Polyols and polyurethanes, polyurethaneforms using the same

Details Polyols and polyurethanes, polyurethaneforms using the same Polyols and polyurethanes, polyurethaneforms using the same

2005-10-10

2011-10-04

Seidleck, James (Department: 1765)

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

Synthetic resins

Process of treating scrap or waste product containing solid...

C521S040000, C521S040500, C521S048500, C521S049000, C521S049800, C528S074500, C528S272000, C528S295500, C528S308200, C528S332000, C528S335000, C528S480000, C528S486000, C528S495000

Reexamination Certificate

active

08030364

ABSTRACT:
The present invention relates to a preparing method of polyols, polyurethane and polyurethane foams using the same. Polyester, polyamide and polyurethane are depolymerized with the polymeric fatty acid mono(polyhydroxyl alcohol)ide composition and additionally reacted with the polybasic acid, polyol and amine to prepare acid value of 05-˜1 mgKOH/g, hydroxyl value of 10˜500 mgKOH/g, and amine value of 1˜50 mgKOH/g in polyol. This is to transform the double bond of the unsaturated fatty acid from the component of the oils and fats into a conjugated double bond to induce the Diels-Alder reaction, and with the improvement of the reactivity to form a stable combination in the chemical structure to prevent the separate leaching appearance of fat and fatty oil from the final product. In particular, by recycling waste edible oil and waste synthetic resin that can be employed as industrially useful material, the invention provides environment advantages.

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Machine translation of JP 2003-112153.

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