GB653273A - Improvements in or relating to friction materials, more particularly for brakes and the like - Google Patents
Improvements in or relating to friction materials, more particularly for brakes and the likeInfo
- Publication number
- GB653273A GB653273A GB34267/47A GB3426747A GB653273A GB 653273 A GB653273 A GB 653273A GB 34267/47 A GB34267/47 A GB 34267/47A GB 3426747 A GB3426747 A GB 3426747A GB 653273 A GB653273 A GB 653273A
- Authority
- GB
- United Kingdom
- Prior art keywords
- silica
- phenol
- liquid
- cardolite
- friction lining
- 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.)
- Expired
Links
- 239000002783 friction material Substances 0.000 title 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 11
- 239000011230 binding agent Substances 0.000 abstract 6
- 239000007788 liquid Substances 0.000 abstract 6
- 239000007787 solid Substances 0.000 abstract 6
- 239000004965 Silica aerogel Substances 0.000 abstract 5
- 229920001568 phenolic resin Polymers 0.000 abstract 5
- 239000010425 asbestos Substances 0.000 abstract 4
- 239000000463 material Substances 0.000 abstract 4
- 229910052895 riebeckite Inorganic materials 0.000 abstract 4
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 abstract 3
- 239000000377 silicon dioxide Substances 0.000 abstract 3
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 abstract 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 2
- 241000276489 Merlangius merlangus Species 0.000 abstract 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 abstract 2
- 238000010790 dilution Methods 0.000 abstract 2
- 239000012895 dilution Substances 0.000 abstract 2
- 229920001971 elastomer Polymers 0.000 abstract 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 abstract 2
- 239000002657 fibrous material Substances 0.000 abstract 2
- 239000000945 filler Substances 0.000 abstract 2
- SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 abstract 2
- 229920005546 furfural resin Polymers 0.000 abstract 2
- 239000004615 ingredient Substances 0.000 abstract 2
- HTUMBQDCCIXGCV-UHFFFAOYSA-N lead oxide Chemical compound [O-2].[Pb+2] HTUMBQDCCIXGCV-UHFFFAOYSA-N 0.000 abstract 2
- YEXPOXQUZXUXJW-UHFFFAOYSA-N lead(II) oxide Inorganic materials [Pb]=O YEXPOXQUZXUXJW-UHFFFAOYSA-N 0.000 abstract 2
- 235000021388 linseed oil Nutrition 0.000 abstract 2
- 239000000944 linseed oil Substances 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 239000000025 natural resin Substances 0.000 abstract 2
- 239000003921 oil Substances 0.000 abstract 2
- 235000019198 oils Nutrition 0.000 abstract 2
- 229920005989 resin Polymers 0.000 abstract 2
- 239000011347 resin Substances 0.000 abstract 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 abstract 2
- 239000002904 solvent Substances 0.000 abstract 2
- 229920003002 synthetic resin Polymers 0.000 abstract 2
- 239000000057 synthetic resin Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 239000004964 aerogel Substances 0.000 abstract 1
- 239000005011 phenolic resin Substances 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Composition of linings ; Methods of manufacturing
- F16D69/021—Composition of linings ; Methods of manufacturing containing asbestos
- F16D69/022—Composition of linings ; Methods of manufacturing containing asbestos in the form of fibres
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Composition of linings ; Methods of manufacturing
- F16D69/025—Compositions based on an organic binder
- F16D69/026—Compositions based on an organic binder containing fibres
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
A friction lining material comprises a silica aerogel, an inorganic fibrous material, preferably asbestos, and a binder capable of withstanding high temperatures. The silica aerogel may be produced as described in U.S.A. Specification 2,093,454 or by adding a stable silica sol produced according to U.S.A. Specification 2,285,449 or U.S.A. Specification 2,356,773, if desired after dilution with water or a solvent such as alcohol or ethyl "Cellosolve" (Registered Trade Mark), or after admixture with a liquid binder, to the solid ingredients of the friction lining material. If desired the liquid may be sprayed on to the solids but mixing is preferred. The sol used may be one with a specially increased silica content. Suitable binders are natural or synthetic resins, e.g. phenol-formaldehyde or phenol-furfural resins, rubber or an oxidized oil, e.g. oxidized linseed oil. Other fillers which may be incorporated are cardolite (a phenolic resin reacted to infusibility), litharge, barytes and/or whiting. In one example asbestos, silica aerogel and cardolite are mixed. Solid phenol-formaldehyde resin may then be added and the products moulded, or a liquid resin may be used and the mixture extruded, cut to size and cured.ALSO:A friction lining material comprises a silica aerogel, an inorganic fibrous material, preferably asbestos, and a binder capable of withstanding high temperatures. The silica aerogel may be produced as described in U.S.A. Specification 2,093,454 or by adding a stable silica sol produced according to U.S.A. Specification 2,285,449 or U.S.A. Specification 2,356,773, if desired after dilution with water or a solvent, such as alcohol or ethyl "Cellosolve" (Registered Trade Mark), or after admixture with a liquid binder, to the solid ingredients of the friction lining material. If desired the liquid may be sprayed on to the solids but mixing is preferred. The sol used may be one with a specially increased silica content. Suitable binders are natural or synthetic resins, e.g. phenol-formaldehyde or phenol-furfural resins, rubber or an oxidized oil, e.g. oxidized linseed oil. Other fillers which may be incorporated are cardolite, litharge, barytes and/or whiting. In one example, asbestos, silica, aerogel and cardolite are mixed. Solid phenol-formaldehyde resin may then be added and the product moulded, or a liquid resin may be used and the mixture extruded, cut to size and cured.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US653273XA | 1945-06-08 | 1945-06-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB653273A true GB653273A (en) | 1951-05-09 |
Family
ID=22061938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB34267/47A Expired GB653273A (en) | 1945-06-08 | 1947-12-24 | Improvements in or relating to friction materials, more particularly for brakes and the like |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB653273A (en) |
-
1947
- 1947-12-24 GB GB34267/47A patent/GB653273A/en not_active Expired
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