Multimodal polymer particles and uses thereof
First Claim
Patent Images
1. A multimodal polymer particle composition, comprising:
- (a) a larger mode of polymer particles, and (b) a smaller mode of polymer particles, wherein the mean particle size of the larger mode of polymer particles is at least 50 percent larger than the mean particle size of the smaller mode of particles, said smaller mode of polymer particles having a mean particle size of greater than 200 nm, and wherein the total rubbery weight fraction of the larger and smaller modes of polymer particles is at most 90 weight percent.
1 Assignment
0 Petitions
Accused Products
Abstract
A multimodal polymer particle composition containing two or more populations of polymer particles having a total rubbery weight fraction of less than 90 weight percent is provided. Also disclosed is a process for preparing multimodal polymer particle compositions that can be dried to a powder. Multimodal polymer particle dispersions are disclosed for preparing impact modifiers that can be dried to a powder. Also provided are polymeric compositions having a matrix resin component and impact modifiers prepared from multimodal polymer particles.
-
Citations
10 Claims
-
1. A multimodal polymer particle composition, comprising:
-
(a) a larger mode of polymer particles, and (b) a smaller mode of polymer particles, wherein the mean particle size of the larger mode of polymer particles is at least 50 percent larger than the mean particle size of the smaller mode of particles, said smaller mode of polymer particles having a mean particle size of greater than 200 nm, and wherein the total rubbery weight fraction of the larger and smaller modes of polymer particles is at most 90 weight percent. - View Dependent Claims (2, 3, 4, 5)
-
-
6. A multimodal polymer particle dispersion, comprising:
-
(a) water, and (b) polymer particles, said polymer particles comprising;
(i) a larger mode of polymer particles, and (ii) a smaller mode of polymer particles, wherein the mean particle diameter of the larger mode of polymer particles is at least 50 percent larger than the mean particle diameter of the smaller mode of particles, said smaller mode of polymer particles having a mean particle size of greater than 200 nm, and wherein the total rubbery weight fraction of the larger and smaller modes of polymer particles is at most 90 weight percent. - View Dependent Claims (7, 8, 9)
-
-
10. A polymeric composition, comprising:
-
(a) a matrix resin component, and (b) an impact modifier, the impact modifier comprising, (i) a larger mode of polymer particles, and (ii) a smaller mode of polymer particles, wherein the mean particle diameter of the larger mode of polymer particles is at least 50 percent larger than the mean particle diameter of the smaller mode of particles, said smaller mode of polymer particles having a mean particle size of greater than 200 nm, and wherein the total rubbery weight fraction of the larger and smaller modes of polymer particles is at most 90 weight percent.
-
Specification