Emulsion polymers for use as a urea formaldehyde resin modifier

Details Emulsion polymers for use as a urea formaldehyde resin modifier Emulsion polymers for use as a urea formaldehyde resin modifier

1993-05-28

1994-08-02

Michl, Paul R.

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...

524 6, 524 7, 524216, 525239, 525518, 525519, 525509, 525154, 428147, 428278, 428526, C08J 300, C08K 300, C08L 6100

Patent

active

053346483

ABSTRACT:
Emulsion copolymers, for use as urea formaldehyde resin modifiers, are formed from vinyl chloride monomers, softening monomers, and functional monomers. The copolymer when blended with formaldehyde resins and used as a binder yields improved wet and dry tensile strength and better tear resistance. These binders are particularly useful as glass mat binders for the production of roofing shingles.

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