Orientation of curatives by incorporation of cure package into fibers
Forming domains of high crosslinking density in an elastomer matrix comprises: (a) loading a carrier having a m.pt. above the mixing temp. of a green elastomer and below the curing temp. of the green elastomer, with 10-40 wt.% curing agents; (b) forming the carrier into fibres having a dia. of 0.001...
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| creator | HAHN, BRUCE RAYMOND TWEEDIE, JUDITH ANNE |
| description | Forming domains of high crosslinking density in an elastomer matrix comprises: (a) loading a carrier having a m.pt. above the mixing temp. of a green elastomer and below the curing temp. of the green elastomer, with 10-40 wt.% curing agents; (b) forming the carrier into fibres having a dia. of 0.001-0.050 ins. and an aspect ratio of 1-100; (c) mixing the fibres with a green elastomer; and (d) curing the elastomer and causing the diffusion of the curatives from the fibres into the elastomer. Pref. the carrier is a polyalkylene opt. substd. with -F, -Cl, -Br, -I, -OCH3, phenyl or methyl. The curing agents comprise S, amine accelerators, sulphenamide accelerators, mono- and di-sulphide accelerators, stearic acid and/or ZnO. The elastomer is a rubber selected from SBR, polybutadiene, 1,4-polyisoprene and/or nitrile rubber. The domains have an aspect ratio of 1-80 and comprise 1-20 vol.% of the matrix. Pref. the amt. of fibres mixed with the green elastomer is 1-20 phr. During the mixing step, the fibres are pref. oriented to cause orientation of the domains, wherein the oriented domains cause an increase of 20-50% in the 50% modulus over the same compsn. without the oriented domains. |
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Pref. the carrier is a polyalkylene opt. substd. with -F, -Cl, -Br, -I, -OCH3, phenyl or methyl. The curing agents comprise S, amine accelerators, sulphenamide accelerators, mono- and di-sulphide accelerators, stearic acid and/or ZnO. The elastomer is a rubber selected from SBR, polybutadiene, 1,4-polyisoprene and/or nitrile rubber. The domains have an aspect ratio of 1-80 and comprise 1-20 vol.% of the matrix. Pref. the amt. of fibres mixed with the green elastomer is 1-20 phr. During the mixing step, the fibres are pref. oriented to cause orientation of the domains, wherein the oriented domains cause an increase of 20-50% in the 50% modulus over the same compsn. without the oriented domains.</description><edition>5</edition><language>eng ; fre ; ger</language><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR ; GENERAL PROCESSES OF COMPOUNDING ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; LAUNDERING ; MAKING GRANULES OR PREFORMS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PERFORMING OPERATIONS ; PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED ; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS ; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR ; SHAPING OR JOINING OF PLASTICS ; TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ; TECHNICAL SUBJECTS COVERED BY FORMER USPC ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TEXTILES ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; TRANSPORTING ; TREATMENT OF TEXTILES OR THE LIKE ; TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS ; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS ; WORKING OF PLASTICS ; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL ; WORKING-UP</subject><creationdate>1994</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=19941109&DB=EPODOC&CC=EP&NR=0623645A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19941109&DB=EPODOC&CC=EP&NR=0623645A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HAHN, BRUCE RAYMOND</creatorcontrib><creatorcontrib>TWEEDIE, JUDITH ANNE</creatorcontrib><title>Orientation of curatives by incorporation of cure package into fibers</title><description>Forming domains of high crosslinking density in an elastomer matrix comprises: (a) loading a carrier having a m.pt. above the mixing temp. of a green elastomer and below the curing temp. of the green elastomer, with 10-40 wt.% curing agents; (b) forming the carrier into fibres having a dia. of 0.001-0.050 ins. and an aspect ratio of 1-100; (c) mixing the fibres with a green elastomer; and (d) curing the elastomer and causing the diffusion of the curatives from the fibres into the elastomer. Pref. the carrier is a polyalkylene opt. substd. with -F, -Cl, -Br, -I, -OCH3, phenyl or methyl. The curing agents comprise S, amine accelerators, sulphenamide accelerators, mono- and di-sulphide accelerators, stearic acid and/or ZnO. The elastomer is a rubber selected from SBR, polybutadiene, 1,4-polyisoprene and/or nitrile rubber. The domains have an aspect ratio of 1-80 and comprise 1-20 vol.% of the matrix. Pref. the amt. of fibres mixed with the green elastomer is 1-20 phr. 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TWEEDIE, JUDITH ANNE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP0623645A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>1994</creationdate><topic>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G</topic><topic>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR</topic><topic>GENERAL PROCESSES OF COMPOUNDING</topic><topic>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>LAUNDERING</topic><topic>MAKING GRANULES OR PREFORMS</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>PERFORMING OPERATIONS</topic><topic>PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED</topic><topic>RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS</topic><topic>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</topic><topic>SHAPING OR JOINING OF PLASTICS</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>TEXTILES</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF TEXTILES OR THE LIKE</topic><topic>TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS</topic><topic>USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS</topic><topic>WORKING OF PLASTICS</topic><topic>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</topic><topic>WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>HAHN, BRUCE RAYMOND</creatorcontrib><creatorcontrib>TWEEDIE, JUDITH ANNE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HAHN, BRUCE RAYMOND</au><au>TWEEDIE, JUDITH ANNE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Orientation of curatives by incorporation of cure package into fibers</title><date>1994-11-09</date><risdate>1994</risdate><abstract>Forming domains of high crosslinking density in an elastomer matrix comprises: (a) loading a carrier having a m.pt. above the mixing temp. of a green elastomer and below the curing temp. of the green elastomer, with 10-40 wt.% curing agents; (b) forming the carrier into fibres having a dia. of 0.001-0.050 ins. and an aspect ratio of 1-100; (c) mixing the fibres with a green elastomer; and (d) curing the elastomer and causing the diffusion of the curatives from the fibres into the elastomer. Pref. the carrier is a polyalkylene opt. substd. with -F, -Cl, -Br, -I, -OCH3, phenyl or methyl. The curing agents comprise S, amine accelerators, sulphenamide accelerators, mono- and di-sulphide accelerators, stearic acid and/or ZnO. The elastomer is a rubber selected from SBR, polybutadiene, 1,4-polyisoprene and/or nitrile rubber. The domains have an aspect ratio of 1-80 and comprise 1-20 vol.% of the matrix. Pref. the amt. of fibres mixed with the green elastomer is 1-20 phr. During the mixing step, the fibres are pref. oriented to cause orientation of the domains, wherein the oriented domains cause an increase of 20-50% in the 50% modulus over the same compsn. without the oriented domains.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR GENERAL PROCESSES OF COMPOUNDING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS LAUNDERING MAKING GRANULES OR PREFORMS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TREATMENT OF TEXTILES OR THE LIKE TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP |
| title | Orientation of curatives by incorporation of cure package into fibers |
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