GB1604904A - Electrical devices and heating method - Google Patents
Electrical devices and heating method Download PDFInfo
- Publication number
- GB1604904A GB1604904A GB18660/78A GB1866078A GB1604904A GB 1604904 A GB1604904 A GB 1604904A GB 18660/78 A GB18660/78 A GB 18660/78A GB 1866078 A GB1866078 A GB 1866078A GB 1604904 A GB1604904 A GB 1604904A
- Authority
- GB
- United Kingdom
- Prior art keywords
- composition
- polymer
- elastomer
- carbon black
- weight
- 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
- 238000000034 method Methods 0.000 title claims description 16
- 238000010438 heat treatment Methods 0.000 title claims description 6
- 239000000203 mixture Substances 0.000 claims description 74
- 229920000642 polymer Polymers 0.000 claims description 46
- 229920001971 elastomer Polymers 0.000 claims description 22
- 239000000806 elastomer Substances 0.000 claims description 21
- 238000002844 melting Methods 0.000 claims description 19
- 230000008018 melting Effects 0.000 claims description 17
- 239000006229 carbon black Substances 0.000 claims description 14
- 235000019241 carbon black Nutrition 0.000 claims description 14
- -1 polypropylene Polymers 0.000 claims description 13
- 229920001169 thermoplastic Polymers 0.000 claims description 13
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims description 10
- 239000004743 Polypropylene Substances 0.000 claims description 9
- 229920001155 polypropylene Polymers 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 239000003963 antioxidant agent Substances 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 6
- 239000004615 ingredient Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 229920004937 Dexon® Polymers 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- 230000003078 antioxidant effect Effects 0.000 claims description 4
- 229920001400 block copolymer Polymers 0.000 claims description 4
- 229920001940 conductive polymer Polymers 0.000 claims description 4
- 150000002739 metals Chemical class 0.000 claims description 4
- 230000000704 physical effect Effects 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 239000012777 electrically insulating material Substances 0.000 claims description 3
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229920000339 Marlex Polymers 0.000 claims description 2
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 2
- 238000004132 cross linking Methods 0.000 claims description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 2
- 239000005977 Ethylene Substances 0.000 claims 2
- 125000004432 carbon atom Chemical group C* 0.000 claims 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 claims 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 claims 1
- 229920001519 homopolymer Polymers 0.000 claims 1
- 229910052740 iodine Inorganic materials 0.000 claims 1
- 239000011630 iodine Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims 1
- 229920001384 propylene homopolymer Polymers 0.000 claims 1
- 239000005060 rubber Substances 0.000 claims 1
- 229910052709 silver Inorganic materials 0.000 claims 1
- 239000004332 silver Substances 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 claims 1
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/02—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient
- H01C7/027—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient consisting of conducting or semi-conducting material dispersed in a non-conductive organic material
-
- 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
- C08K3/02—Elements
- C08K3/04—Carbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/24—Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon or silicon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Dispersion Chemistry (AREA)
- Electromagnetism (AREA)
- Ceramic Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Conductive Materials (AREA)
- Thermistors And Varistors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US79815477A | 1977-05-18 | 1977-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1604904A true GB1604904A (en) | 1981-12-16 |
Family
ID=25172666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB18660/78A Expired GB1604904A (en) | 1977-05-18 | 1978-05-10 | Electrical devices and heating method |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5416697A (it) |
| BE (1) | BE867236A (it) |
| CA (1) | CA1115045A (it) |
| DE (1) | DE2821799A1 (it) |
| FR (1) | FR2391247A1 (it) |
| GB (1) | GB1604904A (it) |
| IT (1) | IT1096357B (it) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2121246A (en) * | 1982-01-28 | 1983-12-14 | Raychem Corp | Wraparound sleeve for insulation |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4238812A (en) * | 1978-12-01 | 1980-12-09 | Raychem Corporation | Circuit protection devices comprising PTC elements |
| GB2052228B (en) * | 1979-05-10 | 1983-04-07 | Sunbeam Corp | Flexible heating elements and dies and processes for the production thereof |
| US4450496A (en) * | 1979-08-16 | 1984-05-22 | Raychem Corporation | Protection of certain electrical systems by use of PTC device |
| DE3069972D1 (en) * | 1979-08-16 | 1985-02-28 | Raychem Corp | Protection of electrical systems using ptc devices |
| CA1168433A (en) * | 1980-05-19 | 1984-06-05 | Umesh K. Sopory | Ptc conductive polymers and devices comprising them |
| US4591700A (en) * | 1980-05-19 | 1986-05-27 | Raychem Corporation | PTC compositions |
| DE3688715D1 (de) | 1985-03-30 | 1993-08-26 | Hitachi Ltd | Druckverfahren vom abtastaufzeichnungstyp und dessen verwirklichungsvorrichtung. |
| US4800442A (en) | 1985-08-15 | 1989-01-24 | Canon Kabushiki Kaisha | Apparatus for generating an image from a digital video signal |
| DE3775097D1 (de) | 1986-02-20 | 1992-01-23 | Raychem Corp | Einen ionentauschenden stoff verwendende verfahren und gegenstand. |
| JP2627894B2 (ja) * | 1987-05-22 | 1997-07-09 | 大日精化工業株式会社 | 自己温度制御性の向上された導電性樹脂組成物 |
| US6607679B2 (en) | 2001-01-12 | 2003-08-19 | Tdk Corporation | Organic PTC thermistor |
| JP5433931B2 (ja) | 2007-05-11 | 2014-03-05 | Ｎｏｋ株式会社 | Ｐｔｃインク組成物の製造方法及びｐｔｃインク組成物 |
| CN104558752A (zh) * | 2013-10-25 | 2015-04-29 | 中国石油化工股份有限公司 | 燃气管警示板用聚乙烯树脂组合物及制造方法和燃气管警示板 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1167551A (en) * | 1965-12-01 | 1969-10-15 | Texas Instruments Inc | Heaters and Methods of Making Same |
| US3591526A (en) * | 1968-01-25 | 1971-07-06 | Polyelectric Corp | Method of manufacturing a temperature sensitive,electrical resistor material |
| US3673121A (en) * | 1970-01-27 | 1972-06-27 | Texas Instruments Inc | Process for making conductive polymers and resulting compositions |
| FR2089861A5 (en) * | 1970-05-04 | 1972-01-07 | Allied Chem | Semiconductive polymer compn which reducesst - |
| US4055526A (en) * | 1974-03-29 | 1977-10-25 | Shin Kiyokawa | Planar heating element and production thereof |
| FR2321751A1 (fr) * | 1975-08-04 | 1977-03-18 | Raychem Corp | Perfectionnement aux compositions a coefficient de temperature positif |
| GB1595198A (en) * | 1976-10-15 | 1981-08-12 | Raychem Corp | Ptc compositions and devices comprising them |
-
1978
- 1978-05-10 GB GB18660/78A patent/GB1604904A/en not_active Expired
- 1978-05-17 FR FR7814592A patent/FR2391247A1/fr active Granted
- 1978-05-17 CA CA303,529A patent/CA1115045A/en not_active Expired
- 1978-05-18 IT IT23558/78A patent/IT1096357B/it active
- 1978-05-18 DE DE19782821799 patent/DE2821799A1/de not_active Withdrawn
- 1978-05-18 JP JP5946278A patent/JPS5416697A/ja active Pending
- 1978-05-18 BE BE187834A patent/BE867236A/xx not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2121246A (en) * | 1982-01-28 | 1983-12-14 | Raychem Corp | Wraparound sleeve for insulation |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2391247B1 (it) | 1985-05-10 |
| DE2821799A1 (de) | 1978-11-30 |
| CA1115045A (en) | 1981-12-29 |
| JPS5416697A (en) | 1979-02-07 |
| IT1096357B (it) | 1985-08-26 |
| BE867236A (fr) | 1978-11-20 |
| FR2391247A1 (fr) | 1978-12-15 |
| IT7823558A0 (it) | 1978-05-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |