Thermoplastic elastomer material for replacing PVC coated polyester yarns and preparation method thereof

The invention discloses a thermoplastic elastomer material for replacing polyvinyl chloride (PVC) coated polyester yarns and a preparation method thereof. The thermoplastic elastomer material consists of the following raw materials in part by weight: 50 to 80 parts of matrix resin, 5 to 20 parts of softening plasticizer, 3 to 15 parts of mineral filler, 5 to 15 parts of compatilizer, 0.2 to 2 parts of lubricant and 0.2 to 0.5 part of stabilizer. All the raw materials are mixed uniformly in a high-speed mixer according to the proportion, and the uniformly mixed raw materials are extruded, pulled, cooled and granulated on a common double-screw extruder to form the thermoplastic elastomer material for replacing the PVC coated polyester yarns. The invention has an obvious advantage that the thermoplastic elastomer material for replacing the PVC coated polyester yarns has no special requirement for the equipment in a coated polyester yarn extrusion processing technique, namely the conventional ...

Thermoplastic elastomer material for replacing PVC coated polyester yarns and preparation method thereof

Thermoplastic elastomer material and preparation method thereof

The invention is suitable for the field of engineering plastic, and provides a thermoplastic elastomer material and a preparation method of the thermoplastic elastomer material. The thermoplastic elastomer material comprises the following components in parts by weight: 40-60 parts of base body resin, 5-20 parts of a softening plasticizer, 15-25 parts of conductive carbon black, 5-15 parts of a compatilizer, 30-40 parts of a flame retardant, 0-2 part of a lubricant and 0-2 parts of a stabilizer. The thermoplastic elastomer material provided by the invention is strong in anti-static capacity, and a static releasing agent is never separated out, so that the anti-static effect is lasting and effective. Meanwhile, the material has better flame retardant performance and is environmentally friendly.

Detection and analysis method, quality monitoring method and classification method of tea leaves

The invention provides a tea leaf detection and analysis method, a method for monitoring the quality of tea leaves in the preparation process and a tea leaf classification and discrimination method. The method provided by the invention has the characteristics of rapidness, simplicity, production on-line analysis and the like. The method provided by the invention can also improve the quality analysis of tea leaves (such as Pu'er tea) in the production process.

Pu'er ripe tea beverage and preparation method thereof

The invention provides a fermented Pu'er tea beverage and a preparation method thereof. The method comprises the following steps: (1) digesting dry Pu'er ripe tea raw materials in water at 80-90 DEG C for 15-50 minutes according to a tea-water ratio of 1: (20-100), so as to obtain tea soup; 2) cooling the tea soup, and centrifuging with a disc centrifuge to obtain a centrifugate; 3) mixing the centrifugate with polydextrose, erythritol, maltitol and water to obtain a material mixed solution, based on the total weight of the material mixed solution, the amount of the dried Pu'er ripe tea raw material is (0.5-1.5) wt%, the amount of the polydextrose is (1.5-3.5) wt%, the amount of the erythritol is (1-3) wt%, and the amount of the maltitol is (1-3) wt%; and 4) performing high-temperature sterilization on the material mixed solution. The obtained Pu'er ripe tea beverage is red, thick and transparent in soup color, mellow and normal in fragrance, coordinated in flavor, mellow and sweet in taste ...

Method for regreening slope in tropical zone

The invention provides a method for regreening a side slope in a tropical zone, and belongs to the technical field of ecological restoration. The method comprises the following steps that bamboo poles containing buds of the climbing bamboos are planted on the slope top or the upslope position of a side slope in a surrounding slope mode. In the invention, the climbing bamboos are bamboo plants with climbing characteristics in the bamboo subfamily, and the stalks of the climbing bamboos are in a climbing shape or a reclining and overhanging shape and are similar to liana plants. According to the method, the Climbing bamboos have the characteristic of rapid propagation, the Climbing bamboos serve as a three-dimensional plant ecological restoration material to be planted on the slope top or the upslope position, the slope surface can be rapidly covered, the slope bottom can be rapidly reached, and therefore the ecological landscape is rapidly restored, and integrated ecological integrity sustainable ...

Plant stem flow measuring device and hollow stem plant stem flow measuring method thereof

The invention discloses a plant stem flow measuring device and a hollow stem plant stem flow measuring method thereof, and belongs to the technical field of plant stem flow instruments.The device comprises a probe adjusting frame provided with a plant stem flow instrument, and the probe adjusting frame comprises a first positioning guide rail, a second positioning guide rail, an adjusting mounting plate and an adjusting mechanism; a first positioning opening and a second positioning opening are respectively formed in the end parts of the first positioning guide rail and the second positioning guide rail, a heating probe and a reference probe of the plant stem flow instrument are fixed on the adjusting mounting plate, and a safe distance is formed between the heating probe and the reference probe. The method comprises the following steps: S1, measuring the wall thickness of the hollow stalk; s2, drilling a heating needle hole and a reference needle hole which are distributed up and down ...

TPV (thermoplastic vulcanizate) alloy material for bonding encapsulation of PETG (polyethylene terephthalate glycol) and preparation method of TPV alloy material

The invention belongs to the field of macromolecular materials, and provides a TPV (thermoplastic vulcanizate) alloy material for bonding encapsulation of PETG (polyethylene terephthalate glycol) and a preparation method of the TPV alloy material. The composite material comprises components in percentage by weight as follows: 40-65% of polyurethane elastomers, 10-20% of EPDM elastomers, 3-5% of SEBS elastomers, 5-15% of a plasticizer, 10-15% of a compatilizer, 10-15% of a filling agent, 0.1-0.5% of a vulcanizing agent, 0.1-0.5% of a vulcanizing aid and 1-2% of an aid. The preparation method comprises steps as follows: weighing out all the components in percentage by weight, evenly mixing all the weighed components to obtain a mixture, adding the obtained mixture to a twin-screw machine, and performing melt extrusion and granulation to obtain the TPV alloy material for bonding encapsulation of the PETG. The TPV alloy material for bonding encapsulation of the PETG has the characteristics ...

Water seepage pipe for agricultural irrigation and preparing method thereof

The invention discloses a water seepage pipe for agricultural irrigation and a preparing method thereof. The water seepage pipe comprises a water seepage pipe body and filter cloth wrapping the water seepage pipe body. The water seepage pipe body comprises, by mass, 85-90% of atactic polypropylene, 3-8% of polyvinyl chloride and 3-8% of polyethylene; the filter cloth comprises, by mass, 65-75% of polybutylene terephthalate glycol and 25-35% of isotatic polypropylene. The preparing method of the water seepage pipe is simple, in comparison with some current preparing methods for the water seepage pipe, raw materials are easy to obtain, operation is easy, the service life of the prepared water seepage pipe is longer compared with that of an existing water seepage pipe, and the effect is better.

Method for recovering rattan forest under natural secondary forest

The invention discloses a method for recovering a rattan forest under a natural secondary forest, which comprises the following steps of: selecting an environment of which the gradient is less than 10 degrees and the terrain is a concave land or a depression; selecting a natural secondary forest as a growth environment of a rattan forest to plant rattan, wherein the canopy height of the natural secondary forest is 8-14 m, the diameter at breast height of the natural secondary forest is larger than 2 cm and is smaller than 7000 plants per hm < 2 >, the illumination ratio of the natural secondary forest is 0.35-0.50 at the position 0.5 m away from the ground, and the canopy density of the natural secondary forest is smaller than 0.6; the density of the rattan rattan is controlled to be 2400-3600 plants/hm < 2 > by adopting a complementary planting or digging mode in a rainy season; nitrogen and phosphorus fertilizers are simultaneously applied to the palm rattan forest for multiple times ...

Special chamber pot for women

The utility model relates to the field of medical supplies, specifically indicate a special chamber pot for women, it includes that urine collection funnel urinates the ware with storing up, urine collection funnel's edge is identical with the outer private parts of women set up a catheter between urine collection funnel and the storage urine ware, catheter is cylinder or ellipsoid or spheroid, the detachable urine collection funnel's of being connected with the storage urine entry that connects the urine export with store up the urine ware respectively on catheter relative both sides, the area in arbitrary cross -section of catheter is greater than the area that connects the urine export and store up the urine entry. The utility model discloses not only make things convenient for the washing, easily dismantle, have the function that prevents the urine seepage and prevent urine time hourglass moreover.

Intelligent water-saving subsurface irrigation and drainage system

The invention relates to the field of farmland irrigation and water conservancy, in particular to an intelligent water-saving subsurface irrigation and drainage system to overcome the defects that in the existing farmland irrigation technology, the utilization rate of water resources is low, drainage of stagnant water is difficult, and the automation degree is low. The intelligent water-saving subsurface irrigation and drainage system comprises a water supply device, a subsurface irrigation net pipe, a draining device, a control module and a humidity sensing module. The water supply device comprises a water supply pump, a pressure tank and a first solenoid valve X1 used for being connected with the pressure tank and the subsurface irrigation net pipe. The draining device comprises a vacuum pump and a second solenoid valve X2 used for being connected with the subsurface irrigation net pipe and the vacuum pump. The control module comprises a control chip U1, wherein the two output ends of ...

Medical low limbs flesh power exerciser

The utility model discloses a medical low limbs flesh power exerciser, step on clamp plate and shank side support including exerciser base, the fixed cover of shank, the fixed cover of foot, sole, the sole is stepped on the clamp plate and is located between fixed cover of shank and the shank side support, and the fixed cover of foot is located the fixed cover of shank and the sole is stepped on between the clamp plate, the fixed cover of shank links to each other with the one end of four first springs, the sole is stepped on the clamp plate and is passed through second spring swing joint on shank side support, the fixed cover of foot through third spring swing joint on shank side support, two long edge symmetries of exerciser base are provided with two sets of fixed band piecing devices and two sets of spring joint, two sets of spring joints are continuous with the other end of four first springs respectively, two fixed band piecing devices of a long edge of exerciser base are continuous ...

low-smoke halogen-free flame retardant thermoplastic elastomer alloy for flexible wire rod and preparation method thereof

The invention discloses a low-smoke halogen-free flame-retarding thermoplastic elastomer alloy used for soft wires and a preparation method of the alloy, which is characterized in that: the material comprises thermoplastic polyurethane elastomer, thermoplastic styrene elastomer, compatilizer, phosphorus-nitrogen compound flame retardant, flame-retarding potentiating agent, lubricant, antioxidant and colorant; the weight ratio of the thermoplastic polyurethane elastomer, the thermoplastic styrene elastomer, the compatilizer, the phosphor-nitrogen compound flame retardant, the flame-retarding potentiating agent, the lubricant, the antioxidant and the colorant is 40 to 55 : 5 to 25 : 5 to 10 : 20 to 25 : 3 to 10 : 1.5 : 0.25 : 0.25; the preparation method is that the all components are evenly mixed in a high-speed mixer, and then extruded, drew and granulated at 170 to 210 degree centigrade, and then a low-smoke halogen-free flame-retarding thermoplastic elastomer alloy used for soft wires ...

Nylon bonding and rubberizing TPV (thermoplastic vulcanizate) alloy and preparation method thereof

The invention provides nylon bonding and rubberizing TPV (thermoplastic vulcanizate) alloy. The nylon bonding and rubberizing TPV alloy comprises the following components in percentage by mass: 37-60% of a polyurethane elastomer, 10-15% of a rubber elastomer 1, 3-5% of a rubber elastomer 2, 5-15% of a plasticizer, 10-15% of a compatilizer, 10-15% of a filler, 0.1-0.5% of a vulcanizing agent, 0.1-0.5% of a vulcanizing auxiliary agent and 1-2% of other auxiliary agents. The invention further provides a preparation method of the nylon bonding and rubberizing TPV alloy. By matching the polyurethane elastomer with the rubber elastomers, the compatilizer and the plasticizer, the TPV alloy obtained through dynamic vulcanization has good machinability and excellent mechanical properties, and particularly has good bonding power for nylon materials with different models; the applicability of the TPV alloy is improved, so that the TPV alloy is applicable to nylon bonding and rubberizing.