GR34946B - Μεθοδος παρασκευης φαινολικων ρητινων. - Google Patents

Μεθοδος παρασκευης φαινολικων ρητινων.

Info

Publication number
GR34946B
GR34946B GR670134946A GR670134946A GR34946B GR 34946 B GR34946 B GR 34946B GR 670134946 A GR670134946 A GR 670134946A GR 670134946 A GR670134946 A GR 670134946A GR 34946 B GR34946 B GR 34946B
Authority
GR
Greece
Prior art keywords
preparation
phenolic resins
reaction
glycerol
phenol
Prior art date
Application number
GR670134946A
Other languages
English (en)
Original Assignee
Societa Resine S.P.A.
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 Societa Resine S.P.A. filed Critical Societa Resine S.P.A.
Publication of GR34946B publication Critical patent/GR34946B/el

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
    • C08G8/04—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Phenolic Resins Or Amino Resins (AREA)

Abstract

έθοδος δια την παρασκευήν μιας αντιδρώσης εν θερμώ, εχούσης μετά του ύδατος συμβατότητα, σταθεράς, φαινολικής ρητίνης, περιλαμβάνουσα αντίδρασιν φαινόλης και φορμαλδεϋδης παρουσία ενός αλκαλικού καταλύτου, έως ότου η απομένουσα περιεκτικότης ελευθέρας φορμαλδεϋδης είναι μικροτέρα από 7% και υποβολήν του προϊόντος της αντιδράσεως εις απόσταξιν υπό κενόν, παρουσία γλυκερίνης, υπό μίαν θερμοκρασίαν αποστάξεως μη υπερβαίνουσαν τους 70ο C.
GR670134946A 1966-12-23 1967-12-22 Μεθοδος παρασκευης φαινολικων ρητινων. GR34946B (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT3148966 1966-12-23

Publications (1)

Publication Number Publication Date
GR34946B true GR34946B (el) 1968-07-24

Family

ID=11233676

Family Applications (1)

Application Number Title Priority Date Filing Date
GR670134946A GR34946B (el) 1966-12-23 1967-12-22 Μεθοδος παρασκευης φαινολικων ρητινων.

Country Status (4)

Country Link
FR (1) FR1548954A (el)
GB (1) GB1168859A (el)
GR (1) GR34946B (el)
NL (1) NL6717563A (el)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE30375E (en) 1970-06-08 1980-08-19 Fiberglas Canada Ltd. Calcia catalyzed resins
CN113831486B (zh) * 2021-10-21 2023-03-17 上海交通大学 一种小粒径酚醛树脂微球的制备方法

Also Published As

Publication number Publication date
GB1168859A (en) 1969-10-29
NL6717563A (el) 1968-06-24
FR1548954A (el) 1968-12-06

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