CN103965668A - Composite thermal dissipation coating composition having good cooling effect and containing calcium silicate powder - Google Patents

Abstract

The invention discloses a composite thermal dissipation coating composition having a good cooling effect and containing calcium silicate powder. The composite thermal coating composition is prepared from the following raw materials in parts by weight: 6-10 parts of material A and 2-5 parts of material B. The material A is prepared from the following raw materials in parts by weight: 30-40 parts of E-12 epoxy resin, 1-2 parts of dimethyl glutarate, 0.2-0.5 parts of antioxidant DLTP, 3-5 parts of calcium silicate powder, 0.1-0.2 parts of sodium polyacrylate, 1-2 parts of maleic anhydride, 0.1-0.2 parts of magnesium stearate, 0.1-0.2 parts of amine curing agent, 0.2-0.4 parts of phytic acid, 0.3-0.5 parts of isobutyl methacrylate and 0.2-0.4 parts of hydroquinone. The materials such as calcium silicate and the like are compounded, so as to obtain the thermal dissipation coating which is simple to coat, convenient to construct, and simultaneously excellent in cooling effect.

Description

A kind of composite radiating coating composition that contains calcium silicate powder of good heat dissipation effect

Technical field

The present invention relates to heat radiation coating field, is exactly a kind of composite radiating coating composition that contains calcium silicate powder of good heat dissipation effect.

Background technology

Heat radiation coating is a kind of radiating efficiency that improves body surface, reduces the existing heat radiation coating function singleness of speciality coating of system temperature, cannot meet people's multiple demand.

Summary of the invention

The object of the present invention is to provide a kind of composite radiating coating composition that contains calcium silicate powder of good heat dissipation effect.

Above-mentioned purpose realizes by following scheme:

A composite radiating coating composition that contains calcium silicate powder for good heat dissipation effect, is characterized in that: it is to be made by the raw material of following weight parts:

A material 6-10, B material 2-5;

Described A material is made by the raw material of following weight parts:

E-12 epoxy resin 30-40, Methyl glutarate 1-2, anti-oxidant DLTP 0.2-0.5, calcium silicate powder 3-5, sodium polyacrylate 0.1-0.2, MALEIC ANHYDRIDE 1-2, Magnesium Stearate 0.1-0.2, amine curing agent 0.1-0.2, phytic acid 0.2-0.4, Propenoic acid, 2-methyl, isobutyl ester 0.3-0.5, Resorcinol 0.2-0.4;

Described B material is made by the raw material of following weight parts:

E-12 epoxy resin 40-50, Resorcinol 0.9-1.1, amine curing agent 1-2, vinyl acetate 1-2, zinc oxide 6.0-7.0, pentanoic 1-2, vinylbenzene 2-3, nano aluminum alumina 1-2, silane coupling agent KH570 1-2, antioxidant 264 1-2, Cellmic C 121 0.1-0.2.

The composite radiating coating composition that contains calcium silicate powder of described a kind of good heat dissipation effect, is characterized in that: preparation method comprises the following steps:

(1) A is expected to each raw material mixes, be heated to 60-70 DEG C, stirring reaction 10-20 minute under the speed of 600-700r/min, obtains A material for subsequent use;

(2) B is expected to each raw material mixes, be heated to 50-60 DEG C, stirring reaction 20-40 minute under the speed of 400-600r/min, obtains B material for subsequent use;

(3) A material, B are expected to mixing and stirring by weight, grind after three hours, to obtain final product.

When construction, heat radiation coating spraying application is dried 1 hour at 60 DEG C, gets final product film forming, makes 80-100 μ m heat radiation coating.

Beneficial effect of the present invention is: it is composite that the present invention contains the materials such as calcium silicate powder, obtains coating simple, constructability, the simultaneously splendid heat radiation coating of radiating effect.

Embodiment

A composite radiating coating composition that contains calcium silicate powder for good heat dissipation effect, it is to be made by the raw material of following weight kg:

A material 10, B material 3;

Described A material is made by the raw material of following weight kg:

E-12 epoxy resin 40, Methyl glutarate 2, anti-oxidant DLTP 0.5, calcium silicate powder 5, sodium polyacrylate 0.2, MALEIC ANHYDRIDE 2, Magnesium Stearate 0.2, amine curing agent 0.2, phytic acid 0.2, Propenoic acid, 2-methyl, isobutyl ester 0.5, Resorcinol 0.4;

Described B material is made by the raw material of following weight kg:

E-12 epoxy resin 50, Resorcinol 0.9, amine curing agent 2, vinyl acetate 1, zinc oxide 7.0, pentanoic 1, vinylbenzene 2, nano aluminum alumina 1, silane coupling agent KH570 1, antioxidant 264 1, Cellmic C 121 0.2.

The composite radiating coating composition that contains calcium silicate powder of described a kind of good heat dissipation effect, preparation method comprises the following steps:

(1) A is expected to each raw material mixes, be heated to 70 DEG C, stirring reaction 20 minutes under the speed of 700r/min, obtains A material for subsequent use;

(2) B is expected to each raw material mixes, be heated to 60 DEG C, stirring reaction 40 minutes under the speed of 500r/min, obtains B material for subsequent use;

(3) A material, B are expected to mixing and stirring by weight, grind after three hours, to obtain final product.

When construction, heat radiation coating spraying application is dried 1 hour at 60 DEG C, gets final product film forming, makes 80-100 μ m heat radiation coating.

The heat radiation coating direct spraying that embodiment is made, on the process glass lamp cleaning up, obtains following experimental data:

Heatproof test: after 210 DEG C/3h of baking oven baking, baking oven toasts glass lamp after 145 DEG C/15 days and coats color and luster without considerable change;

Uvioresistant test: uviolizing 4h, not shedding of coating is non-yellowing, artificial accelerated aging test under 135 DEG C and 270W ultraviolet light irradiation condition, 5030 hours ageing-resistant time;

270 DEG C of heatproof high temperature, bonding shearing force 27.1MPa, thermal conductivity 326W/(mK).

Claims (2)

1. a composite radiating coating composition that contains calcium silicate powder for good heat dissipation effect, is characterized in that: it is to be made by the raw material of following weight parts:

A material 6-10, B material 2-5;

Described A material is made by the raw material of following weight parts:

E-12 epoxy resin 30-40, Methyl glutarate 1-2, anti-oxidant DLTP 0.2-0.5, calcium silicate powder 3-5, sodium polyacrylate 0.1-0.2, MALEIC ANHYDRIDE 1-2, Magnesium Stearate 0.1-0.2, amine curing agent 0.1-0.2, phytic acid 0.2-0.4, Propenoic acid, 2-methyl, isobutyl ester 0.3-0.5, Resorcinol 0.2-0.4;

Described B material is made by the raw material of following weight parts:

E-12 epoxy resin 40-50, Resorcinol 0.9-1.1, amine curing agent 1-2, vinyl acetate 1-2, zinc oxide 6.0-7.0, pentanoic 1-2, vinylbenzene 2-3, nano aluminum alumina 1-2, silane coupling agent KH570 1-2, antioxidant 264 1-2, Cellmic C 121 0.1-0.2.

2. the composite radiating coating composition that contains calcium silicate powder of a kind of good heat dissipation effect according to claim 1, is characterized in that: preparation method comprises the following steps:

(1) A is expected to each raw material mixes, be heated to 60-70 DEG C, stirring reaction 10-20 minute under the speed of 600-700r/min, obtains A material for subsequent use;

(2) B is expected to each raw material mixes, be heated to 50-60 DEG C, stirring reaction 20-40 minute under the speed of 400-600r/min, obtains B material for subsequent use;

(3) A material, B are expected to mixing and stirring by weight, grind after three hours, to obtain final product.