Acrylate or methacrylate-ester-modified organopolysiloxane mixtu

Details Acrylate or methacrylate-ester-modified organopolysiloxane mixtu Acrylate or methacrylate-ester-modified organopolysiloxane mixtu

1985-07-15

1987-07-07

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...

522 99, 525479, 528 26, 528 32, 528 33, C08L 8307, C08F23008

Patent

active

046788468

ABSTRACT:
Acrylate or methacrylate ester modified organopolysiloxane mixtures comprising essentially equilibrated organpolysiloxanes with, on the average, more than 25 to fewer than 200 silicon atoms and additionally containing 2 to 30 weight percent of organopolysiloxanes with, on the average, 2 to 25 silicon atoms, and 2 to 30 weight percent of organopolysiloxanes with, on the average, 200 to 2,000 silicon atoms, as well as processes for the preparation of mixtures of modified organopolysiloxanes of this composition. The inventive acrylate or methacrylate ester modified organopolysiloxane mixtures have excellent adhesion to metallic substrates and their surfaces exhibit good abhesive properties towards adhesives.

REFERENCES:
patent: 3577264 (1971-05-01), Nordstrom
patent: 4201808 (1980-05-01), Cully et al.
patent: 4301268 (1981-11-01), Kropac
patent: 4477548 (1984-10-01), Harasta et al.

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