Heterogeneous vinyl acetate/ethylene dispersion

Details Heterogeneous vinyl acetate/ethylene dispersion Heterogeneous vinyl acetate/ethylene dispersion

1996-07-30

1998-05-05

Jagannathan, Vasu

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524503, 524556, 524561, 524563, 524803, 524822, 526330, 526331, 5263295, C08L 3104, C08F21808

Patent

active

057475784

ABSTRACT:
A copolymer in dispersion or redispersible powder form which is stabilized by a protective colloid and has a glass transition temperature of -40.degree. to 10.degree. C. and an ethylene content of at least 30% by weight, based on the total amount of monomers, with a heterogeneous build-up of the copolymer particles, including a first polymer phase, which includes vinyl acetate and >40% by weight of ethylene, based on the total amount of monomers in this phase, and a last copolymer phase, which includes vinyl acetate and 5 to 40% by weight of ethylene, based on the total amount of monomers in this phase, is suitable, for example, as a binder in building materials.

REFERENCES:
patent: 3661696 (1972-05-01), Knutson
patent: 3883489 (1975-05-01), Matschke et al.
patent: 4287329 (1981-09-01), Heimberg
Dr. J. Schulze, Burghausen D, "Redispersionspulver in Zement", TIZ Fachberichte, vol. 109, No. 9, 1985, pp. 698-703.

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