CN103725172A - Environment-friendly wire enamel and preparation method thereof - Google Patents

Abstract

The invention discloses environment-friendly wire enamel which is characterized by being prepared from raw materials in parts by weight (kilogram) as follows: 10-12 parts of nylon 12, 8-10 parts of nylon 11, 12-15 parts of alkyd resin, 2-3 parts of dicumyl peroxide, 2-3 parts of isoprene, 3-4 parts of butadiene, 3-4 parts of N-2-(aminoethyl)-3-aminopropyltrimethoxysilane, 4-5 parts of styrene, 1-2 parts of monobutyltin oxide, 3-4 parts of hexamethylphosphoramide, 3-4 parts of an accelerant DM, 7-9 parts of an assistant, 100-120 parts of m, p-cresol and 80-90 parts of xylene. The environment-friendly wire enamel prepared with the method has excellent heat stability and is convenient to paint in the production process of enamelled wires, and the technological range is wide; and the wire enamel can be excellently demoulded from metal when a coil wound by a wire is formed.

Description

A kind of environment-friendly varnished wire paint paint and preparation method thereof

Technical field

The present invention relates to a kind of wire enamel, especially a kind of environment-friendly varnished wire paint paint and preparation method thereof.

Background technology

Enameled wire is a kind of electrical material, and it is at the high-strength insulating layer of a circular copper line surface processing thin layer, plays the effect with external insulation.By specification, can be processed into than hair thin lousiness line also, as thick cotton covered wire as thumb.Enameled wire has good insulation effect and waterproof ability.Aspect electrical equipment application very extensive, as electric motor, generator, water pump, electro-magnet, welding machine, household electrical appliance, cableless communication, loud speaker, tg, transformer etc.Wire enamel is the necessary insulating material of producing enameled wire, wire enamel requires to have good tack, physical strength, insulating property, resistance toheat, wear resisting property, salt spray resistance and adverse environment resistant performance etc., but there is thermotolerance, wear no resistance in common wire enamel, insufficient strength, heat-resisting level be lower than the problems such as 120 ℃, is difficult to meet the requirement of varying environment.Need to improve the formula of wire enamel and production technique, further improve the performance of enamel-cover paint, reduce its production cost.

Summary of the invention

Object of the present invention is just to provide a kind of environment-friendly varnished wire paint paint and preparation method thereof, to overcome the deficiencies in the prior art.

The object of the present invention is achieved like this:

A kind of environment-friendly varnished wire paint paint, it is characterized in that, by following weight part (kilogram) raw material make: nylon 12 10-12, nylon 11 8-10, Synolac 12-15, dicumyl peroxide 2-3, isoprene 2-3, divinyl 3-4, N-2-(aminoethyl)-3-aminopropyl trimethoxysilane 3-4, vinylbenzene 4-5, Mono-n-butyltin 1-2, HMPA 3-4, altax 3-4, auxiliary agent 7-9, M-and P-cresols 100-120, dimethylbenzene 80-90;

Described auxiliary agent is made by following raw materials in part by weight: nano mica powder 0.2-0.3, Di(dioctylpyrophosphato) ethylene titanate 3-4, cobalt naphthenate 1-2, triethyl citrate 5-8, linking agent TAC1-2,1,6 hexanediyl ester 10-12, Tenox PG 3-4, coix seed oil 2-3; Its preparation method is by each mixing of materials, is heated to 60-70 ℃, and stirring reaction 30-40 minute, obtains.

The preparation method of described environment-friendly varnished wire paint paint, is characterized in that comprising the following steps:

(1), take in dimethylbenzene, the reactor of M-and P-cresols input with agitator and be uniformly mixed, be heated to 45-65 ℃, add nylon 12, stir and be heated to 145-185 ℃, after dissolving completely to nylon 12, add again isoprene, divinyl, vinylbenzene, Mono-n-butyltin, HMPA, insulation 3-5 hour;

(2), step (1) reaction mass is cooled to 70-85 ℃, add N-2-(aminoethyl)-3-aminopropyl trimethoxysilane, dicumyl peroxide, altax, auxiliary agent, keep temperature, stirring reaction 2-3 hour;

(3) add leftover materials, again, be warming up to 100-135 ℃, continue stirring reaction 2-3 hour;

(4), cooling material is to 45-60 ℃, is ground to 20-40 μ m slurry, filter and get final product.

The present invention has following beneficial effect: all raw material has good thermostability, and smell volatilization is few, meets the environmental protection ROHS command request that European Union member countries promulgate; The Synolac good stability of selecting, has good intermiscibility with nylon 12, and in Production of Enamel Wires process, japanning is convenient, technique amplitude broad; Owing to having added appropriate interpolation auxiliary agent, while making the moulding of wire rod coiling and metal there is fabulous demoulding.

Embodiment

Described environment-friendly varnished wire paint paint, it is characterized in that, by following weight part (kilogram) raw material make: nylon 12 10, nylon 11 8, Synolac 12, dicumyl peroxide 2, isoprene 3, divinyl 3, N-2-(aminoethyl)-3-aminopropyl trimethoxysilane 4, vinylbenzene 4, Mono-n-butyltin 1, HMPA 4, altax 4, auxiliary agent 7, M-and P-cresols 100, dimethylbenzene 80;

Described auxiliary agent by following weight part (kilogram) raw material makes: nano mica powder 0.2, Di(dioctylpyrophosphato) ethylene titanate 3, cobalt naphthenate 2, triethyl citrate 5, linking agent TAC1,1,6 hexanediyl ester 10, Tenox PG 3, coix seed oil 3; Its preparation method is by each mixing of materials, is heated to 60-70 ℃, and stirring reaction 30-40 minute, obtains.

Preparation method comprises the following steps:

(1), take in dimethylbenzene, the reactor of M-and P-cresols input with agitator and be uniformly mixed, be heated to 45-65 ℃, add nylon 12, stir and be heated to 145-185 ℃, after dissolving completely to nylon 12, add again isoprene, divinyl, vinylbenzene, Mono-n-butyltin, HMPA, insulation 3-5 hour;

(2), step (1) reaction mass is cooled to 70-85 ℃, add N-2-(aminoethyl)-3-aminopropyl trimethoxysilane, dicumyl peroxide, altax, auxiliary agent, keep temperature, stirring reaction 2-3 hour;

(3) add leftover materials, again, be warming up to 100-135 ℃, continue stirring reaction 2-3 hour;

(4), cooling material is to 45-60 ℃, is ground to 20-40 μ m slurry, filter and get final product.

The environment-friendly varnished wire paint paint of compared with prior art making with the present invention has good thermostability, and in Production of Enamel Wires process, japanning is convenient, technique amplitude broad; During the moulding of wire rod coiling and metal there is fabulous demoulding.

Use paint of the present invention wire rod main performance index processed as follows:

1, tack is good;

2, temperature classification >=155 ℃, thermal shocking reaches 180 ℃ of paint films and does not ftracture;

3, cohesive strength 10N/mm ²;

4, transformer oil resistant is 1200 hours/105 ℃, and paint film is without damage.

Claims (3)

1. an environment-friendly varnished wire paint paint, it is characterized in that, by following weight part (kilogram) raw material make: nylon 12 10-12, nylon 11 8-10, Synolac 12-15, dicumyl peroxide 2-3, isoprene 2-3, divinyl 3-4, N-2-(aminoethyl)-3-aminopropyl trimethoxysilane 3-4, vinylbenzene 4-5, Mono-n-butyltin 1-2, HMPA 3-4, altax 3-4, auxiliary agent 7-9, M-and P-cresols 100-120, dimethylbenzene 80-90.

2. auxiliary agent according to claim 1 is made by following raw materials in part by weight: nano mica powder 0.2-0.3, Di(dioctylpyrophosphato) ethylene titanate 3-4, cobalt naphthenate 1-2, triethyl citrate 5-8, linking agent TAC1-2,1,6 hexanediyl ester 10-12, Tenox PG 3-4, coix seed oil 2-3; Its preparation method is by each mixing of materials, is heated to 60-70 ℃, and stirring reaction 30-40 minute, obtains.

3. the preparation method of environment-friendly varnished wire paint paint according to claim 1, is characterized in that comprising the following steps:

(1), take in dimethylbenzene, the reactor of M-and P-cresols input with agitator and be uniformly mixed, be heated to 45-65 ℃, add nylon 12, stir and be heated to 145-185 ℃, after dissolving completely to nylon 12, add again isoprene, divinyl, vinylbenzene, Mono-n-butyltin, HMPA, insulation 3-5 hour;

(2), step (1) reaction mass is cooled to 70-85 ℃, add N-2-(aminoethyl)-3-aminopropyl trimethoxysilane, dicumyl peroxide, altax, auxiliary agent, keep temperature, stirring reaction 2-3 hour;

(3) add leftover materials, again, be warming up to 100-135 ℃, continue stirring reaction 2-3 hour;

(4), cooling material is to 45-60 ℃, is ground to 20-40 μ m slurry, filter and get final product.