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公开(公告)号：EP0118942A3
公开(公告)日：1986-09-10
申请号：EP84200203
申请日：1984-02-14
申请人： SPERLING, Bent Pagh
CPC分类号： C04B16/06 , C04B20/10 , C08J5/06 , D01F8/04 , D01F8/06 , Y10T428/2927 , Y10T428/2929 , Y10T428/2933
摘要： For reinforcing of forming materials of the cold setting type such as concrete or various cross linking plastic materials, solid or foamed, is provided a thermoplastic fibre material, the fibres of which have a surface layer of mineral particles which are partly and only partly embedded in the thermoplastic fibre material, to which the particles are firmly weld bonded, such that the exposed outer particle surfaces are firmly bondable to the forming material. Hereby the mineral particles will form a rigid connection between the forming material and a central fibre core or layer of high tensile strength, whereby the thermoplastic fibres are effectively surface bonded to the forming material so as to show a high reinforcing effect.
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2.发明公开
公开(公告)号：EP0141418A3
公开(公告)日：1987-01-21
申请号：EP84113352
申请日：1984-11-06
发明人： Okada, Fujio , Ohta, Toshihiko
CPC分类号： D01F6/04 , B29C43/24 , B29C55/18 , B29C55/30 , B29D7/00 , B29K2023/00 , B29K2023/06 , B29K2105/0061 , B29K2105/0073 , B29K2995/0041 , B29K2995/0088 , C08J5/18 , D01D5/00 , D01D5/426
摘要： A process for producing a drawn product of a crystalline polymer having high tenacity and high modulus, which comprises compressing a gel-like material prepared from a solution of a crystalline polymer in a solvent (i.e. a gel-like sheet material (A) consisting of gel-like particles of a crystalline polymer and a solvent which is prepared by cooling a solution of a crystalline polymer in a solvent, or a gel-like film material (B) which is prepared by casting a solution of a crystalline polymer in a solventl at a temperature lowerthan the temperature at which the gel-like material is dissolved, whereby removing a part of the solvent contained in the gel-like material, and drawing the compressed material, preferably using a drawing die. The drawn product is particularly useful as a tension member for optical fiber cable.
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公开(公告)号：EP0144793A3
公开(公告)日：1985-09-11
申请号：EP84113512
申请日：1984-11-09
申请人： ALLIED CORPORATION
摘要： Polyacrylonitrile (PAN) fibers are prepared by forming a 2-15 weight % solution of PAN of M w at least 500,000, extruding, cooling to below the gel temperature, extracting and drying. At least one of the gel fiber, the fiber containing extraction solvent and the dried gel is stretched. The product PAN fibers have a M w at least 500,000 (e.g. 1,000,000-4,000,000 or 1,500,000-2,500,000), a tenacity at least 5 g/den (e.g., at least 7 g/den) and a secant modulus at least 100 g/den (e.g. at least 125 g/den).
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4.发明公开Methods of forming ceramic fibers and dual ceramic/non-ceramic fibers, and ceramic fibers of circular and non-circular cross-section 失效形成陶瓷纤维和双陶瓷/非陶瓷纤维的方法和圆形和非圆形交叉部分的陶瓷纤维
公开(公告)号：EP0276079A3
公开(公告)日：1988-08-10
申请号：EP88300252
申请日：1988-01-13
申请人： CLEMSON UNIVERSITY
CPC分类号： C04B35/62231 , C04B41/4584 , D01F9/08 , Y10S264/19 , Y10T428/2929 , Y10T428/2933 , Y10T428/2935 , Y10T428/2971
摘要： C-shaped carbon or polymeric fibers, e.g. melt spun from mesophase pitch, are used as micro-molds to form nested dual fibers comprising the said carbon or polymer fibers and ceramic fibers. By wetting the shaped fibers in a wet chemical precursor for the ceramic, and subsequently heat treating in an oxygen-free environment, ceramic fibers of various compositions can be formed in the fibers used as micro-molds, thus for instance yielding carbon-ceramic nested fibers, in which the ceramic fibers are formed with non-circular transverse cross-sectional configurations. The fibers used as micro-molds can be removed, leaving only the ceramic fibers, by burning away the non-ceramic fibers in an oxygen-containing environment or by mechanically stripping them from the ceramic fibers.
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5.发明公开Production of stretched polymeric material having high strength and high modulus 失效生产具有高强度和高模量的拉伸聚合材料
公开(公告)号：EP0139141A3
公开(公告)日：1987-01-28
申请号：EP84109693
申请日：1984-08-14
CPC分类号： D01D5/00 , B29C47/0004 , B29C47/0011 , B29C47/0014 , B29C47/0021 , B29C47/0057 , B29K2105/101 , B29L2007/008 , B29L2031/731 , C08J5/18
摘要： A method for preparing a stretched polymeric material of high strength and high modulus which comprises shaping a dilute solution of a synthetic polymer having an average molecular weight of not less than 3 x 10 5 , followed by cooling to make a gel-like filament or film, and stretching the resultant gel-like filament or film at a high stretch ratio, characterized in that a solution or dispersion of (a) the gel-like globules of said synthetic polymer having the solvent occluded therein or (b) the fine powders of said synthetic polymer having an average particle weight of not more than 5 x 10 -5 mg per particle in a solvent is used as or for preparation of said polymer solution to be shaped.
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6.发明公开Wholly aromatic polyamide fibers and composite fibers, process for productiion thereof and use thereof 失效单独的芳族聚酰胺纤维和复合纤维，其生产方法及其用途
公开(公告)号：EP0200472A3
公开(公告)日：1988-01-27
申请号：EP86303073
申请日：1986-04-23
申请人： TEIJIN LIMITED
发明人： Norota, Susumu
CPC分类号： D01F8/12 , D01D5/00 , D01D5/32 , D01F6/605 , Y10T428/2913 , Y10T428/2931 , Y10T428/2973
摘要： A stretchable wholly aromatic polyamide fiber which (A) is composed of a wholly aromatic polyamide containing at least 85 mole%, based on the entire recurring units, of m-phenylene isophthalamide units as a main component, (B) does not substantially contain an aprotic polar solvent, (C) has an average denier size of 50 to 50,000, (D) when stretched to two times at the glass transition temperature of the wholly aromatic polyamide, has a maximum heat shrinkage under a fixed load of at least 30%. A stretched wholly aromatic polyamide fiber which has the same properties with (A), (B) and (C), and (D) has a maximum heat shrinkage under a fixed load of at least 20% and (E) is substantially amorphous. The present invention provides a stretchable and stretched wholly aromatic polyamide composite fiber containing an inorganic pieces and processes for preparing the above fibers.
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7.发明公开
公开(公告)号：EP0187974A3
公开(公告)日：1988-01-07
申请号：EP85116065
申请日：1985-12-17
申请人： ALLIED CORPORATION
CPC分类号： D01F6/04 , B29C47/0004 , B29C47/0014 , B29C47/0021 , B29K2023/06 , B29K2105/0061 , B29K2223/06 , B29K2995/0088 , C08J5/18 , C08J2323/06 , D01D5/00 , D07B1/02 , D07B1/025 , D07B2205/2014 , D10B2321/0211 , Y10T428/2913 , Y10T428/2967 , Y10T428/31855 , D07B2801/10
摘要： Solutions of intermediate molecular weight polymers from about 200,000 to about 4,000,000, such as polyethylene, in a relatively non-volatile solvent are extruded through an aperature at constant concentration and thereafter stretched at a ratio of at least about 3:1 prior to cooling to form a first gel. The first gels are extracted with a volatile solvent to form a second gel, and the second gel is dried to form a low porosity xerogel. Stretching occurs with any one or more of the first gel, second gel or xerogel. The polyethylene products produced by our process include products having a molecular weight between about 200,000 and about 4,000,000 a tenacity of at least about 13 grams/denier, a modulus of at least about 350 gram/denier, a porosity of less than 10% by volume, a crystalline orientation function of at least about 0.95, and a main melting temperature of at feast about 140°C.
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