Latex compositions containing ethylenically unsaturated...

Details Latex compositions containing ethylenically unsaturated... Latex compositions containing ethylenically unsaturated...

2005-05-24

2005-05-24

Reddick, Judy M. (Department: 1713)

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...

C524S394000, C524S397000, C524S399000, C524S400000, C524S832000, C524S833000

Reexamination Certificate

active

06897255

ABSTRACT:
Novel latex or emulsion compositions containing internally plasticizing and crosslinkable long-chain alkenol ester monomers are disclosed and claimed. Preferred embodiments include latex formed from acrylate or methacrylate esters of long-chain alkenols. A process for the synthesis of the latex composition is also disclosed, which involves (a) esterification of a long-chain alkenol with an ethylenically unsaturated carboxylic acid; (b) polymerization of the ethylenically unsaturated ester in an aqueous phase with at least one other copolymerizable monomer; and (b) blending of so formed polymer with at least one drier and a surfactant to form the novel latex or emulsion compositions. These compositions form films at low minimum film forming temperatures (MFT) ranging from −5 to 10° C. and cure to above ambient glass transition (Tg) polymers without the use of traditional organic cosolvents which contribute to environmental pollution via volatile organic compounds (VOCs) emissions. These compositions are therefore useful in waterborne coatings, contact and pressure sensitive adhesives, and inks.

REFERENCES:
patent: 3714100 (1973-01-01), Biale et al.
patent: 4356128 (1982-10-01), Rogier et al.
patent: 4540739 (1985-09-01), Midgley
patent: 4626582 (1986-12-01), Virnig et al.
patent: 4745213 (1988-05-01), Schlosser et al.

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