New Insights into Lamellar Twisting in Transcrystalline Polyethylene
The morphology of the transcrystalline layer grown by nucleating high density polyethylene on fibers of ultra high molecular weight polyethylene was investigated by microbeam synchrotron X‐ray diffraction. Scanning with a 2 micron step size, it was possible to determine that near the fiber surface,...
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| Veröffentlicht in: | Macromolecular chemistry and physics 2005-06, Vol.206 (12), p.1183-1189 |
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| container_title | Macromolecular chemistry and physics |
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| creator | Ratner, Stanislav Moret, P. Mona Wachtel, Ellen Marom, Gad |
| description | The morphology of the transcrystalline layer grown by nucleating high density polyethylene on fibers of ultra high molecular weight polyethylene was investigated by microbeam synchrotron X‐ray diffraction. Scanning with a 2 micron step size, it was possible to determine that near the fiber surface, the polymer chains of the transcrystalline layer are oriented at an angle of approx. 41° with respect to the fiber axis. This is consistent with the lamellar fold surface (the {201} plane) being close to perpendicular to the fiber axis. The X‐ray data support gradual twisting of the lamellae about the growth direction (the orthorhombic crystallite b‐axis) at a rate of ∼0.85° per micron of radial distance from the fiber surface.
Polarized light micrograph of the transcrystalline layer in a PE/PE composite. The width of the fiber is approximately 20 μm. |
| doi_str_mv | 10.1002/macp.200400475 |
| format | Article |
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Polarized light micrograph of the transcrystalline layer in a PE/PE composite. The width of the fiber is approximately 20 μm.</description><subject>Applied sciences</subject><subject>Composites</subject><subject>Exact sciences and technology</subject><subject>Forms of application and semi-finished materials</subject><subject>lamellar twisting</subject><subject>PE/PE composite</subject><subject>Polymer industry, paints, wood</subject><subject>synchrotron</subject><subject>Technology of polymers</subject><subject>transcrystalline layer</subject><issn>1022-1352</issn><issn>1521-3935</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNqFkM9LwzAUx4MoOKdXz7147EyTpmmOW9U5qHOHibBLyNJki2bdSAq1_70ZlelNePAej-_n_fgCcJvAUQIhut8JeRghCNMQlJyBQUJQEmOGyXmoIUJxggm6BFfef0AIc8joADzMVRvNam8228ZHpm72USl2ylrhomVrfGPqTWhHSydqL13nG2GtqVW02NtONdvOqlpdgwstrFc3P3kI3p4el8VzXL5OZ8W4jCUmlMQpZFW4AKNKU8TWmCkmKikp0VqzJFWQMEl1JSDLjtehVKX5WsOUUJxRVCk8BKN-rnR7753S_ODMTriOJ5AfPeBHD_jJgwDc9cBBeCmsDk9I43-pLKcoRyjoWK9rjVXdP1P5y7hY_N0R92wwS32dWOE-eUZxkL_Pp7ycsGK1mqQ8w99wGXyx</recordid><startdate>20050616</startdate><enddate>20050616</enddate><creator>Ratner, Stanislav</creator><creator>Moret, P. Mona</creator><creator>Wachtel, Ellen</creator><creator>Marom, Gad</creator><general>WILEY-VCH Verlag</general><general>WILEY‐VCH Verlag</general><general>Wiley</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20050616</creationdate><title>New Insights into Lamellar Twisting in Transcrystalline Polyethylene</title><author>Ratner, Stanislav ; Moret, P. Mona ; Wachtel, Ellen ; Marom, Gad</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3575-409d35232df729b39e9adcc75fff914e059c7fda096080924e48bf04573672de3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Applied sciences</topic><topic>Composites</topic><topic>Exact sciences and technology</topic><topic>Forms of application and semi-finished materials</topic><topic>lamellar twisting</topic><topic>PE/PE composite</topic><topic>Polymer industry, paints, wood</topic><topic>synchrotron</topic><topic>Technology of polymers</topic><topic>transcrystalline layer</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ratner, Stanislav</creatorcontrib><creatorcontrib>Moret, P. Mona</creatorcontrib><creatorcontrib>Wachtel, Ellen</creatorcontrib><creatorcontrib>Marom, Gad</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>Macromolecular chemistry and physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ratner, Stanislav</au><au>Moret, P. Mona</au><au>Wachtel, Ellen</au><au>Marom, Gad</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>New Insights into Lamellar Twisting in Transcrystalline Polyethylene</atitle><jtitle>Macromolecular chemistry and physics</jtitle><addtitle>Macromol. Chem. Phys</addtitle><date>2005-06-16</date><risdate>2005</risdate><volume>206</volume><issue>12</issue><spage>1183</spage><epage>1189</epage><pages>1183-1189</pages><issn>1022-1352</issn><eissn>1521-3935</eissn><abstract>The morphology of the transcrystalline layer grown by nucleating high density polyethylene on fibers of ultra high molecular weight polyethylene was investigated by microbeam synchrotron X‐ray diffraction. Scanning with a 2 micron step size, it was possible to determine that near the fiber surface, the polymer chains of the transcrystalline layer are oriented at an angle of approx. 41° with respect to the fiber axis. This is consistent with the lamellar fold surface (the {201} plane) being close to perpendicular to the fiber axis. The X‐ray data support gradual twisting of the lamellae about the growth direction (the orthorhombic crystallite b‐axis) at a rate of ∼0.85° per micron of radial distance from the fiber surface.
Polarized light micrograph of the transcrystalline layer in a PE/PE composite. The width of the fiber is approximately 20 μm.</abstract><cop>Weinheim</cop><pub>WILEY-VCH Verlag</pub><doi>10.1002/macp.200400475</doi><tpages>7</tpages></addata></record> |
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| ispartof | Macromolecular chemistry and physics, 2005-06, Vol.206 (12), p.1183-1189 |
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| source | Wiley-Blackwell Journals |
| subjects | Applied sciences Composites Exact sciences and technology Forms of application and semi-finished materials lamellar twisting PE/PE composite Polymer industry, paints, wood synchrotron Technology of polymers transcrystalline layer |
| title | New Insights into Lamellar Twisting in Transcrystalline Polyethylene |
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