METHOD OF MAKING SANITARY PAPER PRODUCTS FROM RECYCLED NEWSPAPERS
A method of making sanitary paper products from recycled newspapers. The method includes the steps of: (a) pulping newspapers in water with agitation to produce a pulp slurry, the pulp from the newspapers having an average fines content of greater than about 40 % and a Canadian Standard Freeness of...
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| creator | LAKHANI, NAUMAN NOORALI HSU, JAY CHIEHLUNG |
| description | A method of making sanitary paper products from recycled newspapers. The method includes the steps of: (a) pulping newspapers in water with agitation to produce a pulp slurry, the pulp from the newspapers having an average fines content of greater than about 40 % and a Canadian Standard Freeness of less than about 250; (b) washing the pulp, whereby the fines content is reduced to less than about 35 % and the Canadian Standard Freeness is increased to more than about 300; (c) introducing the treated pulp at a papermaking consistency into the headbox of a paper making machine; (d) adding from about 0.01 % to about 1.5 % of a surfactant system to the treated pulp; and (e) utilizing the treated pulp in a paper making process to produce sanitary paper products. |
| format | Patent |
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The method includes the steps of: (a) pulping newspapers in water with agitation to produce a pulp slurry, the pulp from the newspapers having an average fines content of greater than about 40 % and a Canadian Standard Freeness of less than about 250; (b) washing the pulp, whereby the fines content is reduced to less than about 35 % and the Canadian Standard Freeness is increased to more than about 300; (c) introducing the treated pulp at a papermaking consistency into the headbox of a paper making machine; (d) adding from about 0.01 % to about 1.5 % of a surfactant system to the treated pulp; and (e) utilizing the treated pulp in a paper making process to produce sanitary paper products.</description><edition>6</edition><language>eng ; fre</language><subject>APPARATUS THEREFOR ; FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT ; IMPREGNATING OR COATING OF PAPER ; METHODS OF PRODUCING PAPER THEREON ; PAPER NOT OTHERWISE PROVIDED FOR ; PAPER-MAKING ; PAPER-MAKING MACHINES ; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D ; PRODUCTION OF CELLULOSE ; PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS ; PULP COMPOSITIONS ; REGENERATION OF PULPING LIQUORS ; TEXTILES ; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G</subject><creationdate>1998</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=19980604&DB=EPODOC&CC=CA&NR=2270424A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19980604&DB=EPODOC&CC=CA&NR=2270424A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LAKHANI, NAUMAN NOORALI</creatorcontrib><creatorcontrib>HSU, JAY CHIEHLUNG</creatorcontrib><title>METHOD OF MAKING SANITARY PAPER PRODUCTS FROM RECYCLED NEWSPAPERS</title><description>A method of making sanitary paper products from recycled newspapers. The method includes the steps of: (a) pulping newspapers in water with agitation to produce a pulp slurry, the pulp from the newspapers having an average fines content of greater than about 40 % and a Canadian Standard Freeness of less than about 250; (b) washing the pulp, whereby the fines content is reduced to less than about 35 % and the Canadian Standard Freeness is increased to more than about 300; (c) introducing the treated pulp at a papermaking consistency into the headbox of a paper making machine; (d) adding from about 0.01 % to about 1.5 % of a surfactant system to the treated pulp; and (e) utilizing the treated pulp in a paper making process to produce sanitary paper products.</description><subject>APPARATUS THEREFOR</subject><subject>FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT</subject><subject>IMPREGNATING OR COATING OF PAPER</subject><subject>METHODS OF PRODUCING PAPER THEREON</subject><subject>PAPER NOT OTHERWISE PROVIDED FOR</subject><subject>PAPER-MAKING</subject><subject>PAPER-MAKING MACHINES</subject><subject>PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D</subject><subject>PRODUCTION OF CELLULOSE</subject><subject>PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS</subject><subject>PULP COMPOSITIONS</subject><subject>REGENERATION OF PULPING LIQUORS</subject><subject>TEXTILES</subject><subject>TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1998</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHD0dQ3x8HdR8HdT8HX09vRzVwh29PMMcQyKVAhwDHANUggI8ncJdQ4JVnAL8vdVCHJ1jnT2cXVR8HMNDwYrCOZhYE1LzClO5YXS3AwKbq4hzh66qQX58anFBYnJqXmpJfHOjkZG5gYmRiaOhsZEKAEAieUqgw</recordid><startdate>19980604</startdate><enddate>19980604</enddate><creator>LAKHANI, NAUMAN NOORALI</creator><creator>HSU, JAY CHIEHLUNG</creator><scope>EVB</scope></search><sort><creationdate>19980604</creationdate><title>METHOD OF MAKING SANITARY PAPER PRODUCTS FROM RECYCLED NEWSPAPERS</title><author>LAKHANI, NAUMAN NOORALI ; HSU, JAY CHIEHLUNG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CA2270424A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>1998</creationdate><topic>APPARATUS THEREFOR</topic><topic>FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT</topic><topic>IMPREGNATING OR COATING OF PAPER</topic><topic>METHODS OF PRODUCING PAPER THEREON</topic><topic>PAPER NOT OTHERWISE PROVIDED FOR</topic><topic>PAPER-MAKING</topic><topic>PAPER-MAKING MACHINES</topic><topic>PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D</topic><topic>PRODUCTION OF CELLULOSE</topic><topic>PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS</topic><topic>PULP COMPOSITIONS</topic><topic>REGENERATION OF PULPING LIQUORS</topic><topic>TEXTILES</topic><topic>TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G</topic><toplevel>online_resources</toplevel><creatorcontrib>LAKHANI, NAUMAN NOORALI</creatorcontrib><creatorcontrib>HSU, JAY CHIEHLUNG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LAKHANI, NAUMAN NOORALI</au><au>HSU, JAY CHIEHLUNG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD OF MAKING SANITARY PAPER PRODUCTS FROM RECYCLED NEWSPAPERS</title><date>1998-06-04</date><risdate>1998</risdate><abstract>A method of making sanitary paper products from recycled newspapers. The method includes the steps of: (a) pulping newspapers in water with agitation to produce a pulp slurry, the pulp from the newspapers having an average fines content of greater than about 40 % and a Canadian Standard Freeness of less than about 250; (b) washing the pulp, whereby the fines content is reduced to less than about 35 % and the Canadian Standard Freeness is increased to more than about 300; (c) introducing the treated pulp at a papermaking consistency into the headbox of a paper making machine; (d) adding from about 0.01 % to about 1.5 % of a surfactant system to the treated pulp; and (e) utilizing the treated pulp in a paper making process to produce sanitary paper products.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre |
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| subjects | APPARATUS THEREFOR FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT IMPREGNATING OR COATING OF PAPER METHODS OF PRODUCING PAPER THEREON PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PAPER-MAKING MACHINES PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS PULP COMPOSITIONS REGENERATION OF PULPING LIQUORS TEXTILES TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G |
| title | METHOD OF MAKING SANITARY PAPER PRODUCTS FROM RECYCLED NEWSPAPERS |
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