Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1981-07-17
1983-10-25
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...
525 59, C08L 8310
Patent
active
044120397
ABSTRACT:
A co-grafted polymer dispersion comprising blocks of an organopolysiloxane with OH functional groups, blocks of an ethylene/vinyl ester copolymer containing about 5 to 99% by weight of incorporated vinyl ester, and blocks of vinyl monomer units polymerized in the presence of mixtures of the organopolysiloxane and ethylene/vinyl ester copolymer, the organopolysiloxane and ethylene/vinyl ester copolymer blocks being linked via vinyl polymer bridges. The dispersions mixed with suitable catalysts, can cure under the influence of atmospheric moisture to elastic tack-free rubbers suitable as sealants.
REFERENCES:
patent: 3686356 (1972-08-01), Saam
patent: 3794694 (1974-02-01), Chadha
Alberts Heinrich
Friemann Hans
Mietzsch Fritz
Moretto Hans-Heinrich
Sattlegger Hans
Bayer Aktiengesellschaft
Briggs Sr. Wilbert J.
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