Polymer alloy blend or composition and shaped articial obtained therefrom
First Claim
Patent Images
1. A polymer alloy, blend or composition comprising(a) at least one cycloolefin copolymer containing0.1-99% by weight, based on the total mass of the cycloolefin copolymer, of structural units obtained the polymerization of at least one monomer of formulas (I) or (III) ##STR6## wherein the radicals R1 through R6 are identical or different and are hydrogen or a C1 -C20 -hydrocarbon radical, or two or more radicals R1 to R6 form a ring;
- and10to 60% by weight, based on the total mass of the cycloolefin copolymer, of structural units obtained from the polymerization of at least one acyclic olefin of the formula (VIII)
space="preserve" listing-type="equation">R.sup.9 R.sup.11 C═
CR.sup.10 R.sup.12 (VIII) where R9 through R12 are identical or different and are hydrogen or C1 -C8 alky; and
(b) 3 to 25% by weight, based on the total weight of the alloy, blend or composition, of core-shell particles, said core-shell particles containing;
from 30 to 60% by volume, based on the total volume of said core-shell particles, of at least one rubber phase, andfrom 40 to 70% by volume, based on the total volume of said core-shell particles, of at least one hard, non-rubbery phase; and
(c) from 1 to 10% by weight, based on the total mass of the alloy, blend or composition, of a block copolymer.
1 Assignment
0 Petitions
Accused Products
Abstract
Polymer alloy comprising a) one or more cycloolefin copolymers and b) one or more types of core-shell particles and c) one or more block copolymers.
56 Citations
9 Claims
-
1. A polymer alloy, blend or composition comprising
(a) at least one cycloolefin copolymer containing 0.1-99% by weight, based on the total mass of the cycloolefin copolymer, of structural units obtained the polymerization of at least one monomer of formulas (I) or (III) ##STR6## wherein the radicals R1 through R6 are identical or different and are hydrogen or a C1 -C20 -hydrocarbon radical, or two or more radicals R1 to R6 form a ring; - and
10to 60% by weight, based on the total mass of the cycloolefin copolymer, of structural units obtained from the polymerization of at least one acyclic olefin of the formula (VIII)
space="preserve" listing-type="equation">R.sup.9 R.sup.11 C═
CR.sup.10 R.sup.12 (VIII)where R9 through R12 are identical or different and are hydrogen or C1 -C8 alky; and (b) 3 to 25% by weight, based on the total weight of the alloy, blend or composition, of core-shell particles, said core-shell particles containing; from 30 to 60% by volume, based on the total volume of said core-shell particles, of at least one rubber phase, and from 40 to 70% by volume, based on the total volume of said core-shell particles, of at least one hard, non-rubbery phase; and (c) from 1 to 10% by weight, based on the total mass of the alloy, blend or composition, of a block copolymer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
- and
-
9. A process for preparing a polymer alloy, blend or composition, comprising:
-
forming a masterbatch by mixing together (a) one or more cycloolefin copolymers, (b) a particulate mass comprising core-shell particles, and (c) one or more block copolymers, to obtain the masterbatch, and mixing the resulting masterbatch with one or more cycloolefin copolymers.
-
Specification