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특허 상세정보

Thermosetting plastic foams and methods of production thereof using adhesion additives

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B32B-003/26    B32B-027/00    B32B-009/00   
미국특허분류(USC) 428/304.4; 428/314.4; 428/318.4; 428/318.6; 428/319.3; 428/319.7
출원번호 US-0987693 (2001-11-15)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Nixon &
인용정보 피인용 횟수 : 2  인용 특허 : 62
초록

A rigid closed cell polyisocyanate-based foams is created by reacting at least one organic polyisocyanate with compounds having at least two active hydrogen atoms in the presence of an n-pentane blowing agent. When the foam is formed into a laminated board with facers, the foam formulation includes a sufficient amount of a common blend of cleaning solvent chemicals to cause a noticeable improvement in facer adhesion. The chemicals used to improve facer adhesion are a standard blend of industrial cleaning solvents called “Di-Basic Esters” or DBE. The actu...

대표
청구항

1. A laminated foam board comprising:a closed-cell foam core formed from a polyurethane modified polyisocyanurate foam formulation including a mixture of the methyl esters of glutaric, succinic, and adipic acid; two facers disposed on opposing board flat surface of the foam core, each of the two facers being one of a glass reinforced facer and a coated glass facer; the bonding strengths of each of the facers to the foam core being greater than had the mixture not been added to the foam formulation. 2. The article of claim 1, wherein said mixture comprise...

이 특허에 인용된 특허 (62)

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