GB902788A - Cellulosic web - Google Patents

Cellulosic web

Info

Publication number
GB902788A
GB902788A GB24703/60A GB2470360A GB902788A GB 902788 A GB902788 A GB 902788A GB 24703/60 A GB24703/60 A GB 24703/60A GB 2470360 A GB2470360 A GB 2470360A GB 902788 A GB902788 A GB 902788A
Authority
GB
United Kingdom
Prior art keywords
weight
methyl methacrylate
emulsion
fibres
web
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB24703/60A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by American Cyanamid Co filed Critical American Cyanamid Co
Publication of GB902788A publication Critical patent/GB902788A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/18—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only forming new compounds in situ, e.g. within the pulp or paper, by chemical reaction with itself, or other added substances, e.g. by grafting on the fibres
    • D21H17/19—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only forming new compounds in situ, e.g. within the pulp or paper, by chemical reaction with itself, or other added substances, e.g. by grafting on the fibres by reactions only involving carbon-to-carbon unsaturated bonds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
    • Y10S8/18—Grafting textile fibers

Abstract

A web is composed of waterlaid papermaking cellulose fibres uniformly carrying on at least the surface of the fibres between 25% and 300% based on the weight of the fibres and preferably 50%-150%, of polymerized methyl methacrylate directly connected to the cellulose by a carbon-to-carbon linkage. The web may include up to about 15% by weight of the methyl methacrylate present of a reacted content of other polymers, such as acrylonitrile methyl and ethyl acrylate, vinyl chloride and vinylidene chloride units. According to an example, a stock emulsion, prepared by emulsifying 6,5 parts by weight of monomeric methyl methacrylate in 100 parts of water containing 0,05% by weight of dimethyloctadecyl benzyl ammonium chloride and purged of air by nitrogen, was run into a closed treating vessel containing paper supported on a stainless steel rod, the amount of emulsion containing several times the weight of methyl methacrylate to be reacted. Ceric ammonium sulphate catalyst solution was run in with gentle agitation in such amount as to make the emulsion 0,005 molar in ceric ion, the pH was reduced below 2 by addition of nitric acid, and the contents of the vessel were gently agitated. Reaction times of 10, 15, 30 and 70 minutes employed in four experiments yielded paper containing 56, 100, 193 and 280% of its weight of methyl methacrylate. Other catalysts mentioned are ceric ammonium nitrate and cobaltic sulphate. Specification 886,552 is referred to.
GB24703/60A 1959-08-04 1960-07-15 Cellulosic web Expired GB902788A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US831495A US3081143A (en) 1959-08-04 1959-08-04 Stiff, strong paper

Publications (1)

Publication Number Publication Date
GB902788A true GB902788A (en) 1962-08-09

Family

ID=25259190

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24703/60A Expired GB902788A (en) 1959-08-04 1960-07-15 Cellulosic web

Country Status (2)

Country Link
US (1) US3081143A (en)
GB (1) GB902788A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3533725A (en) * 1954-07-23 1970-10-13 Tee Pak Inc Wood fibers with polymer deposited therein
US3232823A (en) * 1962-05-02 1966-02-01 Rayonier Inc Process of converting hydrophilic cellulose graft copolymers to hydrophobic copolymers
NL298237A (en) * 1962-09-24
US3395070A (en) * 1962-09-24 1968-07-30 Tee Pak Inc Paper product containing cellulose graft polymers
US3989656A (en) * 1972-07-06 1976-11-02 Karme Company Ltd. Dextran-alkyl methacrylate graft composition for contact lens and corneas
US4503117A (en) * 1983-12-30 1985-03-05 Mobil Oil Corporation Paper-polymer product
TWI495672B (en) * 2010-01-29 2015-08-11 Toray Industries Fiber-reinforced thermoplastic resin composition, reinforcing fiber bundle, and production method for fiber-reinforced thermoplastic resin composition

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2434106A (en) * 1945-01-13 1948-01-06 Catalin Corp Of America Impregnation of cellulosic material
US2764504A (en) * 1952-08-28 1956-09-25 Du Pont Coating process and products therefrom
US2922768A (en) * 1956-04-12 1960-01-26 Mino Guido Process for polymerization of a vinylidene monomer in the presence of a ceric salt and an organic reducing agent
US2955015A (en) * 1957-06-05 1960-10-04 American Cyanamid Co Graft polymerization of certain esters of acrylic acid with cellulose substrate
US2998329A (en) * 1957-08-05 1961-08-29 Dow Chemical Co Modification of cellulosic articles

Also Published As

Publication number Publication date
US3081143A (en) 1963-03-12

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