DE69708958D1 - Polyurethane-Rolle mit hohem Oberflächenwiderstand - Google Patents
Polyurethane-Rolle mit hohem OberflächenwiderstandInfo
- Publication number
- DE69708958D1 DE69708958D1 DE69708958T DE69708958T DE69708958D1 DE 69708958 D1 DE69708958 D1 DE 69708958D1 DE 69708958 T DE69708958 T DE 69708958T DE 69708958 T DE69708958 T DE 69708958T DE 69708958 D1 DE69708958 D1 DE 69708958D1
- Authority
- DE
- Germany
- Prior art keywords
- high surface
- surface resistance
- polyurethane roll
- polyurethane
- roll
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
- G03G15/0806—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller
- G03G15/0818—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer on a donor element, e.g. belt, roller characterised by the structure of the donor member, e.g. surface properties
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
- G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/003—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor characterised by the choice of material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4266—Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
- C08G18/4269—Lactones
- C08G18/4277—Caprolactone and/or substituted caprolactone
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/69—Polymers of conjugated dienes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/67—Unsaturated compounds having active hydrogen
- C08G18/69—Polymers of conjugated dienes
- C08G18/698—Mixtures with compounds of group C08G18/40
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/83—Chemically modified polymers
- C08G18/831—Chemically modified polymers by oxygen-containing compounds inclusive of carbonic acid halogenides, carboxylic acid halogenides and epoxy halides
-
- 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
- C08K3/16—Halogen-containing compounds
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/08—Details of powder developing device not concerning the development directly
- G03G2215/0855—Materials and manufacturing of the developing device
- G03G2215/0858—Donor member
- G03G2215/0861—Particular composition or materials
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/08—Details of powder developing device not concerning the development directly
- G03G2215/0855—Materials and manufacturing of the developing device
- G03G2215/0858—Donor member
- G03G2215/0863—Manufacturing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Dry Development In Electrophotography (AREA)
- Rolls And Other Rotary Bodies (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/629,855 US5707743A (en) | 1996-04-09 | 1996-04-09 | Polyurethane roller with high surface resistance |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69708958D1 true DE69708958D1 (de) | 2002-01-24 |
DE69708958T2 DE69708958T2 (de) | 2002-06-27 |
Family
ID=24524780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69708958T Expired - Fee Related DE69708958T2 (de) | 1996-04-09 | 1997-03-18 | Polyurethane-Rolle mit hohem Oberflächenwiderstand |
Country Status (8)
Country | Link |
---|---|
US (2) | US5707743A (de) |
EP (1) | EP0801338B1 (de) |
JP (1) | JP4051466B2 (de) |
KR (1) | KR100453396B1 (de) |
AU (1) | AU709947B2 (de) |
BR (1) | BR9701719A (de) |
CA (1) | CA2198997C (de) |
DE (1) | DE69708958T2 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69811424T2 (de) * | 1997-05-14 | 2003-12-18 | Lexmark Int Inc | Oxidationsalterungsbeständige Walze mit oxidierter Oberfläche |
US5874172A (en) * | 1997-11-26 | 1999-02-23 | Lexmark International, Inc. | Oxidative age resistance of surface oxidized roller |
US6042946A (en) * | 1998-07-29 | 2000-03-28 | Lexmark International, Inc. | Polyurethane roller with high surface resistance |
US6087011A (en) * | 1998-10-13 | 2000-07-11 | Lexmark International, Inc. | Polyurethane roller with oxide surface layer |
US6352771B1 (en) | 1999-02-24 | 2002-03-05 | Mearthane Products Corporation | Conductive urethane roller |
US6150025A (en) * | 1999-07-12 | 2000-11-21 | Lexmark International, Inc. | Polyurethane roller with high surface resistance |
US6767489B2 (en) * | 2002-07-29 | 2004-07-27 | Lexmark International, Inc. | Method to mold round polyurethane rollers free of injection gates, parting lines and bubbles |
US7655311B2 (en) * | 2005-07-20 | 2010-02-02 | Lexmark International, Inc. | Homogeneous low hardness polyurethane |
US8398532B2 (en) | 2007-03-07 | 2013-03-19 | Lexmark International, Inc. | Developer rolls having a tuned resistivity |
US8448336B2 (en) * | 2008-07-03 | 2013-05-28 | Lexmark International, Inc. | Electrophotographic roller with resistance to nip banding |
US8182405B2 (en) * | 2008-09-30 | 2012-05-22 | Canon Kabushiki Kaisha | Developing roller, developing roller production method, process cartridge, and electrophotographic apparatus |
US8171638B2 (en) * | 2008-12-22 | 2012-05-08 | Lexmark International, Inc. | Process for providing improved electrical properties on a roll for use in electrophotography |
US20100155677A1 (en) * | 2008-12-22 | 2010-06-24 | Bradley Leonard Beach | Polyurethane Roller with Reduced Surface Resistance |
WO2011022205A1 (en) | 2009-08-21 | 2011-02-24 | Chemtura Corporation | Copolyester polyols, prepolymers, and polyurethane elastomers formed therefrom and processes for making same |
KR20110051851A (ko) * | 2009-11-11 | 2011-05-18 | 삼성전자주식회사 | 전자사진방식 화상형성장치용 현상롤러, 이의 제조 방법 |
US9044720B2 (en) | 2010-04-26 | 2015-06-02 | Lubrizol Advanced Materials, Inc. | Dispersant composition |
US9338330B2 (en) | 2011-09-23 | 2016-05-10 | Reflex Technologies, Llc | Method and apparatus for continuous motion film scanning |
TWI486367B (zh) * | 2012-05-30 | 2015-06-01 | Nippon Soda Co | 聚胺甲酸酯 |
KR101632143B1 (ko) | 2015-02-13 | 2016-06-20 | 엔케이골드주식회사 | 상패 |
JP6055045B2 (ja) * | 2015-08-05 | 2016-12-27 | 株式会社ブリヂストン | 現像ローラ |
MX2022005647A (es) | 2019-11-14 | 2022-09-07 | Swimc Llc | Composiciones de revestimiento en polvo para envasados metalicos, sustratos metalicos revestidos y metodos. |
WO2022246120A1 (en) | 2021-05-19 | 2022-11-24 | Swimc Llc | Methods of coating metal substrates and making metal packaging, coated metal substrates, metal packaging, and powder coating composition systems |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4058879A (en) * | 1976-07-01 | 1977-11-22 | Xerox Corporation | Compositions and method for enhancing electrical life of polymers used in xerographic devices |
GB2033410B (en) * | 1978-11-10 | 1983-03-30 | Aerojet General Co | Polyurethane compositions for rocket casing liners |
JP2703922B2 (ja) * | 1988-03-31 | 1998-01-26 | 株式会社東芝 | 加圧現像方式の現像装置 |
JPH048716A (ja) * | 1990-04-27 | 1992-01-13 | Bando Chem Ind Ltd | ポリウレタンエラストマー製造のための注型用組成物及びかかる組成物を用いる注型ポリウレタンエラストマーの製造方法 |
JPH04296540A (ja) * | 1991-03-26 | 1992-10-20 | Hokushin Ind Inc | 樹脂成形体及びそれを用いたベルト成形体 |
JPH05154944A (ja) * | 1991-12-10 | 1993-06-22 | Bando Chem Ind Ltd | 給紙ローラー |
TW264487B (de) * | 1992-02-18 | 1995-12-01 | Takeda Pharm Industry Co Ltd | |
JPH05248426A (ja) * | 1992-03-04 | 1993-09-24 | Ricoh Co Ltd | 半導電性ローラ |
JPH0616948A (ja) * | 1992-04-16 | 1994-01-25 | Mearthane Prod Corp | 導電性及び半導電性ポリマー材 |
US5248560A (en) * | 1992-05-07 | 1993-09-28 | Lexmark International, Inc. | Filled urethane developer roller |
US5434653A (en) * | 1993-03-29 | 1995-07-18 | Bridgestone Corporation | Developing roller and apparatus |
US6117557A (en) * | 1995-04-19 | 2000-09-12 | Lexmark International, Inc. | Caprolactone ester polyurethane developer roller |
-
1996
- 1996-04-09 US US08/629,855 patent/US5707743A/en not_active Expired - Lifetime
-
1997
- 1997-03-03 CA CA002198997A patent/CA2198997C/en not_active Expired - Lifetime
- 1997-03-18 DE DE69708958T patent/DE69708958T2/de not_active Expired - Fee Related
- 1997-03-18 EP EP97301794A patent/EP0801338B1/de not_active Expired - Lifetime
- 1997-04-08 BR BR9701719A patent/BR9701719A/pt not_active IP Right Cessation
- 1997-04-08 AU AU17788/97A patent/AU709947B2/en not_active Ceased
- 1997-04-08 KR KR1019970012833A patent/KR100453396B1/ko not_active IP Right Cessation
- 1997-04-08 JP JP10529997A patent/JP4051466B2/ja not_active Expired - Fee Related
- 1997-06-06 US US08/870,782 patent/US5804114A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH1048942A (ja) | 1998-02-20 |
US5804114A (en) | 1998-09-08 |
BR9701719A (pt) | 1998-07-28 |
KR100453396B1 (ko) | 2005-01-31 |
EP0801338B1 (de) | 2001-12-12 |
EP0801338A3 (de) | 1997-11-05 |
US5707743A (en) | 1998-01-13 |
AU1778897A (en) | 1997-10-16 |
JP4051466B2 (ja) | 2008-02-27 |
CA2198997A1 (en) | 1997-10-09 |
AU709947B2 (en) | 1999-09-09 |
EP0801338A2 (de) | 1997-10-15 |
CA2198997C (en) | 2005-10-18 |
MX9702573A (es) | 1997-10-31 |
KR970071170A (ko) | 1997-11-07 |
DE69708958T2 (de) | 2002-06-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |