GB1468142A - Process for the preparation of self-cross linking lacquers - Google Patents

Process for the preparation of self-cross linking lacquers

Info

Publication number
GB1468142A
GB1468142A GB3852375A GB3852375A GB1468142A GB 1468142 A GB1468142 A GB 1468142A GB 3852375 A GB3852375 A GB 3852375A GB 3852375 A GB3852375 A GB 3852375A GB 1468142 A GB1468142 A GB 1468142A
Authority
GB
United Kingdom
Prior art keywords
weight
parts
monomer
salt
theoretical
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
GB3852375A
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.)
Lonza AG
Original Assignee
Lonza AG
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 Lonza AG filed Critical Lonza AG
Priority to GB3852375A priority Critical patent/GB1468142A/en
Publication of GB1468142A publication Critical patent/GB1468142A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C08F2/00—Processes of polymerisation
    • C08F2/12—Polymerisation in non-solvents
    • C08F2/16—Aqueous medium

Abstract

1468142 Preparation of self cross-linking polymers LONZA Ltd 19 Sept 1975 38523/75 Addition to 1468141 Heading C3P A mixture of: (a) 30-70 parts by weight of a monomer or monomer mixture whose polymer has a theoretical Tg of less than 10‹ C.; (b) 30-70 parts by weight of a monomer or monomer mixture whose polymer has a theoretical Tg of more than 30‹ C.; (c) 0À5-5 parts by weight of a polymerizable carboxylic acid or a salt thereof; (d) 2-35 parts by weight of a di- or polyethylenically unsaturated monomer; and (e) 0À5-5 parts by weight of an alkali metal or ammonium salt of a polymerizable sulphonic acid is polymerized at 15-30‹ C. with a redox system comprising an alkali metal or ammonium persulphate, ascorbic acid and a ferrous salt at an initial pH of 3-4, at most 30% of the total monomer, together with the main amount of the persulphate being present initially and the remainder of the ingredients being so closed in that a preselected constant temperature (Œ1À5‹ C.) results. In the examples polymers are prepared from styrene, ethyl acrylate, methallyl sulphonate, butyl acrylate, octyl acrylate, acrylic acid, N-methylol acrylamide and as multi-unsaturated monomers, trimethylolpropane trimethacrylate, neopentyl glycol dimethacrylate and butanediol dimethacrylate.
GB3852375A 1975-09-19 1975-09-19 Process for the preparation of self-cross linking lacquers Expired GB1468142A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3852375A GB1468142A (en) 1975-09-19 1975-09-19 Process for the preparation of self-cross linking lacquers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3852375A GB1468142A (en) 1975-09-19 1975-09-19 Process for the preparation of self-cross linking lacquers

Publications (1)

Publication Number Publication Date
GB1468142A true GB1468142A (en) 1977-03-23

Family

ID=10404047

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3852375A Expired GB1468142A (en) 1975-09-19 1975-09-19 Process for the preparation of self-cross linking lacquers

Country Status (1)

Country Link
GB (1) GB1468142A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4278727A (en) * 1977-10-20 1981-07-14 Wacker-Chemie Gmbh Alkai-soluble, water-resistant binders for non-woven materials

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4278727A (en) * 1977-10-20 1981-07-14 Wacker-Chemie Gmbh Alkai-soluble, water-resistant binders for non-woven materials

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee