Polymeric compositions having low glass transition temperatures
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Abstract
The present invention provides polymeric compositions having a high polymer size and a low Tg. These novel compositions are useful as plastic additives. Also provided is a method of improving the processing of a matrix resin by adding one or more of the novel polymeric compositions.
29 Citations
34 Claims
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1-14. -14. (canceled)
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15. A polymeric composition having Polymer Size Index of 2 or higher, said polymeric composition comprising
(i) a first polymeric stage having a glass transition temperature of at most 20° - C., wherein said first polymeric stage comprises a first polymeric component having units derived from one or more monomers selected from the group consisting of butadiene and C1 to C18 alkyl (meth)acrylates and
(ii) a second polymeric stage applied over said first polymeric stage, wherein said second polymeric stage has a Tg of at least 30°
C. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
- C., wherein said first polymeric stage comprises a first polymeric component having units derived from one or more monomers selected from the group consisting of butadiene and C1 to C18 alkyl (meth)acrylates and
Specification