公开(公告)号：JPH07331038A

公开(公告)日：1995-12-19

申请号：JP12040094

申请日：1994-06-01

Applicant: TORAY INDUSTRIES

Inventor： SHIMIZU YUZO ,  AONO SHOJI ,  SUZUKI MASARU

IPC: C08J5/18 ,  C08K9/02 ,  C08K9/04 ,  C08L67/00 ,  C08L67/02 ,  C09C1/02

Abstract: PURPOSE:To obtain a modifier for polyester-based resins, composed of calcium carbonate powder whose surface is treated with a specific phosphorus compound, capable of providing a molding excellent in whiteness, hiding power and gloss property and useful for printing papers, X ray sensitizing papers, etc. CONSTITUTION:This modifier for polyester-based resin is composed of preferably 100-30000ppm of calcium carbonate whose surface is treated with one or more kinds of phosphorus compounds selected from a group consisting of phosphoric acid, phosphorous acid, phosphinic acid, phosphonic acid and =0.1wt.% based on calcium carbonate). Furthermore, the polyester composition is obtained by kneading 5-80wt.% of the modifier with a polyester by a bent type extruder.

公开(公告)号：JPH07133343A

公开(公告)日：1995-05-23

申请号：JP27984093

申请日：1993-11-09

Applicant: TORAY INDUSTRIES

Inventor： SHIMIZU YUZO ,  AONO SHOJI ,  SUZUKI MASARU

IPC: C08G63/672 ,  B32B27/36 ,  C08G63/66 ,  C08G63/688

Abstract: PURPOSE:To obtain a copolyester improved in water solubility and solvent resistance and having adhesiveness, antiblocking properties, and antistatic proper ties during travelling by selecting a copolyester having residues with specific metal salt groups and a specified mol.wt. distribution. CONSTITUTION:A copolyester is selected which has residues having alkali metal sulfonate groups, a number average mol.wt. of 2,000 or higher, and a content of of molecules with a mol.wt. of 1,000 or lower of 10wt.% or lower. Pref. the copolyester has a number average mol.wt. of 2,500 or higher, a content of molecules with a mol.wt. of 1,000 or lower of 8wt.% or lower, a content of molecules with a mol.wt. of 500 or lower of 6wt.% or lower, and a content of the residues of 1-50mol%. The copolyester which is water-sol., has a content of the residues of 5-40mol%, and contains a polyoxyalkylene glycol is still pref.

公开(公告)号：JPH07126362A

公开(公告)日：1995-05-16

申请号：JP27446293

申请日：1993-11-02

Applicant: TORAY INDUSTRIES

Inventor： SHIMIZU YUZO ,  AONO SHOJI ,  SUZUKI MASARU

IPC: C08J5/18 ,  B32B27/36 ,  C08G63/16 ,  C08G63/181 ,  C08G63/199 ,  C08G63/672 ,  C08G63/688

Abstract: PURPOSE:To obtain a copolyester excellent in antistatic properties during traveling, water solubility, etc., and suitable for a magnetic recording medium by reacting a specific acid component with a glycol component. CONSTITUTION:An acid component comprises 60-95mol% at least two arom. dicarboxylic acids (e.g. terephthalic acid) and/or aliph. dicarboxylic acids and 40-5mol% alkali metal salt of an ester-forming sulfonic acid (e.g. a sodium salt of sulfoterephthalic acid), and a glycol component comprises 100mol% 2-8C aliph. glycol (ethylene glycol) and/or 6-16C alicyclic glycol. A water-sol. copolyester is produced by incorporating a polyoxyalkylene glycol (e.g. polyethylene glycol) into a coplyester formed by reacting the acid component with the glycol component under such conditions as to satisfy the relations expressed by formulas I and II [wherein A is the amt. (mol%) of the alkali metal salt; and B is the amt. (wt.%) of the polyoxyalkylene glycol].

公开(公告)号：JPH06228290A

公开(公告)日：1994-08-16

申请号：JP1762393

申请日：1993-02-04

Applicant: TORAY INDUSTRIES

Inventor： SHIMIZU YUZO ,  AONO SHOJI ,  SUZUKI MASARU

IPC: B32B27/36 ,  C08G63/181 ,  C08G63/688 ,  C08K5/00 ,  C08L67/00 ,  C08L67/02

Abstract: PURPOSE:To obtain the subject polymer consisting of a specific acid component and a specific glycol component, containing a specific amount of polyoxyalkylene glycol component, excellent in antistatic properties, adhesion, solvent resistance, etc., and suitable as a substrate film, etc., for magnetic recording materials. CONSTITUTION:The objective polymer is a copolymer polyester composed of an acid component consisting of (A) an aromatic dicarboxylic acid (preferably terephthalic acid) and (B) 5-40% ester-forming sulfonic acid alkali metal salt compound (preferably 5-sulfoisophthatic acid sodium salt) and a glycol component consisting of (C) 80-99% 2-8C aliphatic glycol and/or 6-16C alicyclic glycol (preferably ethylene glycol, etc.) and (D) 1-20% diethylene glycol and further contains (E) polyoxyalkylene glycol component so that a ratio of wt.% of the component E to wt.% of the component B is 0.1-5 and 1

公开(公告)号：JPH05230198A

公开(公告)日：1993-09-07

申请号：JP3629092

申请日：1992-02-24

Applicant: TORAY INDUSTRIES

Inventor： SHIMIZU YUZO ,  AONO SHOJI ,  SUZUKI MASARU

IPC: B32B27/36 ,  C08G63/688

Abstract: PURPOSE:To provide the subject copolyester containing a specified amount of residues having an alkaline metal sulfonate group and a specified amount of an alkaline metal, exhibiting a specified glass transition temperature and excellent in adhesiveness, blocking resistance, etc. CONSTITUTION:For example, terephthalic acid, an ester-forming sulfonic acid alkaline metal salt (preferably sodium 5-sulfoisophthalate, etc.) a copolymerization component (e.g. phenylindanedicarboxylic acid component) for raising the glass transition temperature and ethylene glycol are subjected to direct esterification reaction. During the esterification reaction, an alkaline metal chloride (preferably an alcohol-soluble chloride of sodium, etc.) is added, thus obtaining the objective copolyester containing 1 to 50mol residue having an alkaline metal sulfonate group and 1 to 3000ppm alkaline metal and exhibiting 80 deg.C glass transition temperature.

公开(公告)号：JPH0586175A

公开(公告)日：1993-04-06

申请号：JP25210291

申请日：1991-09-30

Applicant: TORAY INDUSTRIES

Inventor： SHIMIZU YUZO ,  AONO SHOJI ,  SUZUKI MASARU

IPC: C08G63/672 ,  C08G63/16 ,  C08G63/68 ,  C08G63/688 ,  C08J7/04 ,  C08L67/00 ,  C08L67/02 ,  C09D167/00 ,  C09D167/02

Abstract: PURPOSE:To prepare a water-sol. copolyester excellent in adhesive properties and blocking resistance by copolymerizing a specific monomer mixture contg. 2,2-bis(4-hydroxyphenyl)propane. CONSTITUTION:A water-sol. copolyester is prepd. by copolymerizing a monomer mixture contg. 50mol% or higher arom. dicarboxylic acid component and 5-50mol% the sum of an ester-forming alkali metal sulfonate compd. and a glycol component which contains 2,2-bis(4-hydroxyphenyl)propane deriv. of the formula (where R is a divalent hydrocarbon group; R' is phenylene; and m>=1 and n>=1 provided that m+n>=2) in an amt. of 5-90mol% based on the glycol component. The copolyester is suitable for preparing a coating material for a base film of a magnetic material, etc.

公开(公告)号：JPH04277552A

公开(公告)日：1992-10-02

申请号：JP3749991

申请日：1991-03-04

Applicant: TORAY INDUSTRIES

Inventor： SHIMIZU YUZO ,  AONO SHOJI ,  SUZUKI MASARU

IPC: C08G63/16 ,  C08J5/18 ,  C08K3/26 ,  C08K3/32 ,  C08K5/49 ,  C08L67/00 ,  C08L67/02

Abstract: PURPOSE:To provide a molded article excellent in whiteness, hiding power, and gloss by molding a polyester compsn. contg. calcium carbonate having a specified specific surface area and phosphorus in a specified ratio. CONSTITUTION:A polyester compsn. which contains 1-50wt.% calcium carbonate having a specific surface area of 1-70m /g and phosphorus in an amt. satisfying the formula: 0.03 /g) of calcium carbonate; W is a content (wt.%) of calcium carbonate in the polyester; and P (ppm) is a content of phosphorus in the polyester].

公开(公告)号：JPH03277627A

公开(公告)日：1991-12-09

申请号：JP7993090

申请日：1990-03-27

Applicant: TORAY INDUSTRIES

Inventor： SHIMIZU YUZO ,  AONO SHOJI ,  SUZUKI MASARU

IPC: C08K5/42 ,  C08G63/78 ,  C08K3/22 ,  C08K5/098 ,  C08K5/19 ,  C08L67/00 ,  C08L67/02

Abstract: PURPOSE:To produce a polyester improved in antistatic properties without detriment to the surface smoothness, transparency of molded articles such as fibers, films and sheets by adding a metal sulfonate compound whose pH is adjusted to a specified value with a pH regulator to the reaction system in any arbitrary stage of the polyester production process. CONSTITUTION:A process for producing a polyester by reacting a dicarboxylic acid or its esterifiable derivative with a glycol, wherein a metal sulfonate compound whose pH is adjusted to 7.5-13.0 with a pH regulator is added to the reaction system in any arbitrary stage of the polyester production process. The metal sulfonate compound is one represented by the formula: R-SO3Mm (wherein R is alkyl, alkylaryl or aryl; M is an alkali metal or an alkaline earth metal; and m is 1 or 1/2). Although the above pH regulator is not particularly limited, it is desirably a quat. ammonium compound, a hydroxide, acetate or the like of an alkali metal or an alkaline earth metal.

公开(公告)号：JPH01225634A

公开(公告)日：1989-09-08

申请号：JP5165988

申请日：1988-03-07

Applicant: TORAY INDUSTRIES

Inventor： SHIMIZU YUZO ,  AONO SHOJI ,  SUZUKI MASARU

IPC: C08K3/26 ,  C08G67/00 ,  C08L67/00

Abstract: PURPOSE:To obtain a polyester composition improved in whiteness, covering power and gloss, by incorporating a specified amount of CaCO3 in it. CONSTITUTION:Dimethyl terephthalate is transesterified with ethylene glycol in the presence of a metal compound (e.g., manganese acetate), and a phosphorus compound (e.g., calcium dihydrogenphosphate) and 5-50wt.% CaCO3 of a mean particle diameter of 0.05-5.0mum are added to the reaction mixture. The mixture is polycondensed to obtain a polyester composition comprising at least 80mol.%, based on the total repeating units, ethylene terephthalate and having a ratio of the amount of Ca to that of P in separated particles of 0.002-0.05. A film of this composition is oriented biaxially at a draw ratio of 2.5-4.0 and heat set at 150 deg.C or higher to obtain a biaxially oriented film of a density of 0.90-1.38g/cm .