PREPARATION OF TRANSPARENT RESIN HAVING HIGH REFRACTIVE INDEX
PURPOSE:To obtain a transparent resin having high refractive index, high impact strength, and low fluctuation of the refractive index, and suitable as various lenses, by melting or melting and solidifying a polymerizable compound having a specific structural formula and solid at normal temperature,...
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| creator | IIDA NOBUHITO SAKATA KANJI |
| description | PURPOSE:To obtain a transparent resin having high refractive index, high impact strength, and low fluctuation of the refractive index, and suitable as various lenses, by melting or melting and solidifying a polymerizable compound having a specific structural formula and solid at normal temperature, and polymerizing the compound under light irradiation. CONSTITUTION:The objective resin can be produced by (1) melting or melting and solidifying a polymerizable compound of formula (R is H or CH3; X is Cl or Br; n is 1 or 2; m is 1-4) which is a bifunctional monomer solid at normal temperature and generally insoluble in other polymerizable liquid compound at high concentration, (2) filling the compound in various molds, and (3) polymerizing under the radiation of light such as ultraviolet ray, visible light, etc. The polymerization is preferably carried out in the presence of |
| format | Patent |
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CONSTITUTION:The objective resin can be produced by (1) melting or melting and solidifying a polymerizable compound of formula (R is H or CH3; X is Cl or Br; n is 1 or 2; m is 1-4) which is a bifunctional monomer solid at normal temperature and generally insoluble in other polymerizable liquid compound at high concentration, (2) filling the compound in various molds, and (3) polymerizing under the radiation of light such as ultraviolet ray, visible light, etc. The polymerization is preferably carried out in the presence of <=2wt% of a polymerization accelerator. EFFECT:It has high degree of crosslinking and excellent hardness, and is free from internal strain. USE:Glasses for sight correction etc.</description><language>eng</language><subject>CHEMISTRY ; COMPOSITIONS BASED THEREON ; CONTACT LENSES ; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS ; METALLURGY ; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS ; OPTICS ; ORGANIC MACROMOLECULAR COMPOUNDS ; PHYSICS ; SPECTACLES ; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES ; THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><creationdate>1984</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19841102&DB=EPODOC&CC=JP&NR=S59193915A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19841102&DB=EPODOC&CC=JP&NR=S59193915A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>IIDA NOBUHITO</creatorcontrib><creatorcontrib>SAKATA KANJI</creatorcontrib><title>PREPARATION OF TRANSPARENT RESIN HAVING HIGH REFRACTIVE INDEX</title><description>PURPOSE:To obtain a transparent resin having high refractive index, high impact strength, and low fluctuation of the refractive index, and suitable as various lenses, by melting or melting and solidifying a polymerizable compound having a specific structural formula and solid at normal temperature, and polymerizing the compound under light irradiation. CONSTITUTION:The objective resin can be produced by (1) melting or melting and solidifying a polymerizable compound of formula (R is H or CH3; X is Cl or Br; n is 1 or 2; m is 1-4) which is a bifunctional monomer solid at normal temperature and generally insoluble in other polymerizable liquid compound at high concentration, (2) filling the compound in various molds, and (3) polymerizing under the radiation of light such as ultraviolet ray, visible light, etc. The polymerization is preferably carried out in the presence of <=2wt% of a polymerization accelerator. EFFECT:It has high degree of crosslinking and excellent hardness, and is free from internal strain. USE:Glasses for sight correction etc.</description><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>CONTACT LENSES</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</subject><subject>METALLURGY</subject><subject>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</subject><subject>OPTICS</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>PHYSICS</subject><subject>SPECTACLES</subject><subject>SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1984</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLANCHINcAxyDPH091Pwd1MICXL0CwYKuPqFKAS5Bnv6KXg4hnn6uSt4eLp7AEXcghydQzzDXBU8_VxcI3gYWNMSc4pTeaE0N4Oim2uIs4duakF-fGpxQWJyal5qSbxXQLCppaGlsaWhqaMxMWoATUQqXQ</recordid><startdate>19841102</startdate><enddate>19841102</enddate><creator>IIDA NOBUHITO</creator><creator>SAKATA KANJI</creator><scope>EVB</scope></search><sort><creationdate>19841102</creationdate><title>PREPARATION OF TRANSPARENT RESIN HAVING HIGH REFRACTIVE INDEX</title><author>IIDA NOBUHITO ; SAKATA KANJI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPS59193915A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1984</creationdate><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>CONTACT LENSES</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</topic><topic>METALLURGY</topic><topic>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</topic><topic>OPTICS</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>PHYSICS</topic><topic>SPECTACLES</topic><topic>SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>IIDA NOBUHITO</creatorcontrib><creatorcontrib>SAKATA KANJI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>IIDA NOBUHITO</au><au>SAKATA KANJI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PREPARATION OF TRANSPARENT RESIN HAVING HIGH REFRACTIVE INDEX</title><date>1984-11-02</date><risdate>1984</risdate><abstract>PURPOSE:To obtain a transparent resin having high refractive index, high impact strength, and low fluctuation of the refractive index, and suitable as various lenses, by melting or melting and solidifying a polymerizable compound having a specific structural formula and solid at normal temperature, and polymerizing the compound under light irradiation. CONSTITUTION:The objective resin can be produced by (1) melting or melting and solidifying a polymerizable compound of formula (R is H or CH3; X is Cl or Br; n is 1 or 2; m is 1-4) which is a bifunctional monomer solid at normal temperature and generally insoluble in other polymerizable liquid compound at high concentration, (2) filling the compound in various molds, and (3) polymerizing under the radiation of light such as ultraviolet ray, visible light, etc. The polymerization is preferably carried out in the presence of <=2wt% of a polymerization accelerator. EFFECT:It has high degree of crosslinking and excellent hardness, and is free from internal strain. USE:Glasses for sight correction etc.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON CONTACT LENSES MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | PREPARATION OF TRANSPARENT RESIN HAVING HIGH REFRACTIVE INDEX |
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