Low modulus thermoplastic elastomeric polyester-polysiloxane blo

Details Low modulus thermoplastic elastomeric polyester-polysiloxane blo Low modulus thermoplastic elastomeric polyester-polysiloxane blo

1985-06-03

1987-04-21

Briggs, Sr., Wilbert J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525446, 525474, C08G 6308, C08G 8100

Patent

active

046597867

ABSTRACT:
Polyester-polysiloxane block copolymers for dental uses are disclosed as low modulus thermoplastic elastomers. The copolymers comprise polycaprolactone residues and poly(dimethylsiloxane) .alpha.,.omega.-diol residues which are linked by ether bonds. The compounds exhibit the property of plasticity by heating and the property of original rubber elasticity by cooling again to room temperature.

REFERENCES:
patent: 4202807 (1980-05-01), Moretto et al.
patent: 4539379 (1985-09-01), Hallgren

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