公开(公告)号：DE3678097D1

公开(公告)日：1991-04-18

申请号：DE3678097

申请日：1986-09-26

Applicant: BASF AG

Inventor： WOERNER FRANK PETER DR ,  NEUMANN PETER DR ,  MAHNKE HARALD DR ,  LAMPRECHT JOSEF DR ,  HORN DIETER DR ,  TURZNIK GERHARD DR ,  KRAUS FRIEDRICH DR ,  KAEPPEL HANSHELMUT ,  HEIM EDUARD

IPC: C08J9/04 ,  C08J9/00 ,  C08J9/14 ,  C08L61/28

公开(公告)号：DE3534738A1

公开(公告)日：1987-04-09

申请号：DE3534738

申请日：1985-09-28

Applicant: BASF AG

Inventor： WOERNER FRANK PETER DR ,  NEUMANN PETER DR ,  MAHNKE HARALD DR ,  LAMPRECHT JOSEF DR ,  HORN DIETER DR ,  TURZNIK GERHARD DR ,  KRAUS FRIEDRICH DR ,  KAEPPEL HANSHELMUT ,  HEIM EDUARD

IPC: C08J9/04 ,  C08J9/00 ,  C08J9/14 ,  C08L61/28 ,  C08J3/24 ,  C08K3/32 ,  C08K3/38 ,  C08K5/09

公开(公告)号：AT61617T

公开(公告)日：1991-03-15

申请号：AT86113251

申请日：1986-09-26

Applicant: BASF AG

Inventor： WOERNER FRANK PETER DR ,  NEUMANN PETER DR ,  MAHNKE HARALD DR ,  LAMPRECHT JOSEF DR ,  HORN DIETER DR ,  TURZNIK GERHARD DR ,  KRAUS FRIEDRICH DR ,  KAEPPEL HANSHELMUT ,  HEIM EDUARD

IPC: C08J9/04 ,  C08J9/00 ,  C08J9/14 ,  C08L61/28

公开(公告)号：DE3037682A1

公开(公告)日：1982-05-19

申请号：DE3037682

申请日：1980-10-04

Applicant: BASF AG

Inventor： SCHLEMMER LOTHAR ING GRAD ,  HEIM EDUARD ,  BLECKMANN GERHARD ING GRAD ,  BERBNER HEINZ ING GRAD ,  KETTERER PETER DIPL ING

IPC: C08J9/14 ,  C08L61/28 ,  C08J5/02 ,  C08J9/04

Abstract: In the parent patent an elastic melamine-HCHO resin foam is prepd. by foaming an aq. soln. or dispersion contg. a melamine-HCHO prepolymer, an emulsifier, a volatile blowing agent, a hardener, and opt. other conventional additives and then hardening. In this addn., the aq. soln. or dispersion is prepd. continuously in a mixer with a pre-mixing zone (A), an intensive mixing zone (B), a kneading zone (C) and a take-off zone (D). A melamine-HCHO prepolymer powder is fed separately to (A) and then 70-98% of the total amt. of water. in (B) the prepolymer and water are mixed and at the end of the zone, the liq. blowing agent and a soln. of the hardener and emulsifier opt. with the other additives in the rest of the water are added separately. The additives are mixed with the compsn. in (C). The take-off pressure in (D) is 1.1-5.0 bar. The temp. of the compsn. in zone (A) is not greater than 30 deg.C and in the other zones not greater than 25 deg.C. The process provides a homogeneous mixt. for foaming.