JPS55145753A - Polyurethane molding or coating - Google Patents

Polyurethane molding or coating

Info

Publication number
JPS55145753A
JPS55145753A JP5342579A JP5342579A JPS55145753A JP S55145753 A JPS55145753 A JP S55145753A JP 5342579 A JP5342579 A JP 5342579A JP 5342579 A JP5342579 A JP 5342579A JP S55145753 A JPS55145753 A JP S55145753A
Authority
JP
Japan
Prior art keywords
moldings
coatings
light
polyurethane
extent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP5342579A
Other languages
Japanese (ja)
Inventor
Tsutomu Kato
Nobuo Sawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyo Ink Mfg Co Ltd
Original Assignee
Toyo Ink Mfg Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyo Ink Mfg Co Ltd filed Critical Toyo Ink Mfg Co Ltd
Priority to JP5342579A priority Critical patent/JPS55145753A/en
Publication of JPS55145753A publication Critical patent/JPS55145753A/en
Pending legal-status Critical Current

Links

Landscapes

  • Compositions Of Macromolecular Compounds (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

PURPOSE: To visually prevent yellowing of moldings, etc., of a polyurethane from an aromatic polyisocyanate, by producing the moldings, etc., by adding thereto a yellow pigment or dye which fades by light to an extent corresponding to the extent of yellowing of the moldings, etc., caused by light.
CONSTITUTION: In producing moldings or coatings of a polyurethane from an aromatic polyisocyanate as a polyisocyanate component and a polyhydroxyl compound, the moldings or coatings are prepared by adding previously to the moldings or coatings a yellow pigment or dye which fades by light to an extent corresponding to the extent of yellowing of the moldings or coatings, caused by light. For instance, about 0.03W0.5pt.wt. of a yellow pigment such as C.I. Pigement Yellow 4 is added to 100pts.wt. of polyurethane.
COPYRIGHT: (C)1980,JPO&Japio
JP5342579A 1979-05-02 1979-05-02 Polyurethane molding or coating Pending JPS55145753A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5342579A JPS55145753A (en) 1979-05-02 1979-05-02 Polyurethane molding or coating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5342579A JPS55145753A (en) 1979-05-02 1979-05-02 Polyurethane molding or coating

Publications (1)

Publication Number Publication Date
JPS55145753A true JPS55145753A (en) 1980-11-13

Family

ID=12942475

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5342579A Pending JPS55145753A (en) 1979-05-02 1979-05-02 Polyurethane molding or coating

Country Status (1)

Country Link
JP (1) JPS55145753A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1135834A (en) * 1997-07-23 1999-02-09 Nippon G Ii Plast Kk Light resistant resin composition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1135834A (en) * 1997-07-23 1999-02-09 Nippon G Ii Plast Kk Light resistant resin composition

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