JPS56163147A - Resin composition for molding - Google Patents
Resin composition for moldingInfo
- Publication number
- JPS56163147A JPS56163147A JP6598380A JP6598380A JPS56163147A JP S56163147 A JPS56163147 A JP S56163147A JP 6598380 A JP6598380 A JP 6598380A JP 6598380 A JP6598380 A JP 6598380A JP S56163147 A JPS56163147 A JP S56163147A
- Authority
- JP
- Japan
- Prior art keywords
- composition
- polyurethane
- 10w100pts
- polyisocyanate
- particle size
- 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)
Abstract
PURPOSE: To obtain a composition for injection molding which can form molded items being nearly free of deformation and having excellent mechanical strength, by adding mica powder and a silicic acid filler to a thermoplastic polyurethane obtained from polybutylene terephthalate and a polyisocyanate.
CONSTITUTION: A polybutylene terephthalate having an inherent viscosity of 0.2W 0.6 and a hydroxy group at its terminal, and a polyisocyanate are reacted, for example, in a high-viscosity reactor to obtain a thermplastic polyurethane. 100pts.wt. Above-mentioned polyurethane is blended with 10W100pts.wt. mica powder having a particle size of 100 mesh or less and 10W100pts.wt. silicic acid filler selected from among nonalkali glass beads, nonalkali glass powder, milled glass, etc. having an average particle size of 200μ or less, and the blended composition is heated and milled to obtain the titled composition.
EFFECT: The thus-obtained composition can form molded items having excellent heat resistance, surface condition, and paintability and undergoing little reduction in the strength of a welded part. It has also only a small contraction ratio when molded.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6598380A JPS56163147A (en) | 1980-05-20 | 1980-05-20 | Resin composition for molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6598380A JPS56163147A (en) | 1980-05-20 | 1980-05-20 | Resin composition for molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56163147A true JPS56163147A (en) | 1981-12-15 |
Family
ID=13302743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6598380A Pending JPS56163147A (en) | 1980-05-20 | 1980-05-20 | Resin composition for molding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56163147A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4451605A (en) * | 1982-05-07 | 1984-05-29 | Minnesota Mining And Manufacturing Company | Solvent-based, one-part, filled polyurethane for flexible parts |
| WO2017051883A1 (en) * | 2015-09-25 | 2017-03-30 | 住友化学株式会社 | Liquid crystal polyester composition, molded body, and connector |
-
1980
- 1980-05-20 JP JP6598380A patent/JPS56163147A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4451605A (en) * | 1982-05-07 | 1984-05-29 | Minnesota Mining And Manufacturing Company | Solvent-based, one-part, filled polyurethane for flexible parts |
| WO2017051883A1 (en) * | 2015-09-25 | 2017-03-30 | 住友化学株式会社 | Liquid crystal polyester composition, molded body, and connector |
| CN108137905A (en) * | 2015-09-25 | 2018-06-08 | 住友化学株式会社 | Liquid-crystalline polyester composition, formed body and connector |
| JPWO2017051883A1 (en) * | 2015-09-25 | 2018-07-12 | 住友化学株式会社 | Liquid crystal polyester composition, molded product and connector |
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