JPS54138053A - Preparation of phenolic resin composition for molding friction material - Google Patents
Preparation of phenolic resin composition for molding friction materialInfo
- Publication number
- JPS54138053A JPS54138053A JP4614678A JP4614678A JPS54138053A JP S54138053 A JPS54138053 A JP S54138053A JP 4614678 A JP4614678 A JP 4614678A JP 4614678 A JP4614678 A JP 4614678A JP S54138053 A JPS54138053 A JP S54138053A
- Authority
- JP
- Japan
- Prior art keywords
- phenolic resin
- solvent
- resin
- composition
- orifiths
- 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
Abstract
PURPOSE: To prepare the title composition having uniform quality, economically, by mixing asbestos and a phenolic resin, moistening the mixture with a solvent which is not a good solvent of the phenolic resin, and extruding and pelletizing the composition.
CONSTITUTION: A novolak-type phenolic resin powder is mixed with asbestos fiber of class 2W7 in a mixing chamber 4, and sprayed with a solvent through spray nozzles 6 to attain the optimum plasticity (non-sticky state). The composition is transferred through an adjustable orifith 7 to a granulating chamber 9, where it is pressed between a pair of rollers 11 rotating around a fixed axis 10, and a rotary disc die 12 having a number of orifiths 12a and supporting the above rollers 11. The compositin extruded through sail orifiths 12a is cut to a proper length with a knife cutter 14 to obtain the molding resin pelets. The above solvent is water or 6W9C aliphatic liqud compound, and its amount is between (20-X) and (70-X) wt% based on the resin wherein X is the content of the resin.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4614678A JPS54138053A (en) | 1978-04-18 | 1978-04-18 | Preparation of phenolic resin composition for molding friction material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4614678A JPS54138053A (en) | 1978-04-18 | 1978-04-18 | Preparation of phenolic resin composition for molding friction material |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54138053A true JPS54138053A (en) | 1979-10-26 |
Family
ID=12738822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4614678A Pending JPS54138053A (en) | 1978-04-18 | 1978-04-18 | Preparation of phenolic resin composition for molding friction material |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54138053A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005207581A (en) * | 2003-12-25 | 2005-08-04 | Nisshinbo Ind Inc | Friction material granulating method and friction material preform manufacturing method |
-
1978
- 1978-04-18 JP JP4614678A patent/JPS54138053A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005207581A (en) * | 2003-12-25 | 2005-08-04 | Nisshinbo Ind Inc | Friction material granulating method and friction material preform manufacturing method |
US7648659B2 (en) | 2003-12-25 | 2010-01-19 | Nisshinbo Industries, Inc. | Method of pelletizing friction material and method of manufacturing preliminarily formed material for friction material |
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