Core-shell polyamide powder
The invention relates to seeded particles of polyamide (PA) powder. The seeded particles comprise a shell made of PA6, PA12 or PA6/12 and a core made of PA6, PA11, PA12, PA6/12, Pa6.12, PA6.6, PA8 or PA4. The core and the core can be polyamides with same properties and different molecular weights or...
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| creator | SENFF HOLGER |
| description | The invention relates to seeded particles of polyamide (PA) powder. The seeded particles comprise a shell made of PA6, PA12 or PA6/12 and a core made of PA6, PA11, PA12, PA6/12, Pa6.12, PA6.6, PA8 or PA4. The core and the core can be polyamides with same properties and different molecular weights or polyamides with different properties. The melting temperature Tf1 of the shell, the crystallization temperature Tc1 of the shell, the melting temperature Tf2 of the core and the crystallization temperature Tc2 of the core of the particles are characterized in that: the absolute value difference of Tf1-Tc1 and/or Tf2-Tc2 are larger than the absolute value difference between the melting temperature and the crystallization temperature of powder particles which are seeded by an inorganic filler and the shell of which is made of PA6, Pa12 or Pa6/12. |
| format | Patent |
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The core and the core can be polyamides with same properties and different molecular weights or polyamides with different properties. The melting temperature Tf1 of the shell, the crystallization temperature Tc1 of the shell, the melting temperature Tf2 of the core and the crystallization temperature Tc2 of the core of the particles are characterized in that: the absolute value difference of Tf1-Tc1 and/or Tf2-Tc2 are larger than the absolute value difference between the melting temperature and the crystallization temperature of powder particles which are seeded by an inorganic filler and the shell of which is made of PA6, Pa12 or Pa6/12.</description><language>eng</language><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS ; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PERFORMING OPERATIONS ; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR ; SHAPING OR JOINING OF PLASTICS ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; TRANSPORTING ; WORKING OF PLASTICS ; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><creationdate>2015</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=20150429&DB=EPODOC&CC=CN&NR=104558592A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150429&DB=EPODOC&CC=CN&NR=104558592A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SENFF HOLGER</creatorcontrib><title>Core-shell polyamide powder</title><description>The invention relates to seeded particles of polyamide (PA) powder. The seeded particles comprise a shell made of PA6, PA12 or PA6/12 and a core made of PA6, PA11, PA12, PA6/12, Pa6.12, PA6.6, PA8 or PA4. The core and the core can be polyamides with same properties and different molecular weights or polyamides with different properties. The melting temperature Tf1 of the shell, the crystallization temperature Tc1 of the shell, the melting temperature Tf2 of the core and the crystallization temperature Tc2 of the core of the particles are characterized in that: the absolute value difference of Tf1-Tc1 and/or Tf2-Tc2 are larger than the absolute value difference between the melting temperature and the crystallization temperature of powder particles which are seeded by an inorganic filler and the shell of which is made of PA6, Pa12 or Pa6/12.</description><subject>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</subject><subject>INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS</subject><subject>METALLURGY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>PERFORMING OPERATIONS</subject><subject>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</subject><subject>SHAPING OR JOINING OF PLASTICS</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>TRANSPORTING</subject><subject>WORKING OF PLASTICS</subject><subject>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJB2zi9K1S3OSM3JUSjIz6lMzM1MSQWyylNSi3gYWNMSc4pTeaE0N4Oim2uIs4duakF-fGpxQWJyal5qSbyzn6GBiamphamlkaMxMWoAdegjcw</recordid><startdate>20150429</startdate><enddate>20150429</enddate><creator>SENFF HOLGER</creator><scope>EVB</scope></search><sort><creationdate>20150429</creationdate><title>Core-shell polyamide powder</title><author>SENFF HOLGER</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN104558592A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2015</creationdate><topic>AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</topic><topic>INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>PERFORMING OPERATIONS</topic><topic>SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR</topic><topic>SHAPING OR JOINING OF PLASTICS</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>TRANSPORTING</topic><topic>WORKING OF PLASTICS</topic><topic>WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL</topic><toplevel>online_resources</toplevel><creatorcontrib>SENFF HOLGER</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SENFF HOLGER</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Core-shell polyamide powder</title><date>2015-04-29</date><risdate>2015</risdate><abstract>The invention relates to seeded particles of polyamide (PA) powder. The seeded particles comprise a shell made of PA6, PA12 or PA6/12 and a core made of PA6, PA11, PA12, PA6/12, Pa6.12, PA6.6, PA8 or PA4. The core and the core can be polyamides with same properties and different molecular weights or polyamides with different properties. The melting temperature Tf1 of the shell, the crystallization temperature Tc1 of the shell, the melting temperature Tf2 of the core and the crystallization temperature Tc2 of the core of the particles are characterized in that: the absolute value difference of Tf1-Tc1 and/or Tf2-Tc2 are larger than the absolute value difference between the melting temperature and the crystallization temperature of powder particles which are seeded by an inorganic filler and the shell of which is made of PA6, Pa12 or Pa6/12.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| source | esp@cenet |
| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | Core-shell polyamide powder |
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