GB1440550A - Compositions for the manufacture of articles which have a low coefficient of friction when hot - Google Patents
Compositions for the manufacture of articles which have a low coefficient of friction when hotInfo
- Publication number
- GB1440550A GB1440550A GB5144974A GB5144974A GB1440550A GB 1440550 A GB1440550 A GB 1440550A GB 5144974 A GB5144974 A GB 5144974A GB 5144974 A GB5144974 A GB 5144974A GB 1440550 A GB1440550 A GB 1440550A
- Authority
- GB
- United Kingdom
- Prior art keywords
- fillers
- nov
- polyamide
- articles
- bearings
- 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
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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/20—Sliding surface consisting mainly of plastics
- F16C33/201—Composition of the plastic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/013—Fillers, pigments or reinforcing additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08L79/085—Unsaturated polyimide precursors
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Lubricants (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
1440550 Polyimides RHONE-POULENC SA 27 Nov 1974 [28 Nov 1973] 51449/74 Heading C3R A mouldable composition comprises (by weight): (a) 40 to 80% of a prepolymer prepared from a bisimide where A is and T is -O-, -CH 2 -, -SO 2 - or and from a diamine H 2 N-B-NH 2 where B is an organic redical as defined for A; (b) 10 to 50% of a filler at least 50% of which is a slip material, and (c) 5 to 25% of a lithium salt of a C 6 -C 25 saturated or ethylenically unsaturated aliphatic monocarboxylic acid, which salt does not melt at below 180‹ C. Specified fillers are as slip agents: graphite, MoS 2 and P.T.F.E. of 0À1 to 50Á; as reinforcing fillers: glass, asbestos, potassium titanate, carbon, P.T.F.E., polyamide and polyamide-imide fibres of 0À5 to 20 mm. length and glass microspheres; and as general fillers Ca, Zn and Fe oxides, Cu, Pb and Ag particles, BaSO 4 , mica, litharge and clay. Specificed lithium salts are the octoate, laurate, palmitate and stearate. Articles moulded from the optionally pelleted composition are useful as transmission bearings, bearings for domestic electrical appliances and as self-lubricating discs for compressors with an eccentric rotor. Reference has been directed by the Comptroller to Specifications 1,342,565, 1,263,234 and 1,190,718.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7342306A FR2252364B1 (en) | 1973-11-28 | 1973-11-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1440550A true GB1440550A (en) | 1976-06-23 |
Family
ID=9128373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5144974A Expired GB1440550A (en) | 1973-11-28 | 1974-11-27 | Compositions for the manufacture of articles which have a low coefficient of friction when hot |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS5332378B2 (en) |
AU (1) | AU7572874A (en) |
BE (1) | BE822666A (en) |
ES (1) | ES432400A1 (en) |
FR (1) | FR2252364B1 (en) |
GB (1) | GB1440550A (en) |
IT (1) | IT1026627B (en) |
LU (1) | LU71375A1 (en) |
NL (1) | NL7415135A (en) |
SE (1) | SE7414892L (en) |
ZA (1) | ZA747506B (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5023366A (en) * | 1986-11-05 | 1991-06-11 | Mitsui Toatsu Chemicals, Incorporated | Salicylic acid copolymers and their metal salts, production process thereof, color-developing agents comprising metal salts of the copolymers, and color-developing sheets employing the agents |
US5028581A (en) * | 1988-08-15 | 1991-07-02 | Mitsui Toatsu Chemicals, Incorporated | Odorless multi-valent metal modified products of salicyclic acid copolymers, production processes thereof, and use thereof as color-developing agents for pressure-sensitive copying paper sheets |
US5049606A (en) * | 1987-05-06 | 1991-09-17 | Mitsui Toatsu Chemicals, Incorporated | Thermosetting resin composition |
US5084507A (en) * | 1987-05-06 | 1992-01-28 | Mitsui Toatsu Chemicals, Inc. | Thermosetting resin composition |
US5194545A (en) * | 1987-11-18 | 1993-03-16 | Petrochemie Danubia Gesellschaft M.B.H. | Bismaleimides and polyimides prepared therefrom |
EP3399191B1 (en) | 2017-05-03 | 2020-05-27 | Kaeser Kompressoren SE | Screw compressor with multilayer rotor screw coating |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0120130B1 (en) * | 1982-12-28 | 1987-08-19 | General Electric Company | Polyetherimide bearing compositions |
DE3602307A1 (en) * | 1986-01-27 | 1987-07-30 | Glyco Metall Werke | MULTILAYER COMPOSITE |
-
1973
- 1973-11-28 FR FR7342306A patent/FR2252364B1/fr not_active Expired
-
1974
- 1974-11-20 NL NL7415135A patent/NL7415135A/en unknown
- 1974-11-25 ZA ZA00747506A patent/ZA747506B/en unknown
- 1974-11-25 AU AU75728/74A patent/AU7572874A/en not_active Expired
- 1974-11-25 JP JP13444074A patent/JPS5332378B2/ja not_active Expired
- 1974-11-27 BE BE150917A patent/BE822666A/en unknown
- 1974-11-27 LU LU71375A patent/LU71375A1/xx unknown
- 1974-11-27 SE SE7414892A patent/SE7414892L/xx unknown
- 1974-11-27 GB GB5144974A patent/GB1440550A/en not_active Expired
- 1974-11-28 ES ES432400A patent/ES432400A1/en not_active Expired
- 1974-11-28 IT IT29967/74A patent/IT1026627B/en active
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5023366A (en) * | 1986-11-05 | 1991-06-11 | Mitsui Toatsu Chemicals, Incorporated | Salicylic acid copolymers and their metal salts, production process thereof, color-developing agents comprising metal salts of the copolymers, and color-developing sheets employing the agents |
US5049606A (en) * | 1987-05-06 | 1991-09-17 | Mitsui Toatsu Chemicals, Incorporated | Thermosetting resin composition |
US5084507A (en) * | 1987-05-06 | 1992-01-28 | Mitsui Toatsu Chemicals, Inc. | Thermosetting resin composition |
US5194545A (en) * | 1987-11-18 | 1993-03-16 | Petrochemie Danubia Gesellschaft M.B.H. | Bismaleimides and polyimides prepared therefrom |
US5028581A (en) * | 1988-08-15 | 1991-07-02 | Mitsui Toatsu Chemicals, Incorporated | Odorless multi-valent metal modified products of salicyclic acid copolymers, production processes thereof, and use thereof as color-developing agents for pressure-sensitive copying paper sheets |
EP3399191B1 (en) | 2017-05-03 | 2020-05-27 | Kaeser Kompressoren SE | Screw compressor with multilayer rotor screw coating |
US11649823B2 (en) | 2017-05-03 | 2023-05-16 | Kaeser Kompressoren Se | Screw compressor with multi-layered coating of the rotor screws |
US12031537B2 (en) | 2017-05-03 | 2024-07-09 | Kaeser Kompressoren Se | Screw compressor with multi-layered coating of the rotor screws |
Also Published As
Publication number | Publication date |
---|---|
NL7415135A (en) | 1975-05-30 |
ZA747506B (en) | 1976-01-28 |
FR2252364B1 (en) | 1976-10-01 |
JPS5332378B2 (en) | 1978-09-07 |
FR2252364A1 (en) | 1975-06-20 |
DE2456368B2 (en) | 1976-04-08 |
ES432400A1 (en) | 1976-09-01 |
LU71375A1 (en) | 1975-08-20 |
SE7414892L (en) | 1975-05-29 |
BE822666A (en) | 1975-05-27 |
JPS5085658A (en) | 1975-07-10 |
IT1026627B (en) | 1978-10-20 |
DE2456368A1 (en) | 1975-06-05 |
AU7572874A (en) | 1976-05-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |