Bio-based cross-linked recyclable polyurethane composite material and preparation method thereof
The invention discloses a bio-based cross-linked recyclable polyurethane composite material and a preparation method thereof. The bio-based cross-linked recyclable polyurethane composite material is prepared from a polyurethane prepolymer containing a diene structure and a bio-based modified polyest...
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| creator | WANG KAI GAO YANSHENG BA LONGHAN |
| description | The invention discloses a bio-based cross-linked recyclable polyurethane composite material and a preparation method thereof. The bio-based cross-linked recyclable polyurethane composite material is prepared from a polyurethane prepolymer containing a diene structure and a bio-based modified polyester cross-linking agent. The polyurethane material is cured through a diene addition reaction, a forward-reversible reaction of a chemical bond is achieved through temperature stimulation, flowing and non-curing at 110-130 DEG C are achieved, curing is achieved at 60-70 DEG C, and the polyurethane material can be recycled after being heated.
本发明公开了一种生物基交联可回收聚氨酯组合料及其制备方法，所述生物基交联可回收聚氨酯组合料包括：含有双烯烃结构的聚氨酯预聚体，和一种生物基改性聚酯交联剂，本发明的聚氨酯材料是通过双烯加成反应实现固化，并通过温度刺激实现化合键的正向-可逆反应，实现110-130℃可流动不固化，在60-70℃固化，加热可回收再利用。 |
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本发明公开了一种生物基交联可回收聚氨酯组合料及其制备方法，所述生物基交联可回收聚氨酯组合料包括：含有双烯烃结构的聚氨酯预聚体，和一种生物基改性聚酯交联剂，本发明的聚氨酯材料是通过双烯加成反应实现固化，并通过温度刺激实现化合键的正向-可逆反应，实现110-130℃可流动不固化，在60-70℃固化，加热可回收再利用。</description><language>chi ; eng</language><subject>CHEMISTRY ; COMPOSITIONS BASED THEREON ; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><creationdate>2020</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=20201023&DB=EPODOC&CC=CN&NR=111808262A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20201023&DB=EPODOC&CC=CN&NR=111808262A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WANG KAI</creatorcontrib><creatorcontrib>GAO YANSHENG</creatorcontrib><creatorcontrib>BA LONGHAN</creatorcontrib><title>Bio-based cross-linked recyclable polyurethane composite material and preparation method thereof</title><description>The invention discloses a bio-based cross-linked recyclable polyurethane composite material and a preparation method thereof. The bio-based cross-linked recyclable polyurethane composite material is prepared from a polyurethane prepolymer containing a diene structure and a bio-based modified polyester cross-linking agent. The polyurethane material is cured through a diene addition reaction, a forward-reversible reaction of a chemical bond is achieved through temperature stimulation, flowing and non-curing at 110-130 DEG C are achieved, curing is achieved at 60-70 DEG C, and the polyurethane material can be recycled after being heated.
本发明公开了一种生物基交联可回收聚氨酯组合料及其制备方法，所述生物基交联可回收聚氨酯组合料包括：含有双烯烃结构的聚氨酯预聚体，和一种生物基改性聚酯交联剂，本发明的聚氨酯材料是通过双烯加成反应实现固化，并通过温度刺激实现化合键的正向-可逆反应，实现110-130℃可流动不固化，在60-70℃固化，加热可回收再利用。</description><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</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>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyjEKwkAQRuE0FqLeYTxAwESQtBoUKyv7ONn8IYu7O8vsWuT2pvAAVo8H37p4XayUPScMZFRSKp0N72UUZjaOeweK4uaPIk8cQEZ8lGQzyHOGWnbEYaCoiKycrQTyC5WB8gSFjNtiNbJL2P26Kfa367O9l4jSIUU2CMhd-6iqqjk09ak-H_8xXyIiPhM</recordid><startdate>20201023</startdate><enddate>20201023</enddate><creator>WANG KAI</creator><creator>GAO YANSHENG</creator><creator>BA LONGHAN</creator><scope>EVB</scope></search><sort><creationdate>20201023</creationdate><title>Bio-based cross-linked recyclable polyurethane composite material and preparation method thereof</title><author>WANG KAI ; GAO YANSHENG ; BA LONGHAN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN111808262A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2020</creationdate><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</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>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>WANG KAI</creatorcontrib><creatorcontrib>GAO YANSHENG</creatorcontrib><creatorcontrib>BA LONGHAN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WANG KAI</au><au>GAO YANSHENG</au><au>BA LONGHAN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Bio-based cross-linked recyclable polyurethane composite material and preparation method thereof</title><date>2020-10-23</date><risdate>2020</risdate><abstract>The invention discloses a bio-based cross-linked recyclable polyurethane composite material and a preparation method thereof. The bio-based cross-linked recyclable polyurethane composite material is prepared from a polyurethane prepolymer containing a diene structure and a bio-based modified polyester cross-linking agent. The polyurethane material is cured through a diene addition reaction, a forward-reversible reaction of a chemical bond is achieved through temperature stimulation, flowing and non-curing at 110-130 DEG C are achieved, curing is achieved at 60-70 DEG C, and the polyurethane material can be recycled after being heated.
本发明公开了一种生物基交联可回收聚氨酯组合料及其制备方法，所述生物基交联可回收聚氨酯组合料包括：含有双烯烃结构的聚氨酯预聚体，和一种生物基改性聚酯交联剂，本发明的聚氨酯材料是通过双烯加成反应实现固化，并通过温度刺激实现化合键的正向-可逆反应，实现110-130℃可流动不固化，在60-70℃固化，加热可回收再利用。</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | Bio-based cross-linked recyclable polyurethane composite material and preparation method thereof |
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