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US 10,611,886 B2Granted
Anti-agglomerants for the rubber industry
AssigneeArlanxeo Singapore Pte. Ltd.
InventorsDavid Thompson, Clinton Lund
Life of this patent
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Abstract
The invention relates to a method to reduce or prevent agglomeration of rubber particles in aqueous media by LCST compounds and elastomers obtained thereby. The invention further relates to elastomer products comprising the same or derived therefrom.
Claims21
An elastomer composition comprising:
- at least 96.0 wt. % of an elastomer;
- at most 3.0 wt. % of salts of metal ions;
- and
- 1 ppm to 5,000 ppm of at least one Lower Critical Solution Temperature (LCST) compound.
1 more element
An elastomer composition comprising:
- I) 100 parts by weight of an elastomer;
- II) 0.0001 to 0.5 parts by weight of at least one Lower Critical Solution Temperature (LCST) compound;
- III) no or 0.0001 to 3.0 parts by weight of salts of metal ions;
- IV) no or 0.005 to 0.3 parts by weight of antioxidants;
- and
- V) 0.005 to 1.5 parts by weight of volatiles having a boiling point at standard pressure of 200° C. or less.
3 more elements
An elastomer composition comprising:
- an elastomer comprising repeating units derived from at least one isoolefin and at least one multiolefin;
- salts of metal ions;
- and
- at least one Lower Critical Solution Temperature (LCST) compound.
1 more element
Dependencies are inferred from the claim text.