MX9801566A - Laca en polvo y su utilizacion para revestimiento interno de recipientes de envase. - Google Patents

Laca en polvo y su utilizacion para revestimiento interno de recipientes de envase.

Info

Publication number
MX9801566A
MX9801566A MX9801566A MX9801566A MX9801566A MX 9801566 A MX9801566 A MX 9801566A MX 9801566 A MX9801566 A MX 9801566A MX 9801566 A MX9801566 A MX 9801566A MX 9801566 A MX9801566 A MX 9801566A
Authority
MX
Mexico
Prior art keywords
powder coating
particle size
particles
coating
phenolic
Prior art date
Application number
MX9801566A
Other languages
English (en)
Other versions
MXPA98001566A (es
Inventor
Leonidas Kiriazis
Original Assignee
Ppg Ind Ohio Inc
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 Ppg Ind Ohio Inc filed Critical Ppg Ind Ohio Inc
Publication of MX9801566A publication Critical patent/MX9801566A/es
Publication of MXPA98001566A publication Critical patent/MXPA98001566A/es

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
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • 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
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/182—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing using pre-adducts of epoxy compounds with curing agents
    • 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
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
    • C08G59/62—Alcohols or phenols
    • 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
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
    • C08G59/62—Alcohols or phenols
    • C08G59/621—Phenols

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Paints Or Removers (AREA)

Abstract

La presente invencion se refiere a un revestimiento en polvo basado en resinas epoxi y endurecedores fenolicos, en particular para el revestimiento interno de recipiente de envase, y contiene: 1) al menos una resina epoxi con un peso equivalente de epoxido de entre 300 y 5500; y al menos un endurecedor con más de un grupo hidroxilo fenolico por molécula, y un peso equivalente de hidroxilo, relativo a los grupos OH fenolicos, de entre 100 y 500; el revestimiento en polvo teniendo una distribucion de tamaño de grano tal que: a) al menos 90% en masa de las partículas del revestimiento en polvo tienen un tamaño de partícula entre 1 y 60 æm; b) el tamaño de partícula máximo de las partículas de revestimiento en polvo al menos 99% en masa de las partículas es de <- 100 mum; c) el tamaño de partícula promedio de las partículas del revestimiento en polvo es entre 5 y 20 æm y d) la inclinacion de la curva de distribucion de grano en el punto de inflexion es de >-100; y 2) un lubricante, de preferencia en una cantidad de <- 2% en peso.
MXPA/A/1998/001566A 1995-08-28 1998-02-26 Laca en polvo y su utilizacion para revestimientointerno de recipientes de envase MXPA98001566A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19531585A DE19531585A1 (de) 1995-08-28 1995-08-28 Pulverlack und dessen Verwendung zur Innenbeschichtung von Verpackungsbehältern
DE19531585.5 1995-08-28
PCT/EP1996/003769 WO1997008257A1 (de) 1995-08-28 1996-08-27 Pulverlack und dessen verwendung zur innenbeschichtung von verpackungsbehältern

Publications (2)

Publication Number Publication Date
MX9801566A true MX9801566A (es) 1998-05-31
MXPA98001566A MXPA98001566A (es) 1998-10-23

Family

ID=

Also Published As

Publication number Publication date
EP0847427A1 (de) 1998-06-17
JPH11511490A (ja) 1999-10-05
BR9610296A (pt) 1999-03-16
CA2226956A1 (en) 1997-03-06
CN1198767A (zh) 1998-11-11
WO1997008257A1 (de) 1997-03-06
DE19531585A1 (de) 1997-03-06
KR19990044235A (ko) 1999-06-25

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