GRADIENT DYEING METHOD OF PLASTIC LENS
PROBLEM TO BE SOLVED: To enhance the dyeing properties of a plastic lens and to enable dyeing having a concn. gradient by immersing a plastic lens in a dyeing aid aq. soln. up to a part where a concn. gradient is desired to be formed to gradually draw up the lens to wash the same and immersing the l...
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| creator | MURATA NAOKI UEKI KENSAKU |
| description | PROBLEM TO BE SOLVED: To enhance the dyeing properties of a plastic lens and to enable dyeing having a concn. gradient by immersing a plastic lens in a dyeing aid aq. soln. up to a part where a concn. gradient is desired to be formed to gradually draw up the lens to wash the same and immersing the lens in a dyeing soln. to dye the same. SOLUTION: When gradient dyeing being dyeing applying a concn. gradient is applied to a plastic lens for glasses, the lens is immersed in a dyeing aid aq. soln. up to a part where a concn. gradient is desired to be formed and gradually drawn up to be washed and this lens is immersed in a dyeing soln. to be dyed. At this time, as the dyeing aid, a compd penetrating into the plastic lens and having affinity to a dye is used and, for example, an alkylnaphthalene type such as methylnaphthalene, a diphenyl type such as diphenyl, a chlorobenzene type such as trichlorobenzene and an alcohol type such as ethylene glycol are designated. The concn. of the dyeing aid of the dyeing aid aq. soln. is pref. 0.1-3.0wt.%. |
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SOLUTION: When gradient dyeing being dyeing applying a concn. gradient is applied to a plastic lens for glasses, the lens is immersed in a dyeing aid aq. soln. up to a part where a concn. gradient is desired to be formed and gradually drawn up to be washed and this lens is immersed in a dyeing soln. to be dyed. At this time, as the dyeing aid, a compd penetrating into the plastic lens and having affinity to a dye is used and, for example, an alkylnaphthalene type such as methylnaphthalene, a diphenyl type such as diphenyl, a chlorobenzene type such as trichlorobenzene and an alcohol type such as ethylene glycol are designated. The concn. of the dyeing aid of the dyeing aid aq. soln. is pref. 0.1-3.0wt.%.</description><edition>6</edition><language>eng</language><subject>APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ; CONTACT LENSES ; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS ; OPTICS ; PERFORMING OPERATIONS ; PHYSICS ; PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL ; SPECTACLES ; SPRAYING OR ATOMISING IN GENERAL ; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES ; TRANSPORTING</subject><creationdate>1998</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=19980113&DB=EPODOC&CC=JP&NR=H105673A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19980113&DB=EPODOC&CC=JP&NR=H105673A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MURATA NAOKI</creatorcontrib><creatorcontrib>UEKI KENSAKU</creatorcontrib><title>GRADIENT DYEING METHOD OF PLASTIC LENS</title><description>PROBLEM TO BE SOLVED: To enhance the dyeing properties of a plastic lens and to enable dyeing having a concn. gradient by immersing a plastic lens in a dyeing aid aq. soln. up to a part where a concn. gradient is desired to be formed to gradually draw up the lens to wash the same and immersing the lens in a dyeing soln. to dye the same. SOLUTION: When gradient dyeing being dyeing applying a concn. gradient is applied to a plastic lens for glasses, the lens is immersed in a dyeing aid aq. soln. up to a part where a concn. gradient is desired to be formed and gradually drawn up to be washed and this lens is immersed in a dyeing soln. to be dyed. At this time, as the dyeing aid, a compd penetrating into the plastic lens and having affinity to a dye is used and, for example, an alkylnaphthalene type such as methylnaphthalene, a diphenyl type such as diphenyl, a chlorobenzene type such as trichlorobenzene and an alcohol type such as ethylene glycol are designated. 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SOLUTION: When gradient dyeing being dyeing applying a concn. gradient is applied to a plastic lens for glasses, the lens is immersed in a dyeing aid aq. soln. up to a part where a concn. gradient is desired to be formed and gradually drawn up to be washed and this lens is immersed in a dyeing soln. to be dyed. At this time, as the dyeing aid, a compd penetrating into the plastic lens and having affinity to a dye is used and, for example, an alkylnaphthalene type such as methylnaphthalene, a diphenyl type such as diphenyl, a chlorobenzene type such as trichlorobenzene and an alcohol type such as ethylene glycol are designated. The concn. of the dyeing aid of the dyeing aid aq. soln. is pref. 0.1-3.0wt.%.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL CONTACT LENSES OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPECTACLES SPRAYING OR ATOMISING IN GENERAL SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES TRANSPORTING |
| title | GRADIENT DYEING METHOD OF PLASTIC LENS |
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