GB545081A - Improvements in the manufacture of synthetic resins - Google Patents

Improvements in the manufacture of synthetic resins

Info

Publication number
GB545081A
GB545081A GB1496940A GB1496940A GB545081A GB 545081 A GB545081 A GB 545081A GB 1496940 A GB1496940 A GB 1496940A GB 1496940 A GB1496940 A GB 1496940A GB 545081 A GB545081 A GB 545081A
Authority
GB
United Kingdom
Prior art keywords
urea
precondensate
fabrics
mixture
impregnating
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
GB1496940A
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.)
Calico Printers Association Ltd
Original Assignee
Calico Printers Association 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 Calico Printers Association Ltd filed Critical Calico Printers Association Ltd
Priority to GB1496940A priority Critical patent/GB545081A/en
Publication of GB545081A publication Critical patent/GB545081A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
    • C08G12/10—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with acyclic compounds having the moiety X=C(—N<)2 in which X is O, S or —N
    • C08G12/12—Ureas; Thioureas
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
    • C08G12/10—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with acyclic compounds having the moiety X=C(—N<)2 in which X is O, S or —N
    • C08G12/14—Dicyandiamides; Dicyandiamidines; Guanidines; Biguanidines; Biuret; Semicarbazides
    • C08G12/16—Dicyandiamides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
    • C08G12/30—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with substituted triazines
    • C08G12/32—Melamines
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/40—Chemically modified polycondensates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/40—Chemically modified polycondensates
    • C08G12/42—Chemically modified polycondensates by etherifying

Abstract

545,081. Resinous condensation products; coated fabrics. CALICO PRINTERS' ASSOCIATION, Ltd., LANTZ, L. A., and SCHOFIELD, A. Oct. 7, 1940, No. 14969. [Class 2 (iii)] [Also in Group VIII] A synthetic resin pre-condensate is prepared by first reacting a formaldehyde polymer with a polyhydric alcohol by heating the mixture until the formaldehyde polymer dissolves, and then reacting the mixture with a urea substance, added slowly in order to control the reaction. Specified polyhydric alcohols are glycerol and polyglycerol, and specified urea substances are urea, thiourea, guanidine, cyanamide, dicyandiamide and melamine. The temperature of the mixture, when the urea substance is added, is preferably about 80‹- 90‹C. The precondensate, when heated in the presence of an acid catalyst, is converted into a soft, resilient and transparent resin, whose softness may be further increased by the addition, to the precondensate, of seaweed mucilages such as Irish moss, carragheen or agar-agar. The properties of the final resin may also be modified by dissolving in the precondensate synthetic resins of the polyvinyl, polyacrylic and alkyd types, alkyl celluloses or chlorinated rubber. The precondensates may be used for impregnating or coating fabrics, and as adhesives for the fixation of pigments and fillers on fabrics, by printing, impregnating or coating, the coatings being fixed by heating in the presence of an acid catalyst, e.g. ammonium sulphate. An open net fabric, previously combined with a sheet of transparent regenerated cellulose, may be coated in this manner, and used as a replacement for window glass. Examples are given. Specification 256,248, [Class 2 (iii)], is referred to.
GB1496940A 1940-10-07 1940-10-07 Improvements in the manufacture of synthetic resins Expired GB545081A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1496940A GB545081A (en) 1940-10-07 1940-10-07 Improvements in the manufacture of synthetic resins

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1496940A GB545081A (en) 1940-10-07 1940-10-07 Improvements in the manufacture of synthetic resins

Publications (1)

Publication Number Publication Date
GB545081A true GB545081A (en) 1942-05-11

Family

ID=10050752

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1496940A Expired GB545081A (en) 1940-10-07 1940-10-07 Improvements in the manufacture of synthetic resins

Country Status (1)

Country Link
GB (1) GB545081A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2514505A (en) * 1945-06-30 1950-07-11 Sharples Chemicals Inc Resinous condensation products of urea, alkyl urea, formaldehyde, and polyhydric alcohol or derivative thereof
US2606885A (en) * 1950-02-17 1952-08-12 American Cyanamid Co Modified dicyandiamide resins and processes of preparing the same
US2690434A (en) * 1951-07-24 1954-09-28 Jacques Wolf & Co Alkylation of dicyandiamide and formaldehyde resins
FR2392050A1 (en) * 1977-05-24 1978-12-22 British Industrial Plastics MANUFACTURING OF AMINOPLAST RESINS BY REACTION OF AN AMINO COMPOUND WITH FORMALDEHYDE IN THE LIQUID PHASE
WO2010108999A1 (en) * 2009-03-25 2010-09-30 Dynea Oy Binder for fibrous materials

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2514505A (en) * 1945-06-30 1950-07-11 Sharples Chemicals Inc Resinous condensation products of urea, alkyl urea, formaldehyde, and polyhydric alcohol or derivative thereof
US2606885A (en) * 1950-02-17 1952-08-12 American Cyanamid Co Modified dicyandiamide resins and processes of preparing the same
US2690434A (en) * 1951-07-24 1954-09-28 Jacques Wolf & Co Alkylation of dicyandiamide and formaldehyde resins
FR2392050A1 (en) * 1977-05-24 1978-12-22 British Industrial Plastics MANUFACTURING OF AMINOPLAST RESINS BY REACTION OF AN AMINO COMPOUND WITH FORMALDEHYDE IN THE LIQUID PHASE
WO2010108999A1 (en) * 2009-03-25 2010-09-30 Dynea Oy Binder for fibrous materials

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