CN104439043A

CN104439043A - Sesame sauce residue/coal gangue compounded alcohol group casting paint and preparation method thereof

Info

Publication number: CN104439043A
Application number: CN201410622789.4A
Authority: CN
Inventors: 黄浩
Original assignee: Wuhu Hongkun Auto Parts Co Ltd
Current assignee: Wuhu Hongkun Auto Parts Co Ltd
Priority date: 2014-11-08
Filing date: 2014-11-08
Publication date: 2015-03-25

Abstract

The invention discloses sesame sauce residue/coal gangue compounded alcohol group casting paint and a preparation method thereof. The sesame sauce residue/coal gangue compounded alcohol group casting paint is characterized by being prepared from the following raw materials in parts by weight: 70-95 parts of corundum powder, 1.1-2.3 parts of titanium oxide, 2-3 parts of chromium oxide, 20-30 parts of cordierite, 25-35 parts of coal gangues, 0.4-0.6 part of sodium antimonite, 1-4 parts of graphene, 13-17 parts of sesame sauce residues, 1-2 parts of bentonite, 5-8 parts of polyvinyl alcohol carboxyl butyraldehyde, 45-60 parts of alcohol and 3-6 parts of auxiliaries. According to the sesame sauce residue/coal gangue compounded alcohol group casting paint disclosed by the invention, the sesame sauce residues and the coal gangues are modified and compounded and then are added into raw materials, so that not only can various comprehensive performances of the paint be strengthened, but also the environment is protected and the cost is lowered, and therefore, the paint has extremely high economic benefits and social benefits. The paint prepared by adopting the preparation method disclosed by the invention can reach the effects of the casting paint, and can realize the comprehensive utilization and cyclic utilization.

Description

Alcohol-base foundry coating of a kind of sesame paste slag/gangue compound and preparation method thereof

Technical field

The present invention relates to cast paint field, be specifically related to alcohol-base foundry coating of a kind of sesame paste slag/gangue compound and preparation method thereof.

Background technology

Cast paint refers to for being coated in die cavity or core surface, to change the casting auxiliary material of the performances such as its surperficial refractoriness, chemical stability, anti-metal erosion, anti-stick grittiness, the disperse system that it is made up of the material of multiple different in kind, its composition mainly comprises the compositions such as refractory material, suspending agent, carrier, binding agent and special additive.Require that coating has good processing performance, service behaviour, quality stability and applies reappearance when acting on foundry goods, can play heat insulation on the one hand, equalization temperature, exempt the object of the impingment corrosion of molten metal, the defect such as cracking, sand holes, white iron formation that can prevent cast product from causing because Local cooling is too fast on the other hand.Cast paint is of a great variety, substantially can be divided into two classes: water based paint and alcohol-base paint.Wherein alcohol-base paint is both curable through lighting after application, does not need to dry, and can shorten the production cycle, Simplified flowsheet, reduces drying plant investment, is be cast a kind of quick drying paint that boundary widely uses, has been widely used in the production of steel, iron, coloured foundry goods.

But alcohol-base foundry coating has many defects in prior art, such as: suspension stability is poor, in long-distance transport and deposit easy layering in process, resistance to elevated temperatures is poor, hardness is low, low, the anti-stick grittiness of poor chemical stability, anti-metal performance of flushing is weak, make alcohol-base foundry coating function singleness, cannot large-scale industrial production be met.

Summary of the invention

Object of the present invention is just to provide alcohol-base foundry coating of a kind of sesame paste slag/gangue compound 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 alcohol-base foundry coating of sesame paste slag/gangue compound, it is characterized in that, be made up of the raw material of following weight portion: schmigel 70-95, titanium oxide 1.1-2.3, chromium oxide 2-3, cordierite 20-30, gangue 25-35, sodium antimonate 0.4-0.6, Graphene 1-4, sesame paste slag 13-17, bentonite 1-2, polyvinyl alcohol carboxylic butyraldehyde 5-8, ethanol 45-60, auxiliary agent 3-6.

Described auxiliary agent is made up of following raw materials in part by weight: building waste 21-30, attapulgite clay 6-9, kaolin 75-95, Silane coupling reagent KH-570 1.2-3.5, nanometer silicon carbide 0.5-1.1, brown iron oxide 2-5, carboxymethyl cellulose 3-6, Nano zinc dioxide impact-resistant 0.6-1.3, glass microballoon 2-6, wollastonite 6-9, polyvinyl acetate emulsion 2.5-4.1, suitable quantity of water, its preparation method is by building waste, attapulgite clay, kaolin is put into calcining furnace and calcine 2-3 hour at 550-680 DEG C, take out, the hydrochloric acid solution putting into 8-12% soaks 4-5 hour, filter and take out, use clear water cyclic washing, dry and pulverize, add water stirring pulping, simultaneously, add Nano zinc dioxide impact-resistant, brown iron oxide grinds, spraying dry obtains xeraphium, Silane coupling reagent KH-570 is heated to 200-230 DEG C, stirs 10-20 minute, be cooled to 60-80 DEG C and add nanometer silicon carbide, glass microballoon high-speed stirred 20-30 minute obtained mixture, wollastonite is pulverized, adds polyvinyl acetate emulsion and stir 5-10 minute, then add above-mentioned obtained xeraphium, mixture and other residual components grinding granulation, dry and get final product.

The preparation method of the alcohol-base foundry coating of described a kind of sesame paste slag/gangue compound, is characterized in that comprising the following steps:

(1) sesame paste slag is put into retort calcination processing 3-4 hour at 450-550 DEG C, take out, the hydrochloric acid solution putting into 10-12% soaks 3-6 hour, filters and takes out, use clear water cyclic washing, dries and pulverizes, the sesame paste slag of obtained modification;

(2) modification sesame paste slag above-mentioned steps obtained stirs pulping and is heated to 140-160 DEG C together with the ethanol of gangue, 1/4 weight, keeps temperature to stir 1-2 hour, is cooled to 50-60 DEG C and adds sodium antimonate, Graphene grinding 30-40 minute;

(3) ethanol of bentonite and 1/5 weight is stirred, leave standstill 10-12 hour, then add titanium oxide, chromium oxide, polyvinyl alcohol carboxylic butyraldehyde be heated to 70-80 DEG C and stir 30-40 minute;

(4) schmigel, cordierite are pulverized and dropped in reactor, add the ethanol agitation grinding 10-15 minute of surplus, add step (2), (3) product, auxiliary agent again, temperature of reaction kettle is slowly risen to 75-85 DEG C simultaneously, keep temperature to stir 20-40 minute, grinding is until fineness reaches less than 50 μm.

The present invention has following beneficial effect: the present invention by sesame paste slag and gangue by modification in addition compound add in raw material; not only increase every combination property of coating; and protect environment; reduce cost; there is high economic benefit and social benefit; the coating obtained by said method can reach the effect that cast paint requires, achieves comprehensive utilization and recycles.

Detailed description of the invention

The alcohol-base foundry coating of described a kind of sesame paste slag/gangue compound, it is characterized in that, be made up of the raw material of following weight portion: schmigel 79, titanium oxide 1.1, chromium oxide 2, cordierite 20, gangue 25, sodium antimonate 0.4, Graphene 1, sesame paste slag 13, bentonite 1, polyvinyl alcohol carboxylic butyraldehyde 5, ethanol 45, auxiliary agent 6.

Described auxiliary agent is made up of following raw materials in part by weight: building waste 26, attapulgite clay 6, kaolin 79, Silane coupling reagent KH-570 1.5, nanometer silicon carbide 0.5, brown iron oxide 2, carboxymethyl cellulose 3, Nano zinc dioxide impact-resistant 0.6, glass microballoon 2, wollastonite 9, polyvinyl acetate emulsion 2.5, suitable quantity of water, its preparation method is by building waste, attapulgite clay, kaolin is put into calcining furnace and calcine 2-3 hour at 550-680 DEG C, take out, the hydrochloric acid solution putting into 8-12% soaks 4-5 hour, filter and take out, use clear water cyclic washing, dry and pulverize, add water stirring pulping, simultaneously, add Nano zinc dioxide impact-resistant, brown iron oxide grinds, spraying dry obtains xeraphium, Silane coupling reagent KH-570 is heated to 200-230 DEG C, stirs 10-20 minute, be cooled to 60-80 DEG C and add nanometer silicon carbide, glass microballoon high-speed stirred 20-30 minute obtained mixture, wollastonite is pulverized, adds polyvinyl acetate emulsion and stir 5-10 minute, then add above-mentioned obtained xeraphium, mixture and other residual components grinding granulation, dry and get final product.

Preparation method comprises the following steps:

The technical indicator of being processed the cast paint obtained by above-described embodiment is as follows:

(1) 24 hours coating suspension rates are placed: 98.3%;

(2) coating density: 1.36g/cm ³;

(3) normal temperature strength of coating is higher than 700g/mm;

(4) after 1200 DEG C of roastings the intensity of paint coatings higher than 500g/mm.

Claims

1. the alcohol-base foundry coating of sesame paste slag/gangue compound, it is characterized in that, be made up of the raw material of following weight portion: schmigel 70-95, titanium oxide 1.1-2.3, chromium oxide 2-3, cordierite 20-30, gangue 25-35, sodium antimonate 0.4-0.6, Graphene 1-4, sesame paste slag 13-17, bentonite 1-2, polyvinyl alcohol carboxylic butyraldehyde 5-8, ethanol 45-60, auxiliary agent 3-6, described auxiliary agent is made up of following raw materials in part by weight: building waste 21-30, attapulgite clay 6-9, kaolin 75-95, Silane coupling reagent KH-570 1.2-3.5, nanometer silicon carbide 0.5-1.1, brown iron oxide 2-5, carboxymethyl cellulose 3-6, Nano zinc dioxide impact-resistant 0.6-1.3, glass microballoon 2-6, wollastonite 6-9, polyvinyl acetate emulsion 2.5-4.1, suitable quantity of water, its preparation method is by building waste, attapulgite clay, kaolin is put into calcining furnace and calcine 2-3 hour at 550-680 DEG C, take out, the hydrochloric acid solution putting into 8-12% soaks 4-5 hour, filter and take out, use clear water cyclic washing, dry and pulverize, add water stirring pulping, simultaneously, add Nano zinc dioxide impact-resistant, brown iron oxide grinds, spraying dry obtains xeraphium, Silane coupling reagent KH-570 is heated to 200-230 DEG C, stirs 10-20 minute, be cooled to 60-80 DEG C and add nanometer silicon carbide, glass microballoon high-speed stirred 20-30 minute obtained mixture, wollastonite is pulverized, adds polyvinyl acetate emulsion and stir 5-10 minute, then add above-mentioned obtained xeraphium, mixture and other residual components grinding granulation, dry and get final product.

2. the preparation method of the alcohol-base foundry coating of a kind of sesame paste slag/gangue compound according to claim 1, is characterized in that comprising the following steps: