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    • 5. 发明专利
    • DE3711028A1
    • 1987-11-05
    • DE3711028
    • 1987-04-02
    • MITSUBISHI YUKA BADISCHE
    • ARAI MASAKAZUTANAKA MASAHIRO
    • B29C44/34B29C44/44B29C44/60C08J9/22B29C67/20
    • A method of molding pre-foamed synthetic resin particles is described, which comprises increasing the pressure in a mold cavity with a pressurized gas, charging the mold cavity with pre-foamed synthetic resin particles as they are compressed with a gas pressurized to a pressure higher than the pressure in the mold cavity and heating the charged pre-foamed synthetic resin particles with steam so that they are fused together or expanded and fused together to form a foamed molded article, wherein a pressure detector is provided in a conduit for conveying the pre-foamed synthetic resin particles into the mold cavity as they are carried by the pressurized gas or at an inlet portion of a charging port leading to the mold cavity, and the supply of pre-foamed synthetic resin particles into the mold cavity is stopped when the pressure detected by the detector exceeds the pressure in the mold cavity by a predetermined amount. A blow-filing gun apparatus suitable for use in the practice of the molding method is also described.
    • 6. 发明专利
    • DE69323103D1
    • 1999-03-04
    • DE69323103
    • 1993-03-10
    • MITSUBISHI YUKA BADISCHE
    • KATOH NAOYUKIICHIHASHI KENZOU
    • C04B24/26D06N7/00
    • A process for producing a carpet is disclosed, comprising laminating a backing material composition comprising 100 parts by weight, on a resin solid basis, of an aqueous emulsion of a resin having a glass transition point of not higher than 5 DEG C, from 120 to 400 parts by weight of hydraulic inorganic cement, and up to 600 parts by weight of a non-hydraulic inorganic filler on a carpeting surface base material and heating the laminate to harden and dry the backing material composition. A carpet in which a carpeting surface base material and a backing material (and a carpeting back base material, if used) are firmly and integrally bonded can easily be obtained. The carpet has excellent properties, such as flexibility (softness), dimensional stability (resistance to shrinkage), fit to a floor, and workability, in a good balance. Where a carpeting surface base material previously coated with a coating composition comprising a specific aqueous resin emulsion is used, a higher temperature can be applied in hardening and drying, which leads to increased productivity, and the resulting carpet has excellent pull strength of pile.