RO94483B1 - Process for obtaining an adhesive based on vinylacrylic polymer - Google Patents

Process for obtaining an adhesive based on vinylacrylic polymer

Info

Publication number
RO94483B1
RO94483B1 RO122632A RO12263286A RO94483B1 RO 94483 B1 RO94483 B1 RO 94483B1 RO 122632 A RO122632 A RO 122632A RO 12263286 A RO12263286 A RO 12263286A RO 94483 B1 RO94483 B1 RO 94483B1
Authority
RO
Romania
Prior art keywords
obtaining
vinyl
adhesive based
mixture
polymer
Prior art date
Application number
RO122632A
Other languages
Romanian (ro)
Other versions
RO94483A2 (en
Inventor
Maria Popescu
Florin Georgescu
Florin Butnaru
Augustin Chifor
Mircea Ciascaiu
Ana Teodorescu
Original Assignee
îNTREPRINDEREA CHIMICA
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 îNTREPRINDEREA CHIMICA filed Critical îNTREPRINDEREA CHIMICA
Priority to RO122632A priority Critical patent/RO94483B1/en
Publication of RO94483A2 publication Critical patent/RO94483A2/en
Publication of RO94483B1 publication Critical patent/RO94483B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09D133/08—Homopolymers or copolymers of acrylic acid esters

Abstract

Inventia de fata se refera la un procedeu de obtinere a unui adeziv, pe baza de polimer vinilacrilic, prin copolimerizarea în dispersie apoasa a unui amestec de monomeri format din 40...80% acrilat de etil, 5...20% acetat de vinil, 10...25% acrilat de butil si 5...15% metacrilat de metil, în prezenta unui emulgator neionic în proportie de 1...8% fata de amestecul de monomeri si a unui coloid protector în proportie de 3...15% fata de amestecul de monomeri, constituit din alcool polivinilic cu grad de polimerizare între 900...1200 si grad de hidroliza 85...90% în prezenta de persulfat de potasiu. Se obtine un adeziv care se foloseste la lipirea foliei de policlorura de vinil, imitatie furnir, pe lemn.The present invention relates to a process for obtaining an adhesive based on vinyl acrylic polymer by copolymerization in aqueous dispersion of a mixture of monomers consisting of 40 ... 80% ethyl acrylate, 5 ... 20% acetate vinyl, 10 ... 25% butyl acrylate and 5 to 15% methyl methacrylate in the presence of a nonionic emulsifier in the proportion of 1 ... 8% relative to the mixture of monomers and a protective colloid in a proportion of 3 ... 15% relative to the monomer mixture consisting of polyvinyl alcohol with a degree of polymerization of 900 ... 1200 and a degree of hydrolysis of 85 ... 90% in the presence of potassium persulphate. An adhesive is obtained which is used to bond the vinyl polychloride sheet, veneer imitation, to wood.

RO122632A 1986-03-19 1986-03-19 Process for obtaining an adhesive based on vinylacrylic polymer RO94483B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO122632A RO94483B1 (en) 1986-03-19 1986-03-19 Process for obtaining an adhesive based on vinylacrylic polymer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO122632A RO94483B1 (en) 1986-03-19 1986-03-19 Process for obtaining an adhesive based on vinylacrylic polymer

Publications (2)

Publication Number Publication Date
RO94483A2 RO94483A2 (en) 1988-06-30
RO94483B1 true RO94483B1 (en) 1988-07-01

Family

ID=20119163

Family Applications (1)

Application Number Title Priority Date Filing Date
RO122632A RO94483B1 (en) 1986-03-19 1986-03-19 Process for obtaining an adhesive based on vinylacrylic polymer

Country Status (1)

Country Link
RO (1) RO94483B1 (en)

Also Published As

Publication number Publication date
RO94483A2 (en) 1988-06-30

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