Microwave energy sensitizing concentrate

Details Microwave energy sensitizing concentrate Microwave energy sensitizing concentrate

1979-09-04

1982-11-23

Jacobs, Lewis T.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524247, 524249, 524368, 524376, 524377, 524388, 524505, C08L 2510

Patent

active

043606075

ABSTRACT:
A composition of matter suitable for sensitizing thermoplastic compositions to the heating effects of microwave energy in which the components of the composition are (1) an alcohol amine or derivative thereof; (2) a simple or polymeric alkylene glycol or derivative thereof; (3) silica; and (4) optionally, a plastomer that is a normally solid linear or radial teleblock copolymer derived from butadiene and styrene. A method for preparing this composition as a dry, free-flowing powder by preparing a liquid mixture of the polymeric alkylene glycol or derivative and the alcohol amine or derivative which mixture is then charged into a premixed combination of granulated plastomer, if used, and silica. A method for preparing flow molding compounds by admixing a non-polar thermoplastic with a sufficient amount of the sensitizer composition to provide microwave energy sensitivity. Subjecting the flow molding composition, in a mold, to microwave energy thereby producing a flow molded composition.

REFERENCES:
patent: 3371130 (1968-02-01), Seifert et al.
patent: 3408320 (1968-10-01), Brucksch
patent: 3542904 (1970-11-01), Weitzel et al.
patent: 3624189 (1971-11-01), Goldman
patent: 3625915 (1971-12-01), Gubler et al.
patent: 3823109 (1974-07-01), Middlebrook
patent: 3826776 (1974-07-01), Wright
Rubber Chemistry and Technology; Mar. 1971; vol. 44, No. 1, pp. 294-306.

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