中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

81 records (took 0.024 seconds)

    21.
    发明专利
    未知

    公开(公告)号：DE4221603A1

    公开(公告)日：1994-01-05

    申请号：DE4221603

    申请日：1992-07-01

    Applicant: BASF AG

    Inventor： TATZEL HERMANN ,  HAARDT UDO

    IPC: B29C44/00 ,  B29C44/34 ,  C08J9/22 ,  C08L23/02 ,  B29C67/20

    Abstract: Described is a method for the pressure treatment of thermoplastic-polymer pre-foamed particles by transferring the foam from a feed tank (8) to a pressure-treatment vessel (10) in which the foam is stored under an inorganic gas at a pressure between 0.5 and 5 bar and at a temperature between 10 and 100 DEG C until the pressure inside the foam cells has increased to a level above atmospheric pressure. The foam is transferred from the feed tank (8) to the pressure-treatment vessel (10) through a pressure lock (9) and the pressure in the pressure lock (9) is at least equal to the pressure in the pressure-treatment vessel (10).

    22.
    发明专利
    未知

    公开(公告)号：NO920295L

    公开(公告)日：1992-07-24

    申请号：NO920295

    申请日：1992-01-22

    Applicant: BASF AG

    Inventor： HAARDT UDO ,  SEILER ERHARD ,  TATZEL HERMANN ,  SCHWAGER HARALD ,  DOMAS FRIEDRICH

    IPC: B29C44/00 ,  B29L31/58 ,  B32B5/18 ,  B32B5/20 ,  B32B27/32 ,  B32B7/12

    Abstract: Shock-absorbing propylene polymer composite moulded articles containing …… a. a layer of thickness 0.5 to 10 mm, containing a propylene polymer of melting point 130 to 165 DEG C, … b. an intermediate layer of thickness 0.05 to 0.5 mm of a melt adhesive based on an olefin copolymer of melting point 90 to 140 DEG C, … c. a foam layer of thickness 3 to 200 mm having a density of 0.015 to 0.1 g/cm based on a propylene copolymer of melting point 125 to 155 DEG C, … d. an intermediate layer of thickness 0.05 to 0.5 mm of a melt adhesive based on an olefin copolymer of melting point 90 to 140 DEG C, … e. a layer of thickness 0.5 to 10 mm containing a propylene polymer of melting point 130 to 165 DEG C. …

    29.
    发明专利
    未知

    公开(公告)号：AT252094B

    公开(公告)日：1967-02-10

    申请号：AT506365

    申请日：1965-06-03

    Applicant: BASF AG

    Inventor： STASTNY FRITZ DR ,  GAETH RUDOLF DR ,  SCHMITT BERNHARD DR ,  HAARDT UDO

    IPC: C04B28/26 ,  C08J9/22 ,  C08J9/236

    Abstract: Heat-insulating compositions are made by mixing porous plastic particles with an inorganic binder consisting of a suspension of water-containing particles of alkali metal silicate and inorganic fillers in an aqueous solution of an alkali metal silicate, and solidifying at a temperature above >0 DEG C. but below that at which the plastic sinters. Solidification can be assisted by extracting water down to a content of 20%, by treatment with carbon dioxide, or by the application of pressure. The porous plastic may be polyurethane, polystyrene, copolymers of styrene and acrylonitrile, acrylic acid, or butadiene, vinyl chloride, or copolymers of vinyl chloride and vinylidene chloride. Flame retardants such as inorganic halogen compounds or mixtures of chloroparaffins and antimony trioxide may be included. The alkali metal silicate powder is preferably sodium silicate containing 16-20% water and having an Na2O/SiO2 ratio of 1:2.0 to 1:4.0. The solution is of 15-60 DEG Be1 concentration, and the total water content varies between 25 and 75% of the weight of the silicate. Magnesia, talc, calcium carbonate, powdered asbestos, glass, quartz, zinc carbonate, sodium silicofluoride, or silica gel can be used as fillers in the ratio of 1:1 to 4:1 relative to the anhydrous silicate.

    Production of insulating materials having low specific gravity
    30.
    发明专利
    Production of insulating materials having low specific gravity 未知

    公开(公告)号：GB1034088A

    公开(公告)日：1966-06-29

    申请号：GB2115865

    申请日：1965-05-19

    Applicant: BASF AG

    Inventor： STASTNY FRITZ ,  GAETH RUDOLPH ,  SCHMITT BERNHARD ,  HAARDT UDO

    IPC: C04B28/26 ,  C08J9/22 ,  C08J9/236

    Abstract: Heat-insulating compositions are made by mixing porous plastic particles with an inorganic binder consisting of a suspension of water-containing particles of alkali metal silicate and inorganic fillers in an aqueous solution of an alkali metal silicate, and solidifying at a temperature above >0 DEG C. but below that at which the plastic sinters. Solidification can be assisted by extracting water down to a content of 20%, by treatment with carbon dioxide, or by the application of pressure. The porous plastic may be polyurethane, polystyrene, copolymers of styrene and acrylonitrile, acrylic acid, or butadiene, vinyl chloride, or copolymers of vinyl chloride and vinylidene chloride. Flame retardants such as inorganic halogen compounds or mixtures of chloroparaffins and antimony trioxide may be included. The alkali metal silicate powder is preferably sodium silicate containing 16-20% water and having an Na2O/SiO2 ratio of 1:2.0 to 1:4.0. The solution is of 15-60 DEG Be1 concentration, and the total water content varies between 25 and 75% of the weight of the silicate. Magnesia, talc, calcium carbonate, powdered asbestos, glass, quartz, zinc carbonate, sodium silicofluoride, or silica gel can be used as fillers in the ratio of 1:1 to 4:1 relative to the anhydrous silicate.

Patent Agency Ranking