CN103497639A - High-toughness high-leveling powder coating - Google Patents

Abstract

The invention discloses a high-toughness high-leveling powder coating. The coating is prepared from the following raw materials in parts by weight: 2-3 parts of trimethoxypropylsilane, 60-70 parts of E-42 epoxy resin, 1-2 parts of 2-mercaptobenzimidazole, 5-10 parts of dimethyl aminopropyl amine, 1-2 parts of zirconium oxide, 1.5-1.7 parts of aluminum nitride powder, 1-2 parts of methenamine, 1-2 parts of coconut oil monoethanolamide, 2-3 parts of hexadecyl trimethyl ammonium bromide, 3-4 parts of glass fiber, and 5-10 parts of composite filler. The powder coating is good in toughness and leveling property, strong in adhesion to base materials and excellent in strength and heat tolerance, and plays a good protecting effect.

Description

A kind of high tenacity high-leveling powder coating

Technical field

The present invention relates generally to a kind of coating, relates in particular to a kind of high tenacity high-leveling powder coating.

Background technology

Development along with the appearance of various instrument in recent years especially precision meter and micro-electricity, light current components and parts, large-scale integrated circuit; also require the shell of instrument that reliable electrostatic protection and electrostatic shielding function will be arranged; coating not only want can absorbing high-frequency radiation and the electromagnetic energy of high energy; make inner fragile element obtain good protection; also to there is certain shock resistance and the performance such as corrosion-resistant, to guarantee the user demand of instrument under varying environment.

Summary of the invention

The object of the invention is exactly for a kind of high tenacity high-leveling powder coating is provided.

The present invention is achieved by the following technical solutions:

A kind of high tenacity high-leveling powder coating is characterized in that what it was comprised of the raw material of following weight parts:

Propyl trimethoxy silicane 2-3, E-42 epoxy resin 60-70,2-thiol group benzimidazolyl 1-2, dimethylaminopropylamine 5-10, zirconium white 1-2, aluminium nitride powder 1.5-1.7, urotropine 1-2, Coconut Fatty Acid Monoethanolamide 1-2, cetyl trimethylammonium bromide 2-3, glass fibre 3-4, compounded mix 5-10;

Described compounded mix is comprised of the raw material of following weight parts:

Laterite 30-45, fluorapatite 5-10, Fluorspar Powder 3-5, aluminium hydroxide 3-4, vanadium diboride 1-2,2,6-ditertbutylparacresol 1-2, cetomacrogol 1000 2-3;

Above-mentioned laterite, fluorapatite, Fluorspar Powder are mixed, and calcining 3-4 hour under 600-700 ℃, mix with vanadium diboride after discharging is cooling, and fully ball milling, must expect a; Above-mentioned cetomacrogol 1000 is joined in 4-5 times of water, be heated to 30-40 ℃, fully stir, add aluminium hydroxide, 100-200 rev/min of dispersed with stirring 3-4 minute, add the 6-ditertbutylparacresol, after fully mixing, with above-mentioned material a, mix, ball milling, dry, cross the 60-80 mesh sieve, obtain described compounded mix.

A kind of preparation method of high tenacity high-leveling powder coating comprises the following steps:

Above-mentioned each raw material is mixed, by melt extruding in forcing machine, then after the compressing tablet fragmentation, then pulverize, sieve through pulverising mill, obtain described high tenacity high-leveling powder coating.

Advantage of the present invention is:

Powder coating toughness of the present invention, good leveling property, with the base material strong adhesion, and have good intensity and resistance toheat, can play a very good protection.

Embodiment

Embodiment 1,

A kind of high tenacity high-leveling powder coating, it is comprised of the raw material of following weight parts (kilogram):

Propyl trimethoxy silicane 3, E-42 epoxy resin 70,2-thiol group benzimidazolyl 1, dimethylaminopropylamine 5-10, zirconium white 1, aluminium nitride powder 1.7, urotropine 2, Coconut Fatty Acid Monoethanolamide 1, cetyl trimethylammonium bromide 2, glass fibre 3-4, compounded mix 10;

Described compounded mix is comprised of the raw material of following weight parts:

Laterite 45, fluorapatite 10, Fluorspar Powder 3-5, aluminium hydroxide 3, vanadium diboride 1,2,6-ditertbutylparacresol 1, cetomacrogol 1000 3;

Above-mentioned laterite, fluorapatite, Fluorspar Powder are mixed, and under 700 ℃, calcining is 4 hours, after discharging is cooling, with vanadium diboride, mixes, and fully ball milling, must expect a; Above-mentioned cetomacrogol 1000 is joined in 4 times of water, be heated to 40 ℃, fully stir, add aluminium hydroxide, 100 rev/mins of dispersed with stirring 3 minutes, add the 6-ditertbutylparacresol, mixes ball milling after fully mixing with above-mentioned material a, dry, cross 80 mesh sieves, obtain described compounded mix.

A kind of preparation method of high tenacity high-leveling powder coating comprises the following steps:

Above-mentioned each raw material is mixed, by melt extruding in forcing machine, then after the compressing tablet fragmentation, then pulverize, sieve through pulverising mill, obtain described high tenacity high-leveling powder coating.

Performance test:

Shock resistance: >=50kg/cm;

Hardness >=2H.

Claims (2)

1. a high tenacity high-leveling powder coating is characterized in that what it was comprised of the raw material of following weight parts:

Propyl trimethoxy silicane 2-3, E-42 epoxy resin 60-70,2-thiol group benzimidazolyl 1-2, dimethylaminopropylamine 5-10, zirconium white 1-2, aluminium nitride powder 1.5-1.7, urotropine 1-2, Coconut Fatty Acid Monoethanolamide 1-2, cetyl trimethylammonium bromide 2-3, glass fibre 3-4, compounded mix 5-10;

Described compounded mix is comprised of the raw material of following weight parts:

Laterite 30-45, fluorapatite 5-10, Fluorspar Powder 3-5, aluminium hydroxide 3-4, vanadium diboride 1-2,2,6-ditertbutylparacresol 1-2, cetomacrogol 1000 2-3;

Above-mentioned laterite, fluorapatite, Fluorspar Powder are mixed, and calcining 3-4 hour under 600-700 ℃, mix with vanadium diboride after discharging is cooling, and fully ball milling, must expect a; Above-mentioned cetomacrogol 1000 is joined in 4-5 times of water, be heated to 30-40 ℃, fully stir, add aluminium hydroxide, 100-200 rev/min of dispersed with stirring 3-4 minute, add the 6-ditertbutylparacresol, after fully mixing, with above-mentioned material a, mix, ball milling, dry, cross the 60-80 mesh sieve, obtain described compounded mix.

2. the preparation method of a high tenacity high-leveling powder coating as claimed in claim 1 is characterized in that comprising the following steps:

Above-mentioned each raw material is mixed, by melt extruding in forcing machine, then after the compressing tablet fragmentation, then pulverize, sieve through pulverising mill, obtain described high tenacity high-leveling powder coating.