Copolymers of ethylene with (meth) acrylic ester functionalized polysiloxane
Various embodiments described herein are directed to a polymer composition comprising polyethylene and a reaction product of the copolymerization of the ethylene and (meth)acrylic ester functionalized polysiloxane, and optionally one or more units derived from a termonomer. Articles made from the polymer composition and methods of making the polymer composition are also described.
1 . A polymer composition comprising polyethylene and a reaction product of the copolymerization of ethylene monomer and (meth) acrylic ester functionalized polysiloxane, and optionally one or more units derived from a termonomer, wherein the (meth) acrylic ester functionalized polysiloxane has a structural formula of one or more of the following:
where: R is methyl or hydrogen; R 1 is a bridge group that connects functional group (meth) acrylate with siloxane selected from the group consisting of a C 2 -C 20 alkylene linker where one or more carbon atoms can be substituted with oxygen and silicon; R 2 is an end group selected from alkyl, aryl, or alkenyl; x is an integer from 10 to 1000; and y is an integer from 1 to 20.
2 . The polymer composition of claim 1 , wherein the reaction product of the copolymerization of the ethylene monomer and the (meth)acrylic ester functionalized polysiloxane comprises one or more of the following structures:
where PE is polyethylene.
3 . The polymer composition of claim 1 , wherein the polymer composition has an MWD of 3 to 50.
4 . The polymer composition of claim 1 , wherein the termonomer is present and is selected from the group consisting of an olefin, an unsaturated ester, an unsaturated acid, a functionalized alkene, and combinations thereof.
5 . A blend comprising the polymer composition of claim 1 , and one or more additional polymers.
6 . The blend of claim 5 , wherein the one or more additional polymers comprises low density polyethylene (LDPE), linear low density polyethylene (LLDPE), ultra low density polyethylene (ULDPE), very low density polyethylene (VLDPE), medium density polyethylene (MDPE), high density polyethylene (HDPE), a copolymer including a (meth) acrylate ester, a copolymer comprising (meth) acrylic acid, mono-or diester of maleic acid, a copolymer comprising vinyl acetate, a copolymer comprising trialkoxy vinylsilane, grafted polyethylene, or derivatives or combinations thereof.
7 . An article comprising the polymer composition of claim 1 .
8 . The article of claim 7 , wherein the article is a film.
9 . The polymer composition of claim 1 wherein R is methyl.
10 . The polymer composition of claim 1 wherein R 2 is an alkenyl.
11 . The polymer composition of claim 1 , wherein the polyethylene comprises LDPE.
12 . The polymer composition of claim 1 , wherein the C 2 -C 20 alkylene linker of the R 1 bridge group has carbon atoms substituted with oxygen and silicon.
13 . A process comprising:
reacting, in a polymerization reactor under free-radical polymerization conditions and at a pressure greater than or equal to 100 MPa, ethylene monomer and a (meth) acrylate ester functionalized polysiloxane to produce polyethylene and a copolymer comprising low density polyethylene (LDPE) and functionalized polydimethylsiloxane (PDMS), wherein the (meth) acrylic ester functionalized polysiloxane has a structural formula of one or more of the following:
where: R is methyl or hydrogen; R 1 is a bridge group that connects functional group (meth)acrylate with siloxane selected from the group consisting of a C 2 -C 20 alkylene linker where one or more carbon atoms can be substituted with oxygen and silicon; R 2 is an end group selected from alkyl, aryl, or alkenyl; x is an integer from 10 to 1000; and y is an integer from 1 to 20.
14 . The process of claim 13 wherein the copolymer comprises one or more of the following structures:
where PE is polyethylene.
15 . The process of claim 13 wherein R is methyl.
16 . The process of claim 13 wherein R 2 is an alkenyl.
17 . The process of claim 13 , wherein the polyethylene comprises LDPE.
18 . The process of claim 13 , wherein the C 2 -C 20 alkylene linker of the R 1 bridge group has carbon atoms substituted with oxygen and silicon.