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Patent US7754405 - Toner for electronic printing, and process for producing glass plate having ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsToners having toner matrix particles having conductive fine particles, a heat decomposable binder resin and glass frit, and heat decomposable organic resin fine particles attached on the surface of the toner matrix particles. The heat decomposition temperature of the organic resin in the heat decomposable...http://www.google.com/patents/US7754405?utm_source=gb-gplus-sharePatent US7754405 - Toner for electronic printing, and process for producing glass plate having electric conductor patternAdvanced Patent SearchPublication numberUS7754405 B2Publication typeGrantApplication numberUS 11/617,219Publication dateJul 13, 2010Filing dateDec 28, 2006Priority dateJan 5, 2006Also published asDE602006001509D1, EP1806623A1, EP1806623B1, US20070154829Publication number11617219, 617219, US 7754405 B2, US 7754405B2, US-B2-7754405, US7754405 B2, US7754405B2InventorsSatoshi Kashiwabara, Kazuo Sunahara, Naoki OkahataOriginal AssigneeAsahi Glass Company, LimitedExport CitationBiBTeX, EndNote, RefManPatent Citations (7), Non-Patent Citations (6), Classifications (24), Legal Events (1) External Links: USPTO, USPTO Assignment, EspacenetToner for electronic printing, and process for producing glass plate having electric conductor patternUS 7754405 B2Abstract Toners having toner matrix particles having conductive fine particles, a heat decomposable binder resin and glass frit, and heat decomposable organic resin fine particles attached on the surface of the toner matrix particles. The heat decomposition temperature of the organic resin in the heat decomposable organic resin fine particles is lower than the heat decomposition temperature of the heat decomposable binder resin.
EXAMPLES Now, Examples 1 to 4 (Examples of the present invention) and Examples 5 to 7 (Comparative Examples) will be presented. Here, in Examples 1 to 7, with respect to the decomposition temperature, using a thermogravimetric analyzer (model: DTG-50, manufactured by Shimadzu Corporation), the measurement was carried out from room temperature to 700� C. at a temperature raising rate of 10� C./min, whereby the temperature T100 at which a weight change of the resin disappears and the temperature T90 at the time when the weight reduction of the resin has become 90%, were obtained. The average particle diameter of particles is a value with which the cumulative frequency becomes 50% in a cumulative particles size distribution curve based on the number of particles corresponding to circular diameters measured by using a flow particle image analyzer (tradename: FPIA-3000, manufactured by Sysmex Corporation.) Further, the average molecular weights of the resins used in Examples 1 to 7 are weight average molecular weights.
Example 1 20 Parts by mass of maleic anhydride-modified polypropylene (manufactured by Sanyo Chemical, tradename: YUMEX 1010, average molecular weight: 30,000, acid value: 52, T100=430� C., T90=420� C.), 79 parts by mass of silver powder (average particle diameter: 2 μm) and 1 part by mass of glass frit (bismuth-silica non-lead glass frit, melting temperature Ts: 450� C., average particle diameter: 2 μm) were mixed, kneaded at 170� C. using a kneader, and then cooled to room temperature to obtain a solid product. This solid product was pulverized by a jet mill and classified to obtain particles (toner matrix particles) having an average particle diameter of 20 μm.
Example 2 A toner for electronic printing having an average particle diameter of 20 μm was obtained in the same manner as in Example 1 except that spherical fine particles (manufactured by Soken Chemical & Engineering Co., Ltd., tradename: MP-1451, average particle diameter: 150 nm, T100=353� C.) made of an acrylic resin were used as heat decomposable organic resin fine particles.
Example 3 A toner for electronic printing having an average particle diameter of 20 μm was obtained in the same manner as in Example 1 except that spherical fine particles (manufactured by Soken Chemical & Engineering Co., Ltd., tradename: MP-4009, average particle diameter: 600 nm, T100=388� C.) made of a low-temperature decomposable resin were used as heat decomposable organic resin fine particles.
Example 4 A toner for electronic printing having an average particle diameter of 20 μm was obtained in the same manner as in Example 1 except that spherical fine particles (manufactured by Soken Chemical & Engineering Co., Ltd., tradename: MP-5000, average particle diameter: 400 nm, T100=418� C.) made of a styrene acrylic resin were used as heat decomposable organic resin fine particles.
Example 5 (Comparative Example) A toner for electronic printing having an average particle diameter of 20 μm was obtained in the same manner as in Example 1 except that spherical silica fine particles (manufactured by Nippon Aerogel Co., Ltd., tradename: R972, average particle diameter: 16 nm, not decomposed at 700� C.) were used as fine particles to be attached to toner matrix particles.
Example 6 (Comparative Example) A toner for electronic printing having an average particle diameter of 20 μm was obtained in the same manner as in Example 1 except that spherical silica fine particles (manufactured by Nippon Aerogel Co., Ltd., tradename: RY200, average particle diameter: 12 nm, not decomposed at 700� C.) were used as fine particles to be attached to toner matrix particles.
Example 7 (Comparative Example) A toner for electronic printing having an average particle diameter of 20 μm was obtained in the same manner as in Example 1 except that spherical titania fine particles (manufactured by Nippon Aerogel Co., Ltd., tradename: T805, average particle diameter: 21 nm, not decomposed at 700� C.) were used as fine particles to be attached to toner matrix particles.
INDUSTRIAL APPLICABILITY The present invention relates to a method for forming an electric conductor on a glass plate and a toner for an electronic printing useful for such a method, and it is particularly useful for a process for producing a glass plate with an electric conductor pattern for windows of automobiles.
Patent CitationsCited PatentFiling datePublication dateApplicantTitleUS5988068Oct 3, 1997Nov 23, 1999Oce-Nederland, B.V.Method and apparatus for decorating ceramic and glass substrates and the toner powder used in such a systemUS20050106486 *Dec 14, 2002May 19, 2005Bernd SchultheisCeramic toner for electro-photographic printingDE20200229U1Jan 8, 2002Apr 4, 2002Schott GlasKeramischer Toner f�r elektrofotographischen DruckJP2002244337A Title not availableJP2003188622A Title not availableJP2005099878A Title not availableWO2003058351A1Dec 14, 2002Jul 17, 2003Harry EngelmannCeramic toner for electro-photographic printing* Cited by examinerNon-Patent CitationsReference1Derwent Publications, AN 2004-074871 [8], XP-002424399, JP 2002-244337, Aug. 30, 2002 (JP 2002-244337 previously filed on Dec. 28, 2006).2U.S. Appl. No. 11/564,922, filed Nov. 30, 2006, Satoshi Kashiwabara, et al.3U.S. Appl. No. 11/620,312, filed Jan. 5, 2007, Kashiwabara, et al.4U.S. Appl. No. 12/061,093, filed Apr. 2, 2008, Okahata, et al.5U.S. Appl. No. 12/324,985, filed Nov. 28, 2008, Okahata, et al.6U.S. Appl. No. 12/327,140, filed Dec. 3, 2008, Okahata, et al.Classifications U.S. Classification430/108.1, 430/109.1, 430/123.51, 430/120.2, 430/124.14, 430/123.52International ClassificationG03G13/20, G03G9/08Cooperative ClassificationG03G9/09708, G03G9/0819, G03G9/09733, G03G15/1625, G03G9/08795, G03G7/0093, G03G9/08797, G03G9/0902European ClassificationG03G9/087H6, G03G7/00K, G03G9/097B, G03G9/09B, G03G15/16B, G03G9/08D, G03G9/097D, G03G9/087H5Legal EventsDateCodeEventDescriptionDec 28, 2006ASAssignmentOwner name: ASAHI GLASS COMPANY, LIMITED, JAPANFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KASHIWABARA, SATOSHI;SUNAHARA, KAZUO;OKAHATA, NAOKI;REEL/FRAME:018687/0821Effective date: 20061218Owner name: ASAHI GLASS COMPANY, LIMITED,JAPANFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KASHIWABARA, SATOSHI;SUNAHARA, KAZUO;OKAHATA, NAOKI;REEL/FRAME:18687/821RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services©2012 Google