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...
Patent
1992-12-07
1994-07-26
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...
524432, 524433, 524552, C08L 910, C08K 536
Patent
active
053327713
ABSTRACT:
An adhesive composition resistant to elevated temperature and particularly suitable for bonding to a substrate a composite structure thermoformable at a high temperature is an aqueous dispersion containing as its main components a copolymer of 2-chloro-1,3-butadiene with 2,3-dichloro-1,3-butadiene made at a temperature of at most 35.degree. C., preferably at most 25.degree. C., a rosin ester, and zinc oxide or magnesium oxide. The solids content of the adhesive composition is about 40-65 weight percent, preferably 50-60 weight percent. The composition may also contain, and usually does contain, further additives such as, for example, stabilizers, antioxidants, surfactants, and gum rosin esters.
REFERENCES:
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patent: 4029625 (1977-06-01), Denda et al.
patent: 4042554 (1977-08-01), Poskitt
patent: 4130528 (1978-12-01), Chen
patent: 4463110 (1984-07-01), Perlinski et al.
The Structure of Neoprene. VIII. Effect of Polymerization Temperature on Polymer Properties by J. T. Maynard and W. E. Mochel--Journal of Polymer Science, vol. XVIII, pp. 227-234 (1955).
Cain Edward
E. I. Du Pont de Nemours and Company
Michl Paul R.
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