GB492731A - Improvements in or relating to the manufacture of synthetic resins and compositions containing the same - Google Patents

Improvements in or relating to the manufacture of synthetic resins and compositions containing the same

Info

Publication number
GB492731A
GB492731A GB34753/36A GB3475336A GB492731A GB 492731 A GB492731 A GB 492731A GB 34753/36 A GB34753/36 A GB 34753/36A GB 3475336 A GB3475336 A GB 3475336A GB 492731 A GB492731 A GB 492731A
Authority
GB
United Kingdom
Prior art keywords
resins
iso
carbinol
hydrogenated
phenol
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
GB34753/36A
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of GB492731A publication Critical patent/GB492731A/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
    • C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
    • C08G8/28—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
    • C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
    • C08G8/04—Condensation polymers of aldehydes or ketones with phenols only of aldehydes
    • C08G8/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ
    • 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
    • C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
    • C08G8/28—Chemically modified polycondensates
    • C08G8/32—Chemically modified polycondensates by organic acids or derivatives thereof, e.g. fatty oils

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Oil-soluble heat-hardening resins are produced from phenols by reacting with an aldehyde in the presence of a mild acid catalyst in the presence of a completely volatile non-gumforming solvent selected from the class of monohydric aliphatic alcohols and mononuclear aromatic hydrocarbons. Suitable catalysts include zinc or copper acetate or boric acid. Suitable solvents include di-isopropyl carbinol, iso-propyl carbinol, iso-butyl carbinol, amyl carbinol, iso-amylcarbinol, toluene, benzene and xylene. The resin solutions obtained may be combined with drying oils, semi-drying oils, cellulose derivatives (ethylcellulose, nitrocellulose or benzylcellulose), natural or synthetic resins such as rosin, kauri, vinyl resins, other phenol-aldehyde resins, acrylic or methacrylic acid ester polymers, oil-modified polyhydric alcohol - polybasic acid resins, hydrogenated natural and synthetic resins, hydrogenated phenol-aldehyde resins, hydrogenated rosin, hydrogenated rosin-modified phenol-aldehyde resins, hydrogenated ester gums, pigments, fillers, driers or solvents. The products may be used in the manufacture of coating, impregnating, sizing, moulding and adhesive compositions. In examples: (1) phenol and paraformaldehyde are condensed in the presence of ethyl alcohol, butyl alcohol, diethyl carbinol 2 - methylpentanol - 1, 2.4 - dimethylpentanol 3 and di iso-propylcarbinol as solvents and zinc acetate or boric acid as catalyst, the product being worked up if desired with chinawood or castor oil to yield coating compositions; (8) o-cresol, paraformaldehyde, di-iso propylcarbinol and zinc acetate are condensed.
GB34753/36A 1935-12-17 1936-12-17 Improvements in or relating to the manufacture of synthetic resins and compositions containing the same Expired GB492731A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US492731XA 1935-12-17 1935-12-17

Publications (1)

Publication Number Publication Date
GB492731A true GB492731A (en) 1938-09-26

Family

ID=21958965

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34753/36A Expired GB492731A (en) 1935-12-17 1936-12-17 Improvements in or relating to the manufacture of synthetic resins and compositions containing the same

Country Status (1)

Country Link
GB (1) GB492731A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2579610A (en) * 1947-10-23 1951-12-25 Antonio S Pitre Surface protecting materials and methods of making the same
US3332911A (en) * 1958-08-25 1967-07-25 Monsanto Co Production of fast-curing phenol-aldehyde novolac resins employing a boric acid or borate salt catalyst

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2579610A (en) * 1947-10-23 1951-12-25 Antonio S Pitre Surface protecting materials and methods of making the same
US3332911A (en) * 1958-08-25 1967-07-25 Monsanto Co Production of fast-curing phenol-aldehyde novolac resins employing a boric acid or borate salt catalyst

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