公开(公告)号：JPH04197719A

公开(公告)日：1992-07-17

申请号：JP32556890

申请日：1990-11-29

Applicant: TORAY INDUSTRIES

Inventor： KITO KAZUO ,  HIRATSUKA TORU ,  ITO HIDEO

IPC: B60B5/02 ,  B29C45/00 ,  B29L31/30

Abstract: PURPOSE:To improve mechanical characteristics by molding a glass fiber and a polyimide resin as raw materials at a specified incorporation ratio. CONSTITUTION:A glass fiber-reinforced nylon resin pellet wherein a glass fiber is sealed in parallel in the longitudinal direction of a pellet with a length of 5mm or larger is obtd. A nylon resin pellet wherein at least 50wt.% this pellet are incorporated is injection-molded to form a wheel by using a fiber-reinforced resin wherein the fiber length of 50wt.% or more glass fiber in the molded item is 0.5mm or longer. e.g. a bath wherein nylon 6 is melted is formed and a glass fiber bundle treated with a coupling agent and a greige good is passed through this bath at a speed or 5m/min. The passed grass fiber bundle is taken up through a nozzle with a diameter of 3mm and after the resin is cooled, it is cut into 10mm. A wheel is injection-molded by using this pellet.

公开(公告)号：JPH027067B2

公开(公告)日：1990-02-15

申请号：JP23511185

申请日：1985-10-23

Applicant: TORAY INDUSTRIES

Inventor： KATAOKA TOSHIRO ,  ITO HIDEO

IPC: B65H29/56 ,  B32B27/00 ,  B65H3/46 ,  B65H3/56 ,  C08J7/04 ,  G03G15/20

公开(公告)号：JPS62240358A

公开(公告)日：1987-10-21

申请号：JP8224386

申请日：1986-04-11

Applicant: TORAY INDUSTRIES

Inventor： ITO HIDEO

IPC: C08L79/08 ,  C08K7/14 ,  C08L61/06

Abstract: PURPOSE:To obtain the titled composition having excellent mold-releasability and injection molding stability without deteriorating heat-resistance of the base resin, by compounding a specific polyaminobismaleimide with specific amounts of glass fiber and a phenolic novolac resin. CONSTITUTION:The objective composition can be produced by compounding (A) 40-95pts.(wt.) of a resin component produced by polymerizing (A1) an unsaturated N,N'-bismaleimide of formula I (D is bivalent group containing C=C group; R is >=1C bivalent organic group) and (A2) a diamine of formula II (R is >=2C bivalent organic group) at a molar ratio of 1-3, preferably 1.2-2.5 with (B) 60-5pts., preferably 50-20pts. of glass fiber having number-average fiber length of 0.05-6mm and diameter of 6-20mum and (C) 2-30pts., preferably 3-10pts. of a phenolic novolac resin component.

公开(公告)号：JPS6123554B2

公开(公告)日：1986-06-06

申请号：JP18374081

申请日：1981-11-18

Applicant: Toray Industries

Inventor： KATAOKA TOSHIRO ,  ITO HIDEO

IPC: G03G15/14 ,  B65H29/56 ,  G03G15/20

CPC classification number: G03G15/2028

公开(公告)号：JPH0615589B2

公开(公告)日：1994-03-02

申请号：JP10835685

申请日：1985-05-22

Applicant: TORAY INDUSTRIES

Inventor： ITO HIDEO ,  TANIGUCHI MASAHARU ,  MINAMI SOKO

IPC: C08G73/00 ,  C08F20/00 ,  C08F20/52 ,  C08F22/36 ,  C08F222/40 ,  C08G73/12

公开(公告)号：JPH0616729A

公开(公告)日：1994-01-25

申请号：JP17683392

申请日：1992-07-03

Applicant: TORAY INDUSTRIES

Inventor： OKA KOICHIRO ,  WADA SUSUMU ,  ITO HIDEO

IPC: C08F212/00 ,  C08F12/00 ,  C08F20/10 ,  C08F20/26 ,  C08F20/34 ,  C08F220/28 ,  C08F220/36 ,  C08F290/06 ,  G02B1/04

Abstract: PURPOSE:To obtain a plastic lens suitable for glasses or camera having both high toughness and high hardness during heating by blending a urethane (meth) acrylate with two kinds of radical-polymerizable double bond-containing compound. CONSTITUTION:(A) A urethane (meth)acrylate obtained by a process for preparing (meth)acrylate by reacting 1mol hydroxyl group containing two hydroxyl groups in one molecule with 0.3-0.7mol (meth)acrylic acid and by a process for reacting the (meth)acrylate with a polyfunctional isocyanate compound is blended with (B) a compound containing one radical-polymerizable double bond in one molecule and (C) a compound containing two radical-polymerizable double bonds in one molecule as polymerization components in the weight ratio of 50-80:10-50:3-10 (total 100).

公开(公告)号：JPH04203254A

公开(公告)日：1992-07-23

申请号：JP32556790

申请日：1990-11-29

Applicant: TORAY INDUSTRIES

Inventor： KITO KAZUO ,  HIRATSUKA TORU ,  ITO HIDEO

IPC: B29B9/14 ,  B29K77/00 ,  B29K105/06 ,  B29L31/30 ,  F02B1/04 ,  F02F7/00

Abstract: PURPOSE:To obtain a cylinder head cover having excellent impact resistance and producing no creep by injecting and molding glass fiber reinforced polyamide resin pellet having glass fibers arranged lengthwise of the pellet, and keeping the length of the glass fiber in a molding at a specified length. CONSTITUTION:A glass fiber reinforced nylon resin pellet has 5mm or more of length and glass fibers enclosed in parallel lengthwise thereof. Nylon resin composition including at least 50wt.% of the pellet is injection molded to provide a cylinder head cover having at least 50wt.% and at least 0.5mm length of the glass fiber in the molding. Then, the glass fiber and polyamide resin are used for the blank, and the glass fiber is preferably of 6-20mu of diameter and processed by a coupling agent and converging agent generally used so that the bundle-like one is used. Thus, the sufficiently light cylinder head cover is obtained which has a stable property in use like a cylinder head cover having iron as main material.

公开(公告)号：JPH04193504A

公开(公告)日：1992-07-13

申请号：JP32745290

申请日：1990-11-27

Applicant: TORAY INDUSTRIES

Inventor： MURAKI TOSHIO ,  ITO HIDEO ,  KITO KAZUO

IPC: B29B9/14 ,  B29K105/06

Abstract: PURPOSE:To manufacture a molded product of superior molding properties and dynamic physical properties by providing a thermoplastic resin skin body section formed with its core section integrally on the outer periphery of the core section containing thermoplastic resin and reinforced fiber. CONSTITUTION:Usually same kind of thermoplastic resins are selected and used for a core section and a skin body section. Reinforced fiber in the core section is preferably arranged and juxtaposed respectively in the length direction of core section, and its average length is in the range of 5-15mm when being juxtaposed in the length direction of core section. The skin body section is formed integrally with the outer periphery of core section, and its average thickness is preferably in the range of 0.1-0.5mm. The content of reinforced fiber in pellets is preferably in the range of 30-55wt.%, and the average diameter of pellets is preferably in the range of 2-5mm. Said pellets are melted and injection molded to manufacture a fiber reinforced resin molded product.

公开(公告)号：JPS6268818A

公开(公告)日：1987-03-28

申请号：JP20621885

申请日：1985-09-20

Applicant: TORAY INDUSTRIES

Inventor： ITO HIDEO

IPC: C08G73/00 ,  C08G73/10 ,  C08G73/12 ,  C08K7/14 ,  C08L7/00 ,  C08L21/00 ,  C08L79/08 ,  C08L91/06

Abstract: PURPOSE:The titled composition, obtained by polymerizing an unsaturated N,N'- bisimide with a diamine at a specific ratio and blending glass fibers and carnauba wax with the resultant resin composition and having improved heat resistance, mold releasability and injection stability. CONSTITUTION:A molding thermosetting resin composition ontained by polymerizing first (A) an unsaturated N,N'-bisimide expressed by the formula (D is bifunctional group containing C=C double bond; R is organic group containing C atoms), preferably, N,N'-4,4'-diphenylmethane-bismaleimide with (B) a diamine expressed by the formula H2N-R-NH2 (R is >=2C bifunctional organic group), preferably 4,4'-diaminodiphenylmethane in amounts within 1-3 molar ratio range of the components (A) to (B)give a resin composition and blending 40-95 pts.wt. resultant resin composition with 60-50pts.wt. glass fibers having 0.05-6mm number-average fiber length and carnauba wax.

公开(公告)号：JPH0926421A

公开(公告)日：1997-01-28

申请号：JP17634495

申请日：1995-07-12

Applicant: TORAY INDUSTRIES

Inventor： AOYAGI MUTSUO ,  FUKUDA TADANORI ,  ITO HIDEO

IPC: G01N31/00 ,  G01N31/22 ,  G01N33/38

Abstract: PROBLEM TO BE SOLVED: To make it possible to simply measure the generation of efflorescence in a short time by using alcohol containing water solution of pH indicator exhibiting alkalinity. SOLUTION: The lower 1/2 part of a cement product in thickness direction is dipped, for example, in water to absorb water. The absorbed water is gradually moved to a surface layer which is not dipped in water. At this time, the alkali component in the product is moved to the surface layer with the absorbed water. When it is coated with a pH indicator having a color change area to the alkaline side to the alkali component such as pH indicator of thymol blue or phenol red, the color is exhibited in the color change area in response to the pH. The generation of efflorescence is predicted according to the degree of the coloring. Accordingly, the time up to a predetermined coloring area is measured to predict the easiness of generating the efflorescence in a short time.