GB159494A - A process for the manufacture of resinous phenol formaldehyde condensation products - Google Patents

A process for the manufacture of resinous phenol formaldehyde condensation products

Info

Publication number
GB159494A
GB159494A GB33875/20A GB3387520A GB159494A GB 159494 A GB159494 A GB 159494A GB 33875/20 A GB33875/20 A GB 33875/20A GB 3387520 A GB3387520 A GB 3387520A GB 159494 A GB159494 A GB 159494A
Authority
GB
United Kingdom
Prior art keywords
formaldehyde
phenol
cresol
boiled
acid
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
GB33875/20A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB159494A publication Critical patent/GB159494A/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
    • C08G8/10—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with phenol
    • 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
    • C08G8/38—Block or graft polymers prepared by polycondensation of aldehydes or ketones onto macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds

Abstract

In the production of resinous condensation products from phenol or its homologues and formaldehyde or its polymers, the phenol and formaldehyde &c. are first heated with an acid condensing-agent until a resin is formed, then more phenol and formaldehyde are added together within a basic condensing-agent and the heating continued. The amount of basic condensing-agent employed is in such excess that after neutralizing the acid used in the first condensation the remainder considerably exceeds 10 per cent by weight of the phenolic body used in the second condensation. Fusible resins soluble in a variety of organic solvents are thereby obtained; if sufficient formaldehyde has been used, the resins may be converted by further heating to insoluble infusible products. According to examples:-phenol or cresol and formaldehyde solution are boiled with hydrochloric acid, the resulting resin is mixed with phenol or cresol, formaldehyde solution, ammonia, caustic soda, and caustic potash, and the mixture boiled; phenol or cresol and formaldehyde solution are boiled with acetic acid, the mass is mixed with phenol or cresol, formaldehyde solution, soap, and a hydrosulphite or sulphite, and the mixture boiled; in a third example, the same ingredients are employed as in the first example, but the proportion of formaldehyde is higher, the resulting resin being transformed into an insoluble infusible product by further heating. Specifications 21566/08 and 3498/11 are referred to. The Specification as open to inspection under Sect. 91 (3) (a) describes also the use of hexamethylenetetramine as an alternative for formaldehyde or its polymers. This subject-matter does not appear in the Specification as accepted.
GB33875/20A 1920-02-23 1920-12-01 A process for the manufacture of resinous phenol formaldehyde condensation products Expired GB159494A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK72142D DE414959C (en) 1920-02-23 1920-02-23 Process for the production of resinous condensation products from phenols and formaldehyde with the assistance of a condensation agent

Publications (1)

Publication Number Publication Date
GB159494A true GB159494A (en) 1922-05-01

Family

ID=7232228

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33875/20A Expired GB159494A (en) 1920-02-23 1920-12-01 A process for the manufacture of resinous phenol formaldehyde condensation products

Country Status (5)

Country Link
AT (1) AT100049B (en)
CH (2) CH94616A (en)
DE (1) DE414959C (en)
DK (1) DK29472C (en)
GB (1) GB159494A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0205259A1 (en) * 1985-05-13 1986-12-17 Unitika Ltd. Microspherical cured phenolic resin particles and process for production thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE879015C (en) * 1941-09-24 1953-06-08 Byk Gulden Lomberg Chem Fab Process for the production of curable phenolic resins

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0205259A1 (en) * 1985-05-13 1986-12-17 Unitika Ltd. Microspherical cured phenolic resin particles and process for production thereof

Also Published As

Publication number Publication date
DK29472C (en) 1922-04-18
AT100049B (en) 1925-05-25
CH93297A (en) 1922-03-01
DE414959C (en) 1925-06-11
CH94616A (en) 1922-05-01

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