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公开(公告)号:DE2604544A1
公开(公告)日:1977-08-11
申请号:DE2604544
申请日:1976-02-06
Applicant: BASF AG
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公开(公告)号:DE2941598A1
公开(公告)日:1981-04-23
申请号:DE2941598
申请日:1979-10-13
Applicant: BASF AG
IPC: B32B27/08 , C08G63/672 , B32B27/32
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公开(公告)号:DE2448108A1
公开(公告)日:1976-04-22
申请号:DE2448108
申请日:1974-10-09
Applicant: BASF AG
Inventor: WURMB ROLF DIPL CHEM DR , KAISER GERHARD-DIETER ING GRAD , HEILIG EDWIN ING GRAD , WELZ MARTIN DIPL ING
Abstract: The purpose is to enable double-skinned walls to be erected, with considerable mass concentration in a single element, simultaneously providing a high degree of heat insulation. The panels, which also provide sound insulation, comprise one or more load bearing layers of a fibre-reinforced plastic, one or more heat-insulating layers of a foamed plastic, and two heavy sound-deadening covering layers of high density, coated on the outside with a thin layer of plastic. The high density layers may be made of lead foil, and the fibre-reinforced plastics may have long glass-fibre reinforcement. Bonding may be effected by a melting adhesive and by adhesion-effecting foil heated above its melting-point with pressure on both sides, and a strip of plastic protruding for sealing.
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公开(公告)号:DE2603765A1
公开(公告)日:1977-08-04
申请号:DE2603765
申请日:1976-01-31
Applicant: BASF AG
Abstract: A tube has its walls made up from layers of fibrous sheets impregnated with a thermoplastic (I). Pref. the (I) impregnated sheets are wound, at a temp. > m.pt. of (I), around an internal former as one or more overlapping layers, then compressed at 5-300N/cm using a tension tape made of heat-stable films. Opt. a preformed strip of hard foam is introduced between the layers and an endless glass fibre may be wound on simultaneously. The tubes are made quickly and easily and have good and uniform qualities esp. strength. Typical plastics are polyethylene, polypropylene, styrene (co)polymers, PVC etc, and the fabric is e.g. a mat, fleece, or web of glass-, C- plastics or asbestos-fibres coated with usual polymeric binders.
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公开(公告)号:DE2545700A1
公开(公告)日:1977-04-21
申请号:DE2545700
申请日:1975-10-11
Applicant: BASF AG
Inventor: WAGENKNECHT AXEL , PIRKER ALFRED DIPL ING , WELZ MARTIN DIPL ING
Abstract: Mfr. of a self-supporting, padded moulding with a load-bearing lamina of thermoplastics material, reinforced with long fibres, and a foamed, plastics coating comprises press-moulding both the load-bearing lamina and the soft-foam coating and laminating them together, in one single operation. Mouldings are used as light-wt. structural elements, e.g. in mfr. of motorcar roof linings. Good noise and heat insulating characteristics are obtd. The single-step process is economical. Bonding-together of the laminae is normally achieved without recourse to adhesives.
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公开(公告)号:DE2229129A1
公开(公告)日:1974-01-10
申请号:DE2229129
申请日:1972-06-15
Applicant: BASF AG
Inventor: DORRER HANS-DIETER DR , JUNG RUDOLF DR , STEIN DIETER DR , WELZ MARTIN DIPL ING
Abstract: In a transparent thermoplastics compsn. comprising 5-50 wt.% glass fibres or glass beads and 95-50% of a blend of >=2 compatible thermoplastics the wt. ratio of the thermoplastics components is adjusted so that the difference between the refractive index of the blend and that of the glass fibres is 0.004, pref. 0.002. Used e.g. in mfr. of prepregs for making transparent reinforced sheets. The blend may be PMMA + styrene-maleic anhydride copolymer.
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公开(公告)号:DE2844397A1
公开(公告)日:1980-04-30
申请号:DE2844397
申请日:1978-10-12
Applicant: BASF AG
Inventor: WELZ MARTIN DIPL ING , BOENECKE GUENTER ING GRAD , NEUBERG RAINER DIPL CHEM DR , SEILER ERHARD DIPL CHEM DR
Abstract: The invention concerns laminates comprising a filled polyolefin layer and a thermoplastic decorative layer, a process for the preparation of these laminates and the use of the laminates for the production of moldings. Between the outer, polyolefin, layer and the decorative layer the novel laminates contain an adhesion-providing layer comprising a fiber-blend web or fabric containing two or more fusible types of fibers, of which one type welds to one of the outer layers to give a good bond, and another type welds to the other outer layer. If one outer layer of the laminate is a polyolefin, one of the fibers of the web can be polypropylene, and if the other outer layer is PVC, one of the fibers can be PVC. The preferred embodiment is a laminate of polypropylene and PVC, with the web or fabric consisting of polypropylene fibers and PVC fibers.
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公开(公告)号:DE2534188A1
公开(公告)日:1977-02-24
申请号:DE2534188
申请日:1975-07-31
Applicant: BASF AG
Inventor: WURMB ROLF DIPL CHEM DR , WELZ MARTIN DIPL ING
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