JPS55145753A - Polyurethane molding or coating - Google Patents
Polyurethane molding or coatingInfo
- 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
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
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)
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 |
-
1979
- 1979-05-02 JP JP5342579A patent/JPS55145753A/en active Pending
Cited By (1)
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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