JPS57172932A - Preparation of synthetic resin molded product - Google Patents
Preparation of synthetic resin molded productInfo
- Publication number
- JPS57172932A JPS57172932A JP5786081A JP5786081A JPS57172932A JP S57172932 A JPS57172932 A JP S57172932A JP 5786081 A JP5786081 A JP 5786081A JP 5786081 A JP5786081 A JP 5786081A JP S57172932 A JPS57172932 A JP S57172932A
- Authority
- JP
- Japan
- Prior art keywords
- molded product
- synthetic resin
- resin
- temp
- baking
- 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.)
- Granted
Links
Landscapes
- Application Of Or Painting With Fluid Materials (AREA)
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
Abstract
PURPOSE: To improve dimensional stability of coated synthetic resin molded product, by molding synthetic resin with a fixed shrinkage factor and heat treating the molded product at a temp. above the subsequent baking temp., followed by coating and baking.
CONSTITUTION: A molded product consisting mainly of crystalline synthetic resin with a fixed shrinkage factor is heat treated at a temp. above the baking temp. prior to coating and baking so that the overall shrinkage factor of the heat- treated molded product may be the same as that of an untreated molded product. The resin used for the molding is mainly composed of a crystalline synthetic resin, e.g., polyolefin resin such as polypropylene. The shrinkage factor is readily adjusted by mixing additives with the resin as well as varying the polymerization degree, regularity, etc. of the resin.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5786081A JPS6049653B2 (en) | 1981-04-18 | 1981-04-18 | Manufacturing method for synthetic resin molded products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5786081A JPS6049653B2 (en) | 1981-04-18 | 1981-04-18 | Manufacturing method for synthetic resin molded products |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57172932A true JPS57172932A (en) | 1982-10-25 |
| JPS6049653B2 JPS6049653B2 (en) | 1985-11-02 |
Family
ID=13067740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5786081A Expired JPS6049653B2 (en) | 1981-04-18 | 1981-04-18 | Manufacturing method for synthetic resin molded products |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6049653B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01157577A (en) * | 1987-12-14 | 1989-06-20 | Mini Pairo Denki:Kk | Semiconductor light emitting device |
| JPH0390464U (en) * | 1989-12-27 | 1991-09-13 | ||
| JPH04137772A (en) * | 1990-09-28 | 1992-05-12 | Sharp Corp | Trichromatic element and display apparatus |
| JPH04365382A (en) * | 1991-06-13 | 1992-12-17 | Toshiba Corp | Semiconductor light-emitting device and its driving method |
-
1981
- 1981-04-18 JP JP5786081A patent/JPS6049653B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6049653B2 (en) | 1985-11-02 |
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