable number composition of the urethane obtained from 1, 4 and 5 (metadata) acrylate oligomer, (metadata) acrylate monomer, for number, number and antistatic optical disclosure number mixing the charged hard coating composition was under trillion number (unit: parts by weight).

9) benzo nitrile (relative antipodal values: 0. 333, making the plating spanned the unit really)

10) LiI: number antistatic alkali metal salt (nano [...] contact)

11) quaternary ammonium salt antistatic number ELECOM EDX10: 4 (tact [...] nano)

Experiment1 e.g. :

Antistatic that is obtained from said in the embodiment and comparison e.g. hard coating composition of 188 μm polyethylene terephthalate (PET) film coating the, 1 minutes in 70 °C the light shielding layer pressure mercury lamp high pressure drying the500 mJ/cm², and a photocuring to the hard coat film was under trillion number.

(1) haze transmissivity and

Spectrophotometer (hZ-1, Japanese [...]) using beam transmissitivity (Total Transmittance) and haze (Haze) long since determined the.

(2) pencil hardness

Pencil hardness tester (PHT, Korean three step science yarn) using pencil hardness 500g it was determined that of placing or load. [...] pencil is the use of article number, a pencil hardness per embodiment the 5 times. OK minuses make gismo is 0 or 1, if one or more NG to gismo is 2 was assessed.

(3) scratch

Steel test it will cry (glutamic-LCM100, Korean [...] yarn) 1 kg/using (2cm × 2cm) under the scratch are tested 10 times. #0000 steel it will cry by cylinder to have.

<Evaluation criteria>

S: 0 two scratches

A: two 1 - 10 scratches

B: 11 - 20 two scratches

C: 21 - 30 two scratches

D: 31 one or more scratches

(4) adhesion

Film on the surface with application of 1 mm each longitudinal lateral interval lines of two 11 after a of square two 100 lined, tape (CT-24, Japanese [...] radiation) 3 times using peeling test set up. 100 3 a rectangular two he got down the main averages, and a position thereof is dog. Adhesion he got down the main as follows.

Adhesion=n/100

N: can focuses light to a square is not separated during rectangular entire

100: number of rectangular entire

Thus, one is not separated was 100/100 recording-S1 epitope of hepatitis b virus.

(5) color ghange

For transmission mode using Spectro color meter SE200 [...][...] PET before coating and cured, it has a coating each composition film and then measures the chromatic priceΔE^*_abwas obtained.

ΔE^*_ab={(ΔL^*)²+(Δa^*)²+(Δb^*)²}^1/2

(6) surface resistivity

Of Hiresta mCP-HT450 the surface using it was determined that resistance.

The above-mentioned method to result as measured by an 5 showed to table 4 and table.

In said table 4, the present invention according to in the embodiment 1 to 6 using the coating compositions hard for pacing information transfers in a communications number bath the electrodes play in a hard coat film hardness is satisfactory in turn the surface resistivity is a small color ghange10¹⁰hereinaftercharged prevention performance was a main body. While, in 5 said table, compared e.g. 1 to 7 using the coating compositions hard for pacing information transfers in a communications number bath coating without adversely affecting the hard coating film without good antistatic property, is greater with Ziegler-Natta copolymers is color ghange or while varying function of a blower fan could see he.

At least a particular portion of the present invention detail the 25mbps and techniques, the present technology field of the invention in such specific person with skill in the art to be only the techniques and the user makes a Yale a preferred embodiment, the range of the present invention that are not one number. it is apparent that the. The present technology field of the invention based on content in said ramyon person with skill in the art, which could have various applications of the present invention connected in an ineffective capable of performing and deformation will.

Thus, by issuing an ranges are substantial of the present invention performed on a claim the pixels include defined by equivalent will.