Flexible tubing having a stable flow rate and methods for making and using it
The present disclosure relates generally to flexible tubing, for example, suitable for use in peristaltic pumps. The present disclosure relates more particularly to flexible tubing having a stable flow rate despite being extruded from thermoplastic polymer and methods for making such tubing. In one...
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| creator | White, Mark T Golub, Charles S Lei, Lily Ling, Gerald H Becker, Joshua Lennon, Heidi Sardinha |
| description | The present disclosure relates generally to flexible tubing, for example, suitable for use in peristaltic pumps. The present disclosure relates more particularly to flexible tubing having a stable flow rate despite being extruded from thermoplastic polymer and methods for making such tubing. In one aspect, at least 50% of the material volume of a flexible tubing of the disclosure is formed from a first polymer material that includes a continuous phase that includes polypropylene and a non-cross-linked styrene block copolymer elastomer miscible with the polypropylene, as well as, dispersed within the continuous phase (e.g., discontinuously dispersed within the continuous phase), a cross-linked rubber phase. The non-cross-linked styrene block copolymer elastomer is present in the first polymeric material in an amount in the range of 2 wt % to 15 wt %. In certain desirable embodiments of the flexible tubings described herein, the flexible tubing has a flow rate variation over the 480 hours of use of less than 20%. |
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| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_US10578093B2</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>US10578093B2</sourcerecordid><originalsourceid>FETCH-epo_espacenet_US10578093B23</originalsourceid><addsrcrecordid>eNrjZPB1y0mtyEzKSVUoKU3KzEtXyEgsA1GJCsUliSDhtJz8coWixJJUhcS8FIXc1JKM_JRihbT8IoXcxGywSqBwaTGIlVnCw8CalphTnMoLpbkZFN1cQ5w9dFML8uNTiwsSk1PzUkviQ4MNDUzNLQwsjZ2MjIlRAwCCFDWW</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>Flexible tubing having a stable flow rate and methods for making and using it</title><source>esp@cenet</source><creator>White, Mark T ; Golub, Charles S ; Lei, Lily ; Ling, Gerald H ; Becker, Joshua ; Lennon, Heidi Sardinha</creator><creatorcontrib>White, Mark T ; Golub, Charles S ; Lei, Lily ; Ling, Gerald H ; Becker, Joshua ; Lennon, Heidi Sardinha</creatorcontrib><description>The present disclosure relates generally to flexible tubing, for example, suitable for use in peristaltic pumps. The present disclosure relates more particularly to flexible tubing having a stable flow rate despite being extruded from thermoplastic polymer and methods for making such tubing. In one aspect, at least 50% of the material volume of a flexible tubing of the disclosure is formed from a first polymer material that includes a continuous phase that includes polypropylene and a non-cross-linked styrene block copolymer elastomer miscible with the polypropylene, as well as, dispersed within the continuous phase (e.g., discontinuously dispersed within the continuous phase), a cross-linked rubber phase. The non-cross-linked styrene block copolymer elastomer is present in the first polymeric material in an amount in the range of 2 wt % to 15 wt %. In certain desirable embodiments of the flexible tubings described herein, the flexible tubing has a flow rate variation over the 480 hours of use of less than 20%.</description><language>eng</language><subject>BLASTING ; CHEMISTRY ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; ENGINEERING ELEMENTS AND UNITS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; JOINTS OR FITTINGS FOR PIPES ; LAYERED PRODUCTS ; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM ; LIGHTING ; MEANS FOR THERMAL INSULATION IN GENERAL ; MECHANICAL ENGINEERING ; METALLURGY ; ORGANIC MACROMOLECULAR COMPOUNDS ; PERFORMING OPERATIONS ; PIPES ; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS ; PUMPS ; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; THERMAL INSULATION IN GENERAL ; TRANSPORTING ; WEAPONS</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=20200303&DB=EPODOC&CC=US&NR=10578093B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200303&DB=EPODOC&CC=US&NR=10578093B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>White, Mark T</creatorcontrib><creatorcontrib>Golub, Charles S</creatorcontrib><creatorcontrib>Lei, Lily</creatorcontrib><creatorcontrib>Ling, Gerald H</creatorcontrib><creatorcontrib>Becker, Joshua</creatorcontrib><creatorcontrib>Lennon, Heidi Sardinha</creatorcontrib><title>Flexible tubing having a stable flow rate and methods for making and using it</title><description>The present disclosure relates generally to flexible tubing, for example, suitable for use in peristaltic pumps. The present disclosure relates more particularly to flexible tubing having a stable flow rate despite being extruded from thermoplastic polymer and methods for making such tubing. In one aspect, at least 50% of the material volume of a flexible tubing of the disclosure is formed from a first polymer material that includes a continuous phase that includes polypropylene and a non-cross-linked styrene block copolymer elastomer miscible with the polypropylene, as well as, dispersed within the continuous phase (e.g., discontinuously dispersed within the continuous phase), a cross-linked rubber phase. The non-cross-linked styrene block copolymer elastomer is present in the first polymeric material in an amount in the range of 2 wt % to 15 wt %. In certain desirable embodiments of the flexible tubings described herein, the flexible tubing has a flow rate variation over the 480 hours of use of less than 20%.</description><subject>BLASTING</subject><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>JOINTS OR FITTINGS FOR PIPES</subject><subject>LAYERED PRODUCTS</subject><subject>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</subject><subject>LIGHTING</subject><subject>MEANS FOR THERMAL INSULATION IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>METALLURGY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>PERFORMING OPERATIONS</subject><subject>PIPES</subject><subject>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</subject><subject>PUMPS</subject><subject>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</subject><subject>SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>TRANSPORTING</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZPB1y0mtyEzKSVUoKU3KzEtXyEgsA1GJCsUliSDhtJz8coWixJJUhcS8FIXc1JKM_JRihbT8IoXcxGywSqBwaTGIlVnCw8CalphTnMoLpbkZFN1cQ5w9dFML8uNTiwsSk1PzUkviQ4MNDUzNLQwsjZ2MjIlRAwCCFDWW</recordid><startdate>20200303</startdate><enddate>20200303</enddate><creator>White, Mark T</creator><creator>Golub, Charles S</creator><creator>Lei, Lily</creator><creator>Ling, Gerald H</creator><creator>Becker, Joshua</creator><creator>Lennon, Heidi Sardinha</creator><scope>EVB</scope></search><sort><creationdate>20200303</creationdate><title>Flexible tubing having a stable flow rate and methods for making and using it</title><author>White, Mark T ; Golub, Charles S ; Lei, Lily ; Ling, Gerald H ; Becker, Joshua ; Lennon, Heidi Sardinha</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US10578093B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2020</creationdate><topic>BLASTING</topic><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>COMPOSITIONS OF MACROMOLECULAR COMPOUNDS</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>JOINTS OR FITTINGS FOR PIPES</topic><topic>LAYERED PRODUCTS</topic><topic>LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM</topic><topic>LIGHTING</topic><topic>MEANS FOR THERMAL INSULATION IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>PERFORMING OPERATIONS</topic><topic>PIPES</topic><topic>POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS</topic><topic>PUMPS</topic><topic>PUMPS FOR LIQUIDS OR ELASTIC FLUIDS</topic><topic>SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>TRANSPORTING</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>White, Mark T</creatorcontrib><creatorcontrib>Golub, Charles S</creatorcontrib><creatorcontrib>Lei, Lily</creatorcontrib><creatorcontrib>Ling, Gerald H</creatorcontrib><creatorcontrib>Becker, Joshua</creatorcontrib><creatorcontrib>Lennon, Heidi Sardinha</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>White, Mark T</au><au>Golub, Charles S</au><au>Lei, Lily</au><au>Ling, Gerald H</au><au>Becker, Joshua</au><au>Lennon, Heidi Sardinha</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Flexible tubing having a stable flow rate and methods for making and using it</title><date>2020-03-03</date><risdate>2020</risdate><abstract>The present disclosure relates generally to flexible tubing, for example, suitable for use in peristaltic pumps. The present disclosure relates more particularly to flexible tubing having a stable flow rate despite being extruded from thermoplastic polymer and methods for making such tubing. In one aspect, at least 50% of the material volume of a flexible tubing of the disclosure is formed from a first polymer material that includes a continuous phase that includes polypropylene and a non-cross-linked styrene block copolymer elastomer miscible with the polypropylene, as well as, dispersed within the continuous phase (e.g., discontinuously dispersed within the continuous phase), a cross-linked rubber phase. The non-cross-linked styrene block copolymer elastomer is present in the first polymeric material in an amount in the range of 2 wt % to 15 wt %. In certain desirable embodiments of the flexible tubings described herein, the flexible tubing has a flow rate variation over the 480 hours of use of less than 20%.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PIPES POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THEIR PREPARATION OR CHEMICAL WORKING-UP THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS |
| title | Flexible tubing having a stable flow rate and methods for making and using it |
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