Water-based adhesive formulation having enhanced characteristics

Details Water-based adhesive formulation having enhanced characteristics Water-based adhesive formulation having enhanced characteristics

1995-06-07

1996-06-04

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...

524155, 524168, 524169, 524284, 524292, 524296, 524297, 524303, 524311, 523415, 525123, 525127, 525438, 525454, 525455, 525457, 525458, C08J 300, C08K 320, C08L 7500, C08F28304

Patent

active

055233449

ABSTRACT:
Adhesive formulations are blends of aqueous polymer dispersions and a hydrophobic plasticizer. The blended dispersed polymers include at least one hard sulfonated polyester urethane, at least one soft non-sulfonated polyester urethane, and at least one polar non-polyurethane water-based polymer or copolymer. A high molecular weight elastomeric non-sulfonated polyurethane polymer and a crosslinker are optional further components in the blend. The formulations are useful as non-heat activating, one-component adhesives which generate excellent green strength, water and heat resistant bonds.

REFERENCES:
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patent: 4636546 (1987-01-01), Chao
patent: 4870129 (1989-09-01), Henning et al.
patent: 5334690 (1994-08-01), Schafheutle et al.
patent: 5373050 (1994-12-01), Morikawa et al.
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Derwent Abstract of: JP 6256749 (Sep. 1994).
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"New High Performance Urethane Dispersion for Adhesives" Technical Information Sheet by Zeneca Resins, Wilmington, MA, Jan. 1983.
"Neotac R-9320" Technical Information, ICI Resins US, Wilmington, MA, Bulletin R-9320, Revised Apr. 1992.
"Airflex 320 Base for Adhesives" by Air Products & Chemicals, Inc. 1989 (month unknown).
"Uniplex 108" by Uniex Chemicals Corp., Greensboro, N. C. 27406 (undated).
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Derwent abstract for: US 4644030 issued Feb. 1987.
Derwent abstract for: JP 63023972 published Feb. 1988.
"Polyurethane dispersions and emulsifiable polyisocyantes for water based adhesives," Holmbach, Bayer AG (Jul. 1990).

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