Fatty segmented polyester elastomers

Details Fatty segmented polyester elastomers Fatty segmented polyester elastomers

1984-12-04

1986-04-15

Phynes, Lucille M.

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

Synthetic resins

From carboxylic acid or derivative thereof

5254445, 528300, 528301, C08G 6348

Patent

active

045828954

ABSTRACT:
Fatty, segmented polyester elastomers are provided which are prepared from a mixture having a molar ratio of aromatic to fatty reactants of less than 4:1 and a molar ratio of short-chain diol to long-chain poly(ether) diol reactants of less than 49:1. These elastomers are useful as hot melt adhesives having excellent properties including resistance to embrittlement at low temperatures.

REFERENCES:
patent: Re31270 (1983-06-01), Tung
patent: 3383343 (1968-05-01), Mohajer et al.
patent: 3954689 (1976-05-01), Hoeschele
patent: 4254001 (1981-03-01), Tung
patent: 4264761 (1981-04-01), McGirk

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