| 摘要 |
PCT No. PCT/FR84/00015 Sec. 371 Date Sep. 24, 1984 Sec. 102(e) Date Sep. 24, 1984 PCT Filed Jan. 23, 1984 PCT Pub. No. WO84/02914 PCT Pub. Date Aug. 2, 1984.Process for the preparation of cellular products and laminates based on anhydrous furan prepolymers which possess free OH groups, which is carried out at normal temperature using small amounts of silicon tetrachloride and/or phosphorus oxychloride as the crosslinking and expansion agent, characterised in that a combination of a furfuryl alcohol resin and/or a furfural/phenol (phenol and/or bisphenol A) resin with a bishydroxymethylfuran resin is used as the furan prepolymers, without the use of an acid, the silicon tetrachloride and/or phosphorus oxychloride being used in amounts of 0.1 to 5% by weight, based on the resin employed.
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