Hot melt adhesive compositions

Details Hot melt adhesive compositions Hot melt adhesive compositions

1984-01-09

1985-10-22

Phynes, Lucille M.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

524600, 524606, 525 50, 5254445, C08G 6949, C08F28304

Patent

active

045489963

ABSTRACT:
Crystallizable hot melt adhesive compositions comprising block copolyesteramides and alkali metal carboxylates. The block copolyesteramides comprise hard or crystalline polyester blocks and soft or amorphous polyamide blocks in the weight ratio of 2:3 to 4:1. The alkali metal carboxylates provide a concentration of alkali metal cation in the range of 0.1 to 6 meq per 100 parts by weight of copolyesteramide. The hot melt adhesive compositions are useful for bonding plastic parts to form plastic structures which are relatively free of bond line distortion.

REFERENCES:
patent: 3634543 (1972-01-01), Sherman
patent: 3645932 (1972-02-01), Harrison et al.
patent: 3650999 (1972-03-01), Martins et al.
patent: 3755221 (1973-08-01), Hitch
patent: 4130603 (1978-12-01), Tanaka et al.
patent: 4351757 (1982-09-01), Hoeschele

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