Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1989-11-14
1991-01-15
Kight, III, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
528274, 5282955, 528300, 5283081, 525437, 525440, 524 77, C08G 6302
Patent
active
049855352
ABSTRACT:
A moisture-curable hot-melt adhesive composition comprising a reaction product obtainable by reacting (A) a mixture of (a) a high molecular weight thermoplastic polyester component predominantly composed of a hydroxy-terminated high molecular weight polyester containing a hydrocarbon chain with a molecular weight of 600 to 6,000 and having a molecular weight of 8,000 to 25,000 and (b) a low molecular weight polyol having a molecular weight of not more than 5,000 with (B) a polyisocyanate compound in an NCO/OH ratio of 1.4 through 3.
This moisture-curable hot-melt adhesive composition is useful for the adhesion at a low temperature, and shows an excellent heat resistance and initial physical properties.
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Sugimori Masaru
Takada Masaharu
Acquah Sam A.
Kight III John
Sunstar Engineering Inc.
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