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1.发明授权Rigid phenolic foams suitable for use as non flammable insulating material 失效适用于非易燃绝缘材料的RIGID PHENOLIC FOAMS
公开(公告)号：US3766100A
公开(公告)日：1973-10-16
申请号：US3766100D
申请日：1971-05-07
Applicant: TEXACO AG
Inventor： MEYER STOLL H , BERNDT H
CPC classification number: C08J9/04 , C08J9/0066 , C08J2361/10 , Y10S260/24 , Y10S264/02
Abstract: NON-FLAMMABLE, RIGID, FOAMED PHENOL-FORMALDEHYDE RESIN COMPOSITIONS ARE PREPARED BY FIRST FORMING A MIXTURE OF A PHENOL-FORMALDEHYDE RESOL SOLUTION, WATER GLASS AND A FOAMING OR EXPANDING AGENT, AND THEN ADDING AN ACID CURING AGENT TO INITIATE THE FOAMING AND CURING REACTIONS. SUCH COMPOSITIONS ARE USEFUL AS INSULATION MATERIALS, AS STRUCTURAL ELEMENTS, ETC.
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