Laminate, optical member, and optical apparatus
The present invention provides a laminate of a void-containing layer and a pressure-sensitive adhesive/adhesive layer that achieves both a pressure-sensitive adhesive force or an adhesive force and a reduction of a tendency of a pressure-sensitive adhesive or an adhesive to penetrate into voids. The...
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| creator | Kishi, Atsushi Hattori, Daisuke Sugino, Akiko Morishima, Ryota |
| description | The present invention provides a laminate of a void-containing layer and a pressure-sensitive adhesive/adhesive layer that achieves both a pressure-sensitive adhesive force or an adhesive force and a reduction of a tendency of a pressure-sensitive adhesive or an adhesive to penetrate into voids. The first laminate of the present invention includes: a void-containing layer (20); and a pressure-sensitive adhesive/adhesive layer (30), wherein the pressure-sensitive adhesive/adhesive layer (30) is directly laminated on one or both sides of the void-containing layer (20), the void-containing layer (20) has a void fraction of 35 vol % or more, and, after a heat/humidification durability test of holding at a temperature of 85° C. and a relative humidity of 85% for 500 hours, a void remaining ratio of the void-containing layer (20) is 50 vol % or more before the heat/humidification durability test. |
| format | Patent |
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The first laminate of the present invention includes: a void-containing layer (20); and a pressure-sensitive adhesive/adhesive layer (30), wherein the pressure-sensitive adhesive/adhesive layer (30) is directly laminated on one or both sides of the void-containing layer (20), the void-containing layer (20) has a void fraction of 35 vol % or more, and, after a heat/humidification durability test of holding at a temperature of 85° C. and a relative humidity of 85% for 500 hours, a void remaining ratio of the void-containing layer (20) is 50 vol % or more before the heat/humidification durability test.</description><language>eng</language><subject>ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ; ADHESIVES ; CHEMISTRY ; DYES ; LAYERED PRODUCTS ; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ; PAINTS ; PERFORMING OPERATIONS ; POLISHES ; TRANSPORTING ; USE OF MATERIALS AS ADHESIVES</subject><creationdate>2022</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=20220823&DB=EPODOC&CC=US&NR=11420413B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220823&DB=EPODOC&CC=US&NR=11420413B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Kishi, Atsushi</creatorcontrib><creatorcontrib>Hattori, Daisuke</creatorcontrib><creatorcontrib>Sugino, Akiko</creatorcontrib><creatorcontrib>Morishima, Ryota</creatorcontrib><title>Laminate, optical member, and optical apparatus</title><description>The present invention provides a laminate of a void-containing layer and a pressure-sensitive adhesive/adhesive layer that achieves both a pressure-sensitive adhesive force or an adhesive force and a reduction of a tendency of a pressure-sensitive adhesive or an adhesive to penetrate into voids. The first laminate of the present invention includes: a void-containing layer (20); and a pressure-sensitive adhesive/adhesive layer (30), wherein the pressure-sensitive adhesive/adhesive layer (30) is directly laminated on one or both sides of the void-containing layer (20), the void-containing layer (20) has a void fraction of 35 vol % or more, and, after a heat/humidification durability test of holding at a temperature of 85° C. and a relative humidity of 85% for 500 hours, a void remaining ratio of the void-containing layer (20) is 50 vol % or more before the heat/humidification durability test.</description><subject>ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE</subject><subject>ADHESIVES</subject><subject>CHEMISTRY</subject><subject>DYES</subject><subject>LAYERED PRODUCTS</subject><subject>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</subject><subject>METALLURGY</subject><subject>MISCELLANEOUS APPLICATIONS OF MATERIALS</subject><subject>MISCELLANEOUS COMPOSITIONS</subject><subject>NATURAL RESINS</subject><subject>NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL</subject><subject>PAINTS</subject><subject>PERFORMING OPERATIONS</subject><subject>POLISHES</subject><subject>TRANSPORTING</subject><subject>USE OF MATERIALS AS ADHESIVES</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZND3SczNzEssSdVRyC8oyUxOzFHITc1NSi3SUUjMS4GLJRYUJBYllpQW8zCwpiXmFKfyQmluBkU31xBnD93Ugvz41OKCxOTUvNSS-NBgQ0MTIwMTQ2MnI2Ni1AAAAXkqoQ</recordid><startdate>20220823</startdate><enddate>20220823</enddate><creator>Kishi, Atsushi</creator><creator>Hattori, Daisuke</creator><creator>Sugino, Akiko</creator><creator>Morishima, Ryota</creator><scope>EVB</scope></search><sort><creationdate>20220823</creationdate><title>Laminate, optical member, and optical apparatus</title><author>Kishi, Atsushi ; Hattori, Daisuke ; Sugino, Akiko ; Morishima, Ryota</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US11420413B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2022</creationdate><topic>ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE</topic><topic>ADHESIVES</topic><topic>CHEMISTRY</topic><topic>DYES</topic><topic>LAYERED PRODUCTS</topic><topic>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</topic><topic>METALLURGY</topic><topic>MISCELLANEOUS APPLICATIONS OF MATERIALS</topic><topic>MISCELLANEOUS COMPOSITIONS</topic><topic>NATURAL RESINS</topic><topic>NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL</topic><topic>PAINTS</topic><topic>PERFORMING OPERATIONS</topic><topic>POLISHES</topic><topic>TRANSPORTING</topic><topic>USE OF MATERIALS AS ADHESIVES</topic><toplevel>online_resources</toplevel><creatorcontrib>Kishi, Atsushi</creatorcontrib><creatorcontrib>Hattori, Daisuke</creatorcontrib><creatorcontrib>Sugino, Akiko</creatorcontrib><creatorcontrib>Morishima, Ryota</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Kishi, Atsushi</au><au>Hattori, Daisuke</au><au>Sugino, Akiko</au><au>Morishima, Ryota</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Laminate, optical member, and optical apparatus</title><date>2022-08-23</date><risdate>2022</risdate><abstract>The present invention provides a laminate of a void-containing layer and a pressure-sensitive adhesive/adhesive layer that achieves both a pressure-sensitive adhesive force or an adhesive force and a reduction of a tendency of a pressure-sensitive adhesive or an adhesive to penetrate into voids. The first laminate of the present invention includes: a void-containing layer (20); and a pressure-sensitive adhesive/adhesive layer (30), wherein the pressure-sensitive adhesive/adhesive layer (30) is directly laminated on one or both sides of the void-containing layer (20), the void-containing layer (20) has a void fraction of 35 vol % or more, and, after a heat/humidification durability test of holding at a temperature of 85° C. and a relative humidity of 85% for 500 hours, a void remaining ratio of the void-containing layer (20) is 50 vol % or more before the heat/humidification durability test.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY DYES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PAINTS PERFORMING OPERATIONS POLISHES TRANSPORTING USE OF MATERIALS AS ADHESIVES |
| title | Laminate, optical member, and optical apparatus |
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