GB1090604A - Process for the production of petroleum resins for use in the preparation of paper-sizing agent - Google Patents

Process for the production of petroleum resins for use in the preparation of paper-sizing agent

Info

Publication number
GB1090604A
GB1090604A GB2761566A GB2761566A GB1090604A GB 1090604 A GB1090604 A GB 1090604A GB 2761566 A GB2761566 A GB 2761566A GB 2761566 A GB2761566 A GB 2761566A GB 1090604 A GB1090604 A GB 1090604A
Authority
GB
United Kingdom
Prior art keywords
petroleum
boiling
fraction containing
point
fractions
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
GB2761566A
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.)
Mitsubishi Petrochemical Co Ltd
Original Assignee
Mitsubishi Petrochemical Co Ltd
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 Mitsubishi Petrochemical Co Ltd filed Critical Mitsubishi Petrochemical Co Ltd
Publication of GB1090604A publication Critical patent/GB1090604A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L57/00—Compositions of unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C08L57/02—Copolymers of mineral oil hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F240/00—Copolymers of hydrocarbons and mineral oils, e.g. petroleum resins
    • 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
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/42—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups anionic
    • D21H17/43—Carboxyl groups or derivatives thereof

Abstract

A petroleum resin for use in the manufacture of paper-sizing agents is prepared by copolymerizing a petroleum fraction containing diolefins having five carbon atoms and having a boiling-point of from 20 DEG to 100 DEG C. with a petroleum fraction containing at least one compound selected from styrene and its alkyl derivatives and having a boiling-point of from 140 DEG to 280 DEG C. in such a proportion that the resulting copolymer has a bromine number of more than 25 and a softening point of more than 35 DEG C., the content of cyclopentadiene contained in the fraction of boiling-point from 20 DEG to 100 DEG C. being controlled below 10% by weight and both fractions being obtained by thermal cracking of petroleum fractions. The fractions are generally obtained by thermally cracking oil of naphtha at high temperatures, i.e. from 700 DEG to 900 DEG C. The cyclopentadiene content of the low boiling fraction may be reduced by heat-treatment to effect dimerization of the cyclopentadiene. The polymerization is preferably carried out in the presence of a Friedel-Crafts catalyst. In the examples a fraction containing isoprene, piperilene, cyclopentadiene and mono-olefins is polymerized with a fraction containing styrene, orthomethylstyrene, paramethylstyrene, metamethyl styrene, a -methylstyrene and the like, using a boron trifluoride catalyst. The polymer is purified, reacted with maleic anhydride to form an adduct which is saponified with alkali in the presence of a small amount of rosin.ALSO:A petroleum resin for use in the manufacture of paper sizing agents is prepared by copolymerizing a petroleum fraction containing diolefins having five carbon atoms and having a boiling point of from 20 DEG to 100 DEG C with a petroleum fraction containing at least one compound selected from styrene and its alkyl derivatives and having a boiling point of from 140 DEG to 280 DEG C in such a proportion that the resulting copolymer has a bromine number of more than 25 and a softening number of more than 35 DEG C, the content of cyclopentadiene contained in said fraction having a boiling point of from 20 DEG C to 100 DEG C being controlled below 10% by weight and said fractions being obtained by a thermal cracking of petroleum fractions. In Example 1 a petroleum resin so obtained is reacted with maleic anhydride to form an adduct which is then saponified with alkali in the presence of a small amount of rosin. The sizing agent thus obtained is added to a batch of pulp in an amount of 0.3% by weight of resin component based on the weight of pulp, and fixed onto the pulp by adding aluminium sulphate until the pH reaches 4.5. The batch of pulp is then made into paper using a hand-operated paper machine.
GB2761566A 1965-06-25 1966-06-21 Process for the production of petroleum resins for use in the preparation of paper-sizing agent Expired GB1090604A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3780865 1965-06-25

Publications (1)

Publication Number Publication Date
GB1090604A true GB1090604A (en) 1967-11-08

Family

ID=12507794

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2761566A Expired GB1090604A (en) 1965-06-25 1966-06-21 Process for the production of petroleum resins for use in the preparation of paper-sizing agent

Country Status (2)

Country Link
DE (1) DE1645001A1 (en)
GB (1) GB1090604A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3533970A (en) * 1964-09-21 1970-10-13 Mitsubishi Petrochemical Co Coating compositions for propylene polymer
FR2233339A1 (en) * 1973-06-12 1975-01-10 Itsui Petrochemical Ind
CN108641044A (en) * 2018-05-17 2018-10-12 安徽同心化工有限公司 A kind of modified C5 Petropols of acid and its molecular weight controllable method for preparing
CN109180880A (en) * 2018-09-21 2019-01-11 安徽同心化工有限公司 A kind of high grafting rate C5 Petropols of maleic anhydride and preparation method thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8407984D0 (en) * 1984-03-28 1984-05-10 Exxon Research Engineering Co Pressure sensitive adhesives

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3533970A (en) * 1964-09-21 1970-10-13 Mitsubishi Petrochemical Co Coating compositions for propylene polymer
FR2233339A1 (en) * 1973-06-12 1975-01-10 Itsui Petrochemical Ind
CN108641044A (en) * 2018-05-17 2018-10-12 安徽同心化工有限公司 A kind of modified C5 Petropols of acid and its molecular weight controllable method for preparing
CN108641044B (en) * 2018-05-17 2021-04-23 安徽同心新材料科技有限公司 Acid modified C5 petroleum resin and molecular weight controllable preparation method thereof
CN109180880A (en) * 2018-09-21 2019-01-11 安徽同心化工有限公司 A kind of high grafting rate C5 Petropols of maleic anhydride and preparation method thereof

Also Published As

Publication number Publication date
DE1645001A1 (en) 1970-05-14

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