Paintbrush embedment compound and paintbrush construction and me

Details Paintbrush embedment compound and paintbrush construction and me Paintbrush embedment compound and paintbrush construction and me

1983-03-04

1985-07-02

Cockeram, Herbert S.

Brushing, scrubbing, and general cleaning

Implements

Brush or broom

156 72, 156293, 156305, 300 21, 528 65, 528 67, C08G 1848, C08G 1842, A46B 100, A46D 100

Patent

active

045258902

ABSTRACT:
An embedment compound for a paintbrush or the like, together with a paintbrush construction and method of manufacture embodying the improved embedment compound. The embedment compound is a polyurethane composition having a crosslink density sufficient to render such compound acceptably resistant to all paint solvents.
For example, a typical embodiment composition comprises a blend of Mondur MR with a prepolymer prepared from Pluracol TP-440 and Isonate 143L, and the blend cured at 100.degree. C. overnight.

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Moore-Physical Chemistry, 4th Ed., Longmans Green (London) 1963, pp. 228-230.
Cluff et al., vol. XLV, Issue 146, Aug. 1960, pp. 341-345.
Hepburn-Polyurethane Elastomers, Applied Science Publ. (London) 1982, pp. 27, 28, 34-46, 48, 76-80.
Saunders et al., Polyurethanes Part II, Interscience (N.Y.) 1964, pp. 299-304, 307-308, 333, 335-338, 341, 344-347, p. 653.
Wright et al., Solid Polyurethane Elastomers, Maclaren & Sons, (London), pp. 61, 247-248, 250-251.

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