CORE SHELL POLYMER
First Claim
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1. A core shell polymer comprising (i) a core comprising a polymer having a Tg in the range of from −
- 15 to 35°
C., which polymer is formed from a monomer mixture comprising at least one conjugated diene monomer and (ii) a shell comprising a polymer having a Tg in the range of from 40 to 180°
C., which polymer is formed from a monomer mixture comprising at least one aromatic vinyl monomer, wherein the gel content of the core polymer is below 62%.
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Abstract
The present invention provides a core shell polymer comprising (i) a core comprising a polymer having a Tg in the range of from −15 to 35° C., which polymer is formed from a monomer mixture comprising at least one conjugated diene monomer and (ii) a shell comprising a polymer having a Tg in the range of from 40 to 180 ° C., which polymer is formed from a monomer mixture comprising at least one aromatic vinyl monomer, wherein the gel content of the core polymer is below 62%.
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10 Claims
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1. A core shell polymer comprising (i) a core comprising a polymer having a Tg in the range of from −
- 15 to 35°
C., which polymer is formed from a monomer mixture comprising at least one conjugated diene monomer and (ii) a shell comprising a polymer having a Tg in the range of from 40 to 180°
C., which polymer is formed from a monomer mixture comprising at least one aromatic vinyl monomer, wherein the gel content of the core polymer is below 62%. - View Dependent Claims (2, 3, 4, 5, 6)
- 15 to 35°
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7. A coating composition comprising a core shell polymer and an aqueous medium, which core shell polymer comprises (i) a core comprising a polymer having a Tg in the range of from −
- 15 to 35°
C., which polymer is formed from a monomer mixture comprising at least one conjugated diene monomer and (ii) a shell comprising a polymer having a Tg in the range of from 40 to 180°
C., which polymer is formed from a monomer mixture comprising at least one aromatic vinyl monomer, wherein the gel content of the core polymer is below 62%. - View Dependent Claims (8, 9, 10)
- 15 to 35°
Specification