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公开(公告)号：JPH10168661A
公开(公告)日：1998-06-23
申请号：JP32201196
申请日：1996-12-02
Applicant: TORAY INDUSTRIES , TORAY MONOFILAMENT CO
Inventor： MASUDA TOYOHIKO , MAEDA YUHEI , HORII KEI , KINOSHITA AKIRA , YAMADA HIROTOKU , ASAI CHO
Abstract: PROBLEM TO BE SOLVED: To obtain a polyester composition excellent in hydrolysis resistance and dry heat resistance, and suitable for a constituting material of a dryer canvas for a paper making, a paper making wire (a net for the paper making), a net converter for a heat adhesion process of a nonwoven fabric, a conveyer belt in a dryer or a heat treating machine and various filters, and various industrial formed materials, and a polyester monofilmanent consisting of the polyester composition. SOLUTION: The polyester composition, the polyester monofilament consisting of the polyester composition of the industrial woven fabric using the monofilament at least in part such as a dryer canvas for a paper making, etc., contain (A) 70-99.8wt.% polyester and (B) 0.2-30wt.% styrene-based polymer having a syndiotactic structure, etc., also (C) 0.04-1.5 pt.wt. un-reaceted state monocarbodiimide compound and (D) 0.05-1.5 pt.wt. polycarbodiimide compound based on 100 pts.wt. total amount of the components (A) and (B), and has g carboxyl terminal group concentration.
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公开(公告)号：JPH09255853A
公开(公告)日：1997-09-30
申请号：JP7020196
申请日：1996-03-26
Applicant: TORAY INDUSTRIES , TORAY MONOFILAMENT CO
Inventor： MASUDA TOYOHIKO , MAEDA YUHEI , HORII KEI , KINOSHITA AKIRA
Abstract: PROBLEM TO BE SOLVED: To obtain a polyester composition which comprises a polyester bearing chain terminal groups of a specific structure and a carbodiimide unreactive with the polyester in an specific proportion and is excellent in resistance to hydrolysis and useful for a variety of industrial parts, clothing, magnetic tapes and the like. SOLUTION: (A) A polyester bearing more than 5 equivalents/10 g of at least one chain-terminal group of formulas I and II (R is H, N-methylene- phthalimide, N-methylene-alkyl-substituted phthalimide, a 1-20C alkyl, phenyl; X is H, a reaction residue of carbodiimide) contains (B) 0.005-1.5wt.% of an unreactive carbodiimide (preferably N,N'-di-2,6-diisopropylphenylcarbodiimide). The component A is suitably polyethylene terephthalate or polybutylene terephthalate. Polyester monofilaments can be produced from this polyester composition and woven fabrics for industrial purposes are produced therefrom.
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公开(公告)号：JPH0949121A
公开(公告)日：1997-02-18
申请号：JP5177496
申请日：1996-03-08
Applicant: TORAY INDUSTRIES , TORAY MONOFILAMENT CO
Inventor： MASUDA TOYOHIKO , MAEDA YUHEI , HORII KEI , IWAMA TADANORI
Abstract: PROBLEM TO BE SOLVED: To obtain both a polyester fiber having excellent stain-proofing properties and hydrolytic resistance and a required and sufficient strength as various industrial woven fabrics, etc., and a composition therefor. SOLUTION: This polyester composition comprises a polymer component containing 99.9-70wt.% polyester having g terminal carboxyl group concentration and 0.1-30wt.% copolymer of propylene and vinylidene fluoride and further contains 0.005-1.5wt.% carbodiimide compound in an unreacted state therein. Furthermore, the polyester monofilament or multifilament yarn or industrial woven fabric such as a canvas for a papermaking dryer, a papermaking wire, a filter or a conveyor net used in a bonding process for heat bonding a nonwoven fabric using the monofilament is composed of the polyester composition comprising the polymer component.
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公开(公告)号：JPS62297323A
公开(公告)日：1987-12-24
申请号：JP14050886
申请日：1986-06-17
Applicant: TORAY INDUSTRIES
Inventor： USUI AKIRA , KONNO YOSHIHIRO , HORII KEI
IPC: C08G63/68 , C08G63/183 , C08G63/692 , C08G63/78 , C08G63/83 , D01F6/62
Abstract: PURPOSE:To obtain the titled polyester which is suitable for blended yarn fabric with cotton, useful as clothes and working clothes and has improved flame retardance and feeling, by blending polyester with a specific phosphorus compound and a metallic compound of Mg, Li or Ca. CONSTITUTION:(A) A raw material component having a repeating constituent unit comprising >=70mol% ethylene terephthalate is reacted and, at the early stage of polymerization, (B) 0.8-3.0wt% based on the component A of a phosphorus compound [e.g. (2-carboxyethyl)methylphosphinic acid, etc.] shown by formula I[R1 and R2 are H, 1-18C alkyl, etc.; R3 is aryl, etc.; A is (CnH2n) and n is 1-4] and (C) one or more metallic compounds of Mg, Li and Ca are added to the component A in such a way that correlation shown by formula II(P is amount of the component B added based on acid component; M is amount of the metallic element added based on the acid component) is satisfied and polycondensation is carried out to give the aimed polyester.
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公开(公告)号：JPH11189921A
公开(公告)日：1999-07-13
申请号：JP35333797
申请日：1997-12-22
Applicant: TORAY INDUSTRIES , TORAY MONOFILAMENT CO
Inventor： MASUDA TOYOHIKO , HORII KEI , YAMAMOTO TSUTOMU
Abstract: PROBLEM TO BE SOLVED: To obtain a polyamide fiber to be used for a net cloth for culturing a seaweed such as laver or Nemacystus decipiens, having excellent durability, excellent in adhesivity of spores of a seaweed represented by laver and ecesic property of the seaweed, and suitable for the use at a site where wave conditions are severe, and to prepare a net cloth using the polyamide fiber. SOLUTION: The present invention relates to the followings: (1) a polymer having a contact angle of
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Patent Agency Ranking
公开(公告)号：JPH10158483A
公开(公告)日：1998-06-16
申请号：JP32201496
申请日：1996-12-02
Applicant: TORAY INDUSTRIES , TORAY MONOFILAMENT CO
Inventor： MASUDA TOYOHIKO , MAEDA YUHEI , HORII KEI , KINOSHITA AKIRA , YAMADA HIROTOKU , ASAI CHO
IPC: C08L67/00 , C08K5/29 , C08L67/02 , D01F6/62 , D01F6/92 , D02G3/02 , D03D1/00 , D03D15/00 , D21F1/10 , D21F7/08
Abstract: PROBLEM TO BE SOLVED: To obtain a composition having excellent hydrolysis resistance and dry-heat resistance by forming a mixture comprising a polyester, an olefin polymer, a monocarbodiimide compound in an unreacted state and a polycarbodiimide compound and having a specified terminal carboxyl concentration. SOLUTION: A mixture is formed by mixing a polyester (A) such as polyethylene terephthalate having an intrinsic viscosity of 0.7 or above with a cycloolefin polymer (B) represented by the formula (wherein n is 0 or 1; m is 0 or a positive integer; q is 0 or 1; and R to R are each H, Cl, Br, a hydrocarbon group or the like) (e.g. bicyclo(2,2,1)hept-2-ene derivative), a monocarbodiimide compound (C) and a polycarbodiimide compound (D). This mixture is melt-kneaded to obtain a composition comprising 70-99.8wt.% component A, 0.2-30wt.% component B, 0.01-1.5 pts.wt., per 100 pts.wt. total of components A and B, component C and 0.05-1.5 pts.wt. component D and having a terminal carboxyl concentration of 10 equivalents/10 g or below.
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7.发明专利
公开(公告)号：JPH0874125A
公开(公告)日：1996-03-19
申请号：JP20484894
申请日：1994-08-30
Applicant: TORAY INDUSTRIES , TORAY MONOFILAMENT CO
Inventor： MASUDA TOYOHIKO , HORII KEI , IWAMA TADANORI
Abstract: PURPOSE: To obtain an electrically conductive polyester monofilament which has performance suitable for woven fabrics for industrial purposes, for example, a sieving filter for powdery materials such as wheat flour, drier belts on the production of sanitary products such as paper diapers or sanitary napkins or drier canvas for a paper-making machine. CONSTITUTION: This electrically conductive polyester monofilament comprises 4-15wt.% of a high-conductivity carbon black and 96-85wt.% of a polyester composition containing the followings (A) and (B):(A)30-90wt.% of a polyethylene terephthalate and (B) 70-10wt.% of a polyester copolymer containing 90-98wt.% of butylene terephthalate units and/or 10-2wt.% of dibutyl aliphatic dicarboxylate units.
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公开(公告)号：JPH06220719A
公开(公告)日：1994-08-09
申请号：JP1101793
申请日：1993-01-26
Applicant: TORAY INDUSTRIES
Inventor： MASUDA TOYOHIKO , MITSUYOSHI TAKEHIKO , HORII KEI
Abstract: PURPOSE:To obtain polyester monofilament, useful as an industrial material for nets for forming sheets of paper, filters, belt cloths, etc., and excellent in abrasion resistance by adding a polyolefinic thermoplastic elastomer containing a mineral oil to a polyester. CONSTITUTION:A polyolefinic thermoplastic elastomer containing 0.05-10wt.% mineral oil in an amount of 1-40wt.%, preferably 5-30wt.% is added to a polyester and the resultant mixture is then melt spun and drawn.
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公开(公告)号：JPH05302212A
公开(公告)日：1993-11-16
申请号：JP10768892
申请日：1992-04-27
Applicant: TORAY INDUSTRIES
Inventor： MASUDA TOYOHIKO , HORII KEI , MITSUYOSHI TAKEHIKO
IPC: D01F6/62 , C08G63/685 , D01F6/92 , D21F7/08
Abstract: PURPOSE:To obtain the polyester monofilament for dryer canvas for paper-making process resistant to hydrolysis and staining by mixing a specific polymonochlorotrifluoroethylene with a carbodiimide, continuously adding the mixture to a polyester and spinning and drawing the product. CONSTITUTION:A polymonochlorotrifluoroethylene having an average molecular weight of 400-1,500 is dissolved and mixed with a carbodiimide compound (e.g. N,N'-di-2,6-diisopropylphenylcarbodiimide). The obtained liquid composition is continuously supplied to a polyester chip at the inlet port of an extruder and the mixture is spun in molten state through a spinneret 1 having almost rectangular form and subjected to drawing and heat-setting to obtain the objective polyester monofilament having a terminal carboxyl group concentration of g of the polyester, containing 0.005-1.5wt.% of the carbodiimide compound in unreacted state and containing 0.1-10wt.% of polymonochlorotrifluoroethylene having an average molecular weight of 400-1,500.
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公开(公告)号：JPH11152622A
公开(公告)日：1999-06-08
申请号：JP31721297
申请日：1997-11-18
Applicant: TORAY INDUSTRIES , TORAY MONOFILAMENT CO
Inventor： MASUDA TOYOHIKO , HORII KEI , KINOSHITA AKIRA , SAKUGI AKIRA , KOBAYASHI TSUTOMU
Abstract: PROBLEM TO BE SOLVED: To obtain a polyester monofilament exhibiting excellent stain-proofing property against oily tacky materials, having excellent durability, flexing abrasion resistance and tenacity and elongation characteristics and suitable e.g. as an industrial fabric such as a paper machine wire by using a polymer having a contact angle smaller than a prescribed level as the constituent component of the monofilament. SOLUTION: This monofilament is composed of a polymer having a contact angle of
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