PROCESS OF MANUFACTURING POLYOLS

A method of producing a polyether polyol that includes reacting a low molecular weight initiator with one or more monomers in the presence of a polymerization catalyst, the low molecular weight initiator having a number average molecular weight of less than 1,000 g/mol and a nominal hydroxyl functionality at least 2, the one or more monomers including at least one selected from propylene oxide and butylene oxide, and the polymerization catalyst being a Lewis acid catalyst having the general formula M(R)1(R)1(R)1(R)0 or 1. Whereas, M is boron, aluminum, indium, bismuth or erbium, R, R, and R3 each includes a same fluoroalkyl-substituted phenyl group, and optional Rincludes a functional group or functional polymer group. The method further includes forming a polyether polyol having a number average molecular weight of greater than the number average molecular weight of the low molecular weight initiator in the presence of the Lewis acid catalyst. 1. A method of producing a polyether polyol , comprising:{'sup': 1', '2', '3', '4', '1', '2', '3', '4, 'sub': 1', '1', '1', '0 or 1, 'reacting a low molecular weight initiator with one or more monomers in the presence of a polymerization catalyst, the low molecular weight initiator having a nominal hydroxyl functionality of at least 2, the one or more monomers being at least one selected from propylene oxide and butylene oxide, and the polymerization catalyst being a Lewis acid catalyst having the general formula M(R)(R)(R)(R), whereas M is boron, aluminum, indium, bismuth or erbium, R, Rand Reach includes a same fluoroalkyl-substituted phenyl group, and optional Rincludes a functional group or functional polymer group; and'}forming a polyether polyol having a number average molecular weight of greater than the number average molecular weight of the low molecular weight initiator in the presence of the Lewis acid catalyst.2. The method as claimed in claim 1 , wherein the Lewis acid catalyst has the general formula M(R)(R)(R)( ...

PROCESS OF MANUFACTURING POLYOLS

A method of producing a polyether polyol includes reacting a low molecular weight initiator with one or more monomers in the presence of a polymerization catalyst, and the low molecular weight initiator has a nominal hydroxyl functionality of at least 2. The one or more monomers includes at least one selected from propylene oxide and butylene oxide. The polymerization catalyst is a Lewis acid catalyst having the general formula M(R)(R)(R)(R), whereas M is boron, aluminum, indium, bismuth or erbium, R, R, R, and Rare each independent, Rincludes a fluoroalkyl-substituted phenyl group, Rincludes a fluoroalkyl-substituted phenyl group or a fluoro/chloro-substituted phenyl group, Rincludes a fluoroalkyl-substituted phenyl group or a fluoro/chloro-substituted phenyl group, and optional Rincludes a functional group or functional polymer group, Rbeing different from at least one of Rand R. 1. A method of producing a polyether polyol , comprising:{'sup': 1', '2', '3', '4', '1', '2', '3', '4', '1', '2', '3', '4', '1', '2', '3, 'sub': 1', '1', '1', '0 or 1, 'reacting a low molecular weight initiator with one or more monomers in the presence of a polymerization catalyst, the low molecular weight initiator having a nominal hydroxyl functionality of at least 2, the one or more monomers being at least one selected from propylene oxide and butylene oxide, and the polymerization catalyst being a Lewis acid catalyst having the general formula M(R)(R)(R)(R), whereas M is boron, aluminum, indium, bismuth or erbium, R, R, R, and Rare each independent, Rincludes a first fluoroalkyl-substituted phenyl group, Rincludes a second fluoroalkyl-substituted phenyl group or a first fluoro/chloro-substituted phenyl group, Rincludes a third fluoroalkyl-substituted phenyl group or a second fluoro/chloro-substituted phenyl group, and optional Rincludes a functional group or functional polymer group, Rbeing different from at least one of Rand R; and'}forming a polyether polyol having a number average ...

POLYETHER-ACETAL POLYOL COMPOSITIONS

Embodiments of the present disclosure are directed to polyether-acetal polyol compositions, more particularly to polyol compositions including a polyether-acetal polyol that can be utilized to form polyurethanes. As an example, a polyurethane formulation can include a polyol composition including a polyether-acetal polyol functionalized with at least one acetal functional group, where the polyol composition has an average hydroxyl functionality from 2 to 8 and a hydroxyl equivalent weight from 150 to 4000, where the portion of the polyether-acetal polyol that is functionalized with the at least one acetal functional group is 1 percent to 40 percent of a total weight of the polyether-acetal polyol, where the polyether-acetal polyol has a primary hydroxyl group content of at least 55 percent, and a polyisocyanate, where the polyurethane formulation has an isocyanate index in a range from 70 to 500. 1. A polyurethane formulation , comprising:a polyol composition including a polyether-acetal polyol functionalized with at least one acetal functional group, where the polyol composition has an average hydroxyl functionality from 2 to 8 and a hydroxyl equivalent weight from 150 to 4000, where the portion of the polyether-acetal polyol that is functionalized with the at least one acetal functional group is 1 percent to 40 percent of a total weight of the polyether-acetal polyol, where the polyether-acetal polyol has a primary hydroxyl group content of at least 55 percent; anda polyisocyanate, where the polyurethane formulation has an isocyanate index in a range from 70 to 500.2. The polyurethane formulation of claim 1 , where the polyether-acetal polyol is from 1 percent to 100 percent of a total weight of the polyol composition.3. A polyurethane formed by curing any one of the polyurethane formulations of claim 1 , where the polyether-acetal polyol is 1 percent to 97.9 percent of a total weight of the polyurethane.4. The polyurethane of claim 3 , where the polyurethane is a ...

Process of manufacturing polyols

A method of producing a polyether polyol includes reacting a low molecular weight initiator with one or more monomers in the presence of a polymerization catalyst, and the low molecular weight initiator has a nominal hydroxyl functionality of at least 2. The one or more monomers includes at least one selected from propylene oxide and butylene oxide. The polymerization catalyst is a Lewis acid catalyst having the general formula M(R1)1(R2)1(R3)1(R4)0 or 1, whereas M is boron, aluminum, indium, bismuth or erbium, R1, R2, R3, and R4 are each independent, R1 includes a fluoroalkyl-substituted phenyl group, R2 incudes a fluoroalkyl-substituted phenyl group or a fluoro/chloro-substituted phenyl group, R3 includes a fluoroalkyl-substituted phenyl group or a fluoro/chloro-substituted phenyl group, and optional R4 includes a functional group or functional polymer group, R1 being different from at least one of R2 and R3.

Process of manufacturing polyols

Process of manufacturing polyols

Método para produzir um poliéter poliol, método para produzir um produto de poliuretano, poliéter poliol e produto de poliuretano

Um método para produzir um poliol poliéter que inclui reagir um iniciador de baixo peso molecular com um ou mais monômeros na presença de um catalisador de polimerização, o iniciador de baixo peso molecular tendo um peso molecular médio numérico de menos de 1.000 g/mol e uma funcionalidade hidroxila nominal de pelo menos 2, os um ou mais monômeros incluindo pelo menos um selecionado de óxido de propileno e óxido de butileno, e o catalisador de polimerização sendo um catalisador de ácido Lewis tendo a fórmula geral M (R1)1(R2)1(R3)1(R4)0 ou 1. Ao passo que M é boro, alumínio, índio, bismuto ou érbio, R1, R2 e R3 cada um inclui um mesmo grupo fenila substituído por fluoroalquila e R4 opcional inclui um grupo funcional ou grupo de polímero funcional. O método ainda inclui formar um poliéter poliol tendo um peso molecular médio numérico maior do que o peso molecular médio numérico do iniciador de baixo peso molecular na presença do catalisador de ácido Lewis.

Proceso de fabricación de polioles

Un método para producir un poliol de poliéter que incluye hacer reaccionar un iniciador de bajo peso molecular con uno o más monómeros en presencia de un catalizador de polimerización, teniendo el iniciador de bajo peso molecular un peso molecular promedio en número de menos de 1.000 g/mol y una funcionalidad hidroxilo nominal de al menos 2, incluyendo el uno o más monómeros al menos uno seleccionado entre óxido de propileno y óxido de butileno, y siendo el catalizador de polimerización un catalizador de ácido de Lewis que tiene la fórmula general M(R1)1(R2)1(R3)1(R4)0 o 1. Mientras que M es boro, aluminio, indio, bismuto o erbio, R1, R2 y R3 incluyen cada uno un mismo grupo fenilo sustituido con fluoroalquilo, y R4 opcional incluye un grupo funcional o un grupo polimérico funcional. El método incluye además formar un poliol de poliéter que tiene un peso molecular promedio en número mayor que el peso molecular promedio en número del iniciador de bajo peso molecular en presencia del catalizador de ácido de Lewis. (Traducción automática con Google Translate, sin valor legal)