CN105295227A - Low-cost tailing rice transplanter plastic casing material and preparation method thereof - Google Patents

Abstract

The invention discloses a low-cost tailing rice transplanter plastic casing material. The low-cost tailing rice transplanter plastic casing material is prepared from, by weight, 1-2 parts of hexamethyl cyclotrisiloxane, 30-48 parts of light calcium carbonate, 0.1-0.2 part of trichloro-sym-diphenylurea, 3-4 parts of carbon nano tubes, 40-50 parts of thionyl chloride, 3-5 parts of N,N-dimethylformamide, 100-120 parts of ethidene diamine, 16-20 parts of melamine, 3-4 parts of boric acid, 36-40 parts of 35%-37% formaldehyde aqueous solution, 170-200 parts of polyvinyl chloride, 20-30 parts of 75 wt%-80 wt% sulfuric acid, 30-40 parts of 95 wt%-98 wt% nitric acid, 1-1.7 parts of potassium fluosilicate, 3-4 parts of polyisocyanates, 10-12 parts of methyl parahydroxybenzoats, 5-7 parts of allyl alcohol and 4-7 parts of tailings. The tailings and other waste are added, production cost can be effectively reduced, and production gains are increased.

Description

A kind of low cost tailings rice transplanter plastic housing material and preparation method thereof

Technical field

The present invention relates to rice transplanter technical field, particularly relate to a kind of low cost tailings rice transplanter plastic housing material and preparation method thereof.

Background technology

Carbon nanotube has excellent mechanical property and self lubricity, as packing material, be scattered in PVC base system if can all hook, and form good interface compatibility between energy and PVC base system, then effectively can improve mechanical property and the frictional behaviour of PVC base system.But, due to the surface energy of carbon nanotube and specific surface area large, cause carbon nanotube easily to be reunited; Meanwhile, carbon nano tube surface presents very strong nonpolar, makes it be insoluble to any solvent and polymkeric substance.Therefore, in order to improve the dispersiveness of carbon nanotube in polymeric matrix, strengthening the interface compatibility between carbon nanotube and polymeric matrix, needing to introduce functional group in carbon nano tube surface, improving carbon nano tube surface active.

At present, the research about functionalization is a lot, mainly concentrates on the impact of carbon nanotube for polymer architecture and macro property.Much research is also own verified, the functionalization of carbon nanotube, effectively can introduce organo-functional group in carbon nano tube surface, reduce the surface energy of carbon nanotube, improve the agglomeration of carbon nanotube, improve the dispersiveness of carbon nanotube in polymeric matrix, strengthen interfacial adhesion between the two.

Summary of the invention

The object of the invention is exactly the defect in order to make up prior art, provides a kind of low cost tailings rice transplanter plastic housing material and preparation method thereof.

The present invention is achieved by the following technical solutions:

A kind of low cost tailings rice transplanter plastic housing material, it is made up of the raw material of following weight parts:

The formalin 36-40 of hexamethyl cyclotrisiloxane 1-2, light calcium carbonate 30-48, TCC 0.1-0.2, carbon nanotube 3-4, sulfur oxychloride 40-50, DMF 3-5, quadrol 100-120, trimeric cyanamide 16-20, boric acid 3-4,35-37%, the nitric acid 30-40 of sulfuric acid 20-30,95-98wt% of polyvinyl chloride 170-200,75-80wt%, potassium silicofluoride 1-1.7, polyisocyanates 3-4, methyl p-hydroxybenzoate 10-12, vinylcarbinol 5-7, tailings 4-7.

A preparation method for described low cost tailings rice transplanter plastic housing material, comprises the following steps:

(1) mixed with potassium silicofluoride by above-mentioned tailings, at 300-350 DEG C, calcine 1-2 hour, cooling, joins in compound weight 6-10 times deionized water, and drip the sulfuric acid of 95-97%, adjustment PH is 1-2, stirring reaction 2-3 hour, filters, obtains filter residue;

(2) nitric acid of the sulfuric acid of above-mentioned 75-80wt%, 95-98wt% is mixed, stir, add carbon nanotube, sonic oscillation 2-3 hour in the water bath with thermostatic control of 50-60 DEG C, add system weight 8-10 deionized water dilution doubly, insulation leaves standstill, after solution layering, discard supernatant liquid, by lower floor's solution suction filtration, filter cake is mixed with above-mentioned filter residue, stirs, vacuum-drying 10-13 hour at 80-90 DEG C, obtains acidifying carbon nanotube;

(3) above-mentioned sulfur oxychloride is mixed with DMF, stir, add above-mentioned acidifying carbon nanotube, insulated and stirred 20-24 hour in the water-bath of 70-75 DEG C, washs reaction product anhydrous tetrahydro furan, suction filtration, vacuum-drying, obtains chloride carbon nanotube;

(4) mixed with quadrol by above-mentioned chloride carbon nanotube, insulated and stirred 46-50 hour in the oil bath of 100-105 DEG C, washs reaction product methylene dichloride and dehydrated alcohol, suction filtration, vacuum-drying successively, obtains amination carbon nanotube;

(5) by above-mentioned polyisocyanates, vinylcarbinol mixing, insulated and stirred 3-4 minute at 70-76 DEG C, add the 20-30% of above-mentioned light calcium carbonate weight, be stirred to normal temperature, mix with amination carbon nanotube, add hexamethyl cyclotrisiloxane, 200-300 rev/min is stirred 4-10 minute, obtains premix amination carbon nanotube;

(6) by the formalin of above-mentioned trimeric cyanamide, 35-37%, the mixing of premix amination carbon nanotube, insulated and stirred 10-20 minute at 70-75 DEG C, adjustment PH is 8-9, insulation reaction 2-3 hour, be placed in the vacuum drying oven of 30-35 DEG C, regulate PH to be 5-6 with citric acid after dewatering, in the baking oven of 50-60 DEG C, solidify 7-8 hour, obtain carbon nano-tube modification melmac;

(7) by above-mentioned TCC, methyl p-hydroxybenzoate mixing, stir, add carbon nano-tube modification melmac, preheating 5-7 minute at 80-90 DEG C, mix with each raw material of residue, stir, send into twin screw extruder and melt extrude, the product extruded, through circulator bath cooling and pelletizing, to obtain final product.

Advantage of the present invention is:

First the present invention adopts nitration mixture process carbon nanotube, introduces oxy radical, the Hyarogen-bonding between carbon nanotube can be made to strengthen, and reduces the winding state of carbon nanotube, improves its dispersiveness; Then through amination treatment, the surface energy of carbon nanotube can be reduced, eliminate its surface charge, improve the dispersive ability of carbon nanotube, increase the interface binding power of itself and matrix; And by modified carbon nanotube and trimeric cyanamide, formalin copolymerization melmac, the group of modified carbon nano tube surface can form hydrogen bond and other polar interaction with the amino in melmac, thus improve the heat-resistant stability of matrix material, play promoter action for improving finished product structure stability_intensity;

Present invention adds the waste materials such as tailings, can production cost be effectively reduced, improve Production Gain.

Embodiment

A kind of low cost tailings rice transplanter plastic housing material, it is made up of the raw material of following weight parts:

The formalin 36 of hexamethyl cyclotrisiloxane 1, light calcium carbonate 30, TCC 0.1, carbon nanotube 3, sulfur oxychloride 40, DMF 3, quadrol 100, trimeric cyanamide 16, boric acid 3,35%, polyvinyl chloride 170, the sulfuric acid 20 of 75wt%, the nitric acid 30 of 95wt%, potassium silicofluoride 1, polyisocyanates 3, methyl p-hydroxybenzoate 10, vinylcarbinol 5, tailings 4.

A preparation method for described low cost tailings rice transplanter plastic housing material, comprises the following steps:

(1) mixed with potassium silicofluoride by above-mentioned tailings, calcine 1 hour at 300 DEG C, cooling, joins in compound weight 6 times of deionized waters, drips the sulfuric acid of 95%, regulates PH to be 1, stirring reaction 2 hours, filters, obtains filter residue;

(2) nitric acid of the sulfuric acid of above-mentioned 75wt%, 95wt% is mixed, stir, add carbon nanotube, sonic oscillation 2 hours in the water bath with thermostatic control of 50 DEG C, add the deionized water dilution of system weight 8 times, insulation leaves standstill, after solution layering, discard supernatant liquid, by lower floor's solution suction filtration, filter cake is mixed with above-mentioned filter residue, stirs, at 80 DEG C, vacuum-drying 10 hours, obtains acidifying carbon nanotube;

(3) above-mentioned sulfur oxychloride is mixed with DMF, stir, add above-mentioned acidifying carbon nanotube, in the water-bath of 70 DEG C, insulated and stirred 20 hours, washs reaction product anhydrous tetrahydro furan, suction filtration, vacuum-drying, obtains chloride carbon nanotube;

(4) mixed with quadrol by above-mentioned chloride carbon nanotube, in the oil bath of 100 DEG C, insulated and stirred 46 hours, washs reaction product methylene dichloride and dehydrated alcohol successively, suction filtration, vacuum-drying, obtains amination carbon nanotube;

(5) by above-mentioned polyisocyanates, vinylcarbinol mixing, insulated and stirred 3 minutes at 70 DEG C, adds 20% of above-mentioned light calcium carbonate weight, be stirred to normal temperature, mix with amination carbon nanotube, add hexamethyl cyclotrisiloxane, 200 revs/min are stirred 4 minutes, obtain premix amination carbon nanotube;

(6) by above-mentioned trimeric cyanamide, 35% formalin, premix amination carbon nanotube mixing, insulated and stirred 10 minutes at 70 DEG C, PH is regulated to be 8, insulation reaction 2 hours, be placed in the vacuum drying oven of 30 DEG C, regulate PH to be 5 with citric acid after dewatering, solidify 7 hours in the baking oven of 50 DEG C, obtain carbon nano-tube modification melmac;

(7) by above-mentioned TCC, methyl p-hydroxybenzoate mixing, stir, add carbon nano-tube modification melmac, preheating 5 minutes at 80 DEG C, mix with each raw material of residue, stir, send into twin screw extruder and melt extrude, the product extruded, through circulator bath cooling and pelletizing, to obtain final product.

Performance test:

Tensile strength: 22.5MPa;

Low temperature brittleness impact temperature (DEG C) :-30 DEG C are passed through;

Fire-retardant rank: V-0;

After 100 DEG C × 240h hot air aging: tensile strength velocity of variation (%)-7.9;

Extension at break velocity of variation (%)-7.0.

Claims (2)

1. a low cost tailings rice transplanter plastic housing material, is characterized in that, it is made up of the raw material of following weight parts:

The formalin 36-40 of hexamethyl cyclotrisiloxane 1-2, light calcium carbonate 30-48, TCC 0.1-0.2, carbon nanotube 3-4, sulfur oxychloride 40-50, DMF 3-5, quadrol 100-120, trimeric cyanamide 16-20, boric acid 3-4,35-37%, the nitric acid 30-40 of sulfuric acid 20-30,95-98wt% of polyvinyl chloride 170-200,75-80wt%, potassium silicofluoride 1-1.7, polyisocyanates 3-4, methyl p-hydroxybenzoate 10-12, vinylcarbinol 5-7, tailings 4-7.

2. a preparation method for low cost tailings rice transplanter plastic housing material as claimed in claim 1, is characterized in that comprising the following steps:

(1) mixed with potassium silicofluoride by above-mentioned tailings, at 300-350 DEG C, calcine 1-2 hour, cooling, joins in compound weight 6-10 times deionized water, and drip the sulfuric acid of 95-97%, adjustment PH is 1-2, stirring reaction 2-3 hour, filters, obtains filter residue;

(2) nitric acid of the sulfuric acid of above-mentioned 75-80wt%, 95-98wt% is mixed, stir, add carbon nanotube, sonic oscillation 2-3 hour in the water bath with thermostatic control of 50-60 DEG C, add system weight 8-10 deionized water dilution doubly, insulation leaves standstill, after solution layering, discard supernatant liquid, by lower floor's solution suction filtration, filter cake is mixed with above-mentioned filter residue, stirs, vacuum-drying 10-13 hour at 80-90 DEG C, obtains acidifying carbon nanotube;

(3) above-mentioned sulfur oxychloride is mixed with DMF, stir, add above-mentioned acidifying carbon nanotube, insulated and stirred 20-24 hour in the water-bath of 70-75 DEG C, washs reaction product anhydrous tetrahydro furan, suction filtration, vacuum-drying, obtains chloride carbon nanotube;

(4) mixed with quadrol by above-mentioned chloride carbon nanotube, insulated and stirred 46-50 hour in the oil bath of 100-105 DEG C, washs reaction product methylene dichloride and dehydrated alcohol, suction filtration, vacuum-drying successively, obtains amination carbon nanotube;

(5) by above-mentioned polyisocyanates, vinylcarbinol mixing, insulated and stirred 3-4 minute at 70-76 DEG C, add the 20-30% of above-mentioned light calcium carbonate weight, be stirred to normal temperature, mix with amination carbon nanotube, add hexamethyl cyclotrisiloxane, 200-300 rev/min is stirred 4-10 minute, obtains premix amination carbon nanotube;

(6) by the formalin of above-mentioned trimeric cyanamide, 35-37%, the mixing of premix amination carbon nanotube, insulated and stirred 10-20 minute at 70-75 DEG C, adjustment PH is 8-9, insulation reaction 2-3 hour, be placed in the vacuum drying oven of 30-35 DEG C, regulate PH to be 5-6 with citric acid after dewatering, in the baking oven of 50-60 DEG C, solidify 7-8 hour, obtain carbon nano-tube modification melmac;

(7) by above-mentioned TCC, methyl p-hydroxybenzoate mixing, stir, add carbon nano-tube modification melmac, preheating 5-7 minute at 80-90 DEG C, mix with each raw material of residue, stir, send into twin screw extruder and melt extrude, the product extruded, through circulator bath cooling and pelletizing, to obtain final product.