High-transparent, thermoplastically processible polymer compositions
A high-transparent, thermoplastically processable polymer composition is described. In an exemplary embodiment, the polymer composition includes an acrylate organic polymer. The acrylate organic polymer is a copolymer that can include functional groups of hydrocarbon group up to nine carbon atoms, hydroalkyl group, halogenated hydrocarbon groups, aminoalkyl group, aryl group, cycloalkyl group, and/or a combination thereof. The polymer composition may further include a polysilicon compound, polycarbonate polymer, a polyvinyl polymer, a plasticizer, and/or a combination thereof.
1. A high transparency, thermoplastically processible polymer composition, the composition comprising:
(a) a base polymer, wherein the base polymer is an organic copolymer that includes a main constitutional unit of Formula (I),
wherein,
R 1 , R 4 , and R 7 are independently selected form the group consisting of hydrogen and a hydrocarbon group having 1-3 carbon atoms,
R 2 , R 5 , and R 8 are independently selected from the group consisting of hydrogen and a hydrocarbon group having 1-9 carbon atoms,
R 3 , R 6 , and R 9 are independently selected from the group consisting of a hydrocarbon group having 1-9 carbon atoms, a hydroxyalkyl group having 1-9 carbon atoms, an aminoalkyl group having 1-6 carbon atoms, a halocarbon group having 1-6 carbon atoms and at least one halogen, an aryl group, and a cycloalkyl having 4-8 carbon atoms, and
n1, n2, n3 are each an integer from 5 to 30,000;
(b) a C 1 -C 20 alkyl methacrylate polymer, wherein the relative content of the alkyl methacrylate polymer to the base polymer by weight is from 1:19 to 19:1;
(c) a polyvinyl polymer, from 1% to 20% by weight, of general Formula (IV),
wherein, R 13 is selected from the group consisting of a cyano group, an acetoxy group, a hydrocarbon group having 1-9 carbon atoms, a hydroxy group, a halogen group and n6 is an integer from 10000 to 300,000; and
(d) a plasticizer, from 0.1% to 3% by weight, wherein the plasticizer is an ester of sebacic acid;
wherein the composition has not less than 89% optical transparency at wavelengths between 320 nm and 1100 nm.
2. The composition of claim 1 , wherein the polyvinyl polymer is selected from the group consisting of polyacrylonitrile, poly(vinyl acetate), poly(vinyl alcohol), polyvinylchloride and polystyrene.
3. The composition of claim 1 wherein the polymer composition can be processed thermoplastically into highly transparent and durable fibers and sheets.
4. The composition of claim 1 , wherein the composition has an elasticity of equal or greater than 21%.
5. The composition of claim 1 , wherein the base polymer has optical transparency of from 81% to 93% at wavelengths between 280 nm and 400 nm.