CN105086229A - Modified diatomite cable material and preparation method thereof - Google Patents
Modified diatomite cable material and preparation method thereof Download PDFInfo
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- CN105086229A CN105086229A CN201510470893.0A CN201510470893A CN105086229A CN 105086229 A CN105086229 A CN 105086229A CN 201510470893 A CN201510470893 A CN 201510470893A CN 105086229 A CN105086229 A CN 105086229A
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- quaternary ammonium
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Abstract
The invention discloses a modified diatomite cable material. The modified diatomite cable material is composed of, by weight, 1-2 parts of sodium polycarboxylic acid, 4-6 parts of APEG, 570-600 parts of polyvinyl chloride, 17-20 parts of fulvic acid, 0.06-0.1 part of sodium iodide, 40-50 parts of isopropyl alcohol, 70-100 parts of soapstone, 2-3 parts of sp80, 20-30 parts of lactide, 0.2-0.25 part of L-arginine, 1-2 parts of sorbitan monooleate, 10-14 parts of ethyl acrylate, 3-5 parts of palm wax and 17-20 parts of diatomite. The cable sheath material has good physical and mechanical properties, and is excellent in oil resistance, heat resistance, burning resistance, sunlight resistance, ozone resistance, ageing resistance and acid and alkali resistance.
Description
Technical field
The present invention relates to field of cable technology, particularly relate to a kind of diatomite modified CABLE MATERIALS and preparation method thereof.
Background technology
Poly(lactic acid) is environment-friendly material, there is good physicals, but biocompatibility and degradability., poly(lactic acid) thermotolerance, toughness and crystal property poor, constrain its application, therefore, polylactic acid modified be the focus of poly(lactic acid) research always, main method of modifying has modification by copolymerization, blending and modifying and doping packing technique etc., wherein adopt blending and modifying comparatively conventional, in recent years by preparation poly(lactic acid)/laminated nm-silicate composite material, study hotspot is become with the over-all properties improving polymer materials, saponite is the layered silicate of trioctahedron structure specific to Xinjiang of China, because having excellent surface property, expansion character, cation exchange capacity (CEC) and receiving much concern, in order to improve the interface compatibility of saponite and polymkeric substance, saponite organic modification is very crucial, because the interlamellar spacing of saponite after organic modification increases, be conducive to the structure that polymkeric substance obtains intercalation or stripping, realize the nano modification to polymer materials, thus improve the performance of polymkeric substance, the saponite properties-correcting agent mainly alkyl quaternary ammonium salts of current most study, the research of the aspects such as the quaternary ammonium salt-modified saponite of yellow humic acid is then seldom reported.
If CABLE MATERIALS poor heat resistance, just easily aging, come off, so not only cause the difficulty of maintenance, consume more multiple resource, also can cause cable operation irregularity, cause uncertain disaster, polylactic acid modified saponite joins in cable sheath material as filler by the present invention, mainly in order to improve its resistance toheat, improving safety coefficient, postponing work-ing life.。
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of diatomite modified CABLE MATERIALS and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of diatomite modified CABLE MATERIALS, it is made up of the raw material of following weight parts:
Poly carboxylic acid sodium 1-2, allyl polyglycol 4-6, polyvinyl chloride 570-600, yellow humic acid 17-20, sodium iodide 0.06-0.1, Virahol 40-50, saponite 70-100, sp802-3, rac-Lactide 20-30, L-arginine 0.2-0.25, sorbitan monooleate 1-2, polyethyl acrylate 10-14, palm wax 3-5, diatomite 17-20.
A preparation method for described diatomite modified CABLE MATERIALS, comprises the following steps:
(1) above-mentioned diatomite is calcined 1-2 hour at 700-800 DEG C, cooling discharging, wear into fine powder;
(2) joined in 10-15 times of water by above-mentioned poly carboxylic acid sodium, stir, add sorbitan monooleate, palm wax, raised temperature is 70-80 DEG C, adds above-mentioned diatomite fine powder, and insulated and stirred is done to water, obtains modification infusorial earth;
(3) get the 20-30% of polyethyl acrylate weight, mix with allyl polyglycol, insulated and stirred 4-6 minute at 60-70 DEG C, obtain alcohol ester solution;
(4) yellow humic acid is joined in the ammoniacal liquor of 2-3 times of 25-28%, insulation reaction 50-60 minute at 150-160 DEG C, obtain yellow humic acid acid amides;
(5) be mixed to join in Virahol by yellow humic acid acid amides, sodium iodide, react 20-25 hour, underpressure distillation at 70-100 DEG C, removing Virahol, lyophilize, obtains yellow humic acid quaternary ammonium salt;
(6) yellow humic acid quaternary ammonium salt is joined in 46-50 times of water, stir, obtain yellow humic acid quaternary ammonium salt aqueous solution;
(7) saponite is worn into fine powder, join in 40-45 times of water, add sp80, ultrasonic agitation 20-24 hour, add yellow humic acid quaternary ammonium salt aqueous solution, at the stirred in water bath 8-10 hour of 50-60 DEG C, discharging, at 30-35 DEG C, ultrasound wave irradiation 10-12 hour under frequency 18-20kHz, by product suction filtration, washing, vacuum-drying, obtains quaternary ammonium salts saponite;
(8) by rac-Lactide, quaternary ammonium salts saponite, modification infusorial earth, L-arginine mixing, join in reactor, slowly heat under vacuum condition, raised temperature is 150-165 DEG C, insulation reaction 45-50 hour, cooling, by product acetone solution, add alcohol ester solution, appropriate amount of deionized water, stir 30-40 minute, leave standstill 10-12 hour, filter, to vacuum-drying be precipitated, obtain polylactic acid modified quaternary ammonium salts saponite;
(9) mixed with each raw material of residue by above-mentioned polylactic acid modified quaternary ammonium salts saponite, pre-heat agitated 7-10 minute at 80-100 DEG C, send into forcing machine, melt extrude, cooling, granulation, obtain described CABLE MATERIALS.
Advantage of the present invention is:
Quaternary ammonium salts saponite of the present invention and poly(lactic acid) produce stronger interfacial interaction, nano level microcosmic phase interface is formed with polylactic acid based body, firm network structure is formed between inorganic phase and polymer organic phase, make retard motion between polylactic acid molecule, on the other hand, when material internal generation thermolysis, laminated structure due to saponite has good barrier property, lamella has provide protection to the polymer molecule outside interlayer and layer, thus delayed thermolysis speed, improve heat decomposition temperature;
The cell walls of bacterium is mainly made up of electronegative peptidoglycan, therefore the cell walls of bacterium is electronegative, and saponite belongs to layered silicate, also certain adsorption is had to bacterium, when after saponite and yellow humic acid quaternary ammonium salt generation ion-exchange, sheet surfaces is covered by long alkyl chain, thus make the surperficial microenvironment of saponite become lipophilicity from wetting ability, thus yellow humic acid quaternary ammonium salts saponite can by oleophilic function attracts bacteria, the bacterium be adsorbed onto on yellow humic acid quaternary ammonium salts saponite is slowly killed or hinders bacterial respiratory by yellow humic acid quaternary ammonium salt ion and causes bacterium to be out of shape death, yellow humic acid quaternary ammonium salts saponite adds in poly(lactic acid) and imparts its anti-microbial property, in polylactic acid modified quaternary ammonium salts saponite material, saponite is in peeling off state, surface area ratio is larger, the yellow humic acid quaternary ammonium salt on surface is that a class has compared with the surface-active antiseptic-germicide of strong cation, the quaternary ammonium salt group of its positively charged is adsorbed by electronegative selective bacterium by electrostatic interaction, then enter bacterium inside by infiltration and diffusion and reach the effect of killing bacterium, therefore the bacteriostasis antibiosis performance of finished-product material can well be improved.
Cable jacket material of the present invention has good physical and mechanical properties, and oil resistant is heat-resisting, resistance to combustion, resistance to daylight, and resistance to ozone is ageing-resistant, and acid-proof alkaline is excellent.
Embodiment
A kind of diatomite modified CABLE MATERIALS, it is made up of the raw material of following weight parts:
Poly carboxylic acid sodium 1, allyl polyglycol 4, polyvinyl chloride 570, yellow humic acid 17, sodium iodide 0.06, Virahol 40, saponite 70, sp802, rac-Lactide 20, L arginine 0.2, sorbitan monooleate 1, polyethyl acrylate 10, palm wax 3, diatomite 17.
A preparation method for described diatomite modified CABLE MATERIALS, comprises the following steps:
(1) calcined 1 hour at 700 DEG C by above-mentioned diatomite, cooling discharging, wears into fine powder;
(2) joined in 10 times of water by above-mentioned poly carboxylic acid sodium, stir, add sorbitan monooleate, palm wax, raised temperature is 70 DEG C, adds above-mentioned diatomite fine powder, and insulated and stirred is done to water, obtains modification infusorial earth;
(3) get 20% of polyethyl acrylate weight, mix with allyl polyglycol, at 60 DEG C, insulated and stirred 4 minutes, obtains alcohol ester solution;
(4) joined by yellow humic acid in the ammoniacal liquor of 2 times 25%, at 150 DEG C, insulation reaction 50 minutes, obtains yellow humic acid acid amides;
(5) be mixed to join in Virahol by yellow humic acid acid amides, sodium iodide, react 20 hours, underpressure distillation at 70 DEG C, removing Virahol, lyophilize, obtains yellow humic acid quaternary ammonium salt;
(6) yellow humic acid quaternary ammonium salt is joined in 46 times of water, stir, obtain yellow humic acid quaternary ammonium salt aqueous solution;
(7) saponite is worn into fine powder, join in 40 times of water, add sp80, ultrasonic agitation 20 hours, add yellow humic acid quaternary ammonium salt aqueous solution, the stirred in water bath 8 hours of 50 DEG C, discharging, at 30 DEG C, ultrasound wave irradiation 10 hours under frequency 18kHz, by product suction filtration, washing, vacuum-drying, obtains quaternary ammonium salts saponite;
(8) by rac-Lactide, quaternary ammonium salts saponite, modification infusorial earth, the mixing of L arginine, join in reactor, slowly heat under vacuum condition, raised temperature is 150 DEG C, insulation reaction 45 hours, cooling, by product acetone solution, add alcohol ester solution, appropriate amount of deionized water, stir 30 minutes, leave standstill 10 hours, filter, to vacuum-drying be precipitated, obtain polylactic acid modified quaternary ammonium salts saponite;
(9) mixed with each raw material of residue by above-mentioned polylactic acid modified quaternary ammonium salts saponite, pre-heat agitated 7 minutes at 80 DEG C, send into forcing machine, melt extrude, cooling, granulation, obtain described CABLE MATERIALS.
Performance test
Tensile strength: 18.8MPa;
Elongation at break: 354%;
Soak 2 hours in water, material rate of body weight gain :≤0.01%;
Heat aging performance (100 DEG C, 170h): tensile strength velocity of variation-8.2%, elongation at break velocity of variation-8.9%.
Claims (2)
1. a diatomite modified CABLE MATERIALS, is characterized in that what it was made up of the raw material of following weight parts:
Poly carboxylic acid sodium 1-2, allyl polyglycol 4-6, polyvinyl chloride 570-600, yellow humic acid 17-20, sodium iodide 0.06-0.1, Virahol 40-50, saponite 70-100, sp802-3, rac-Lactide 20-30, L-arginine 0.2-0.25, sorbitan monooleate 1-2, polyethyl acrylate 10-14, palm wax 3-5, diatomite 17-20.
2. a preparation method for diatomite modified CABLE MATERIALS as claimed in claim 1, is characterized in that comprising the following steps:
(1) above-mentioned diatomite is calcined 1-2 hour at 700-800 DEG C, cooling discharging, wear into fine powder;
(2) joined in 10-15 times of water by above-mentioned poly carboxylic acid sodium, stir, add sorbitan monooleate, palm wax, raised temperature is 70-80 DEG C, adds above-mentioned diatomite fine powder, and insulated and stirred is done to water, obtains modification infusorial earth;
(3) get the 20-30% of polyethyl acrylate weight, mix with allyl polyglycol, insulated and stirred 4-6 minute at 60-70 DEG C, obtain alcohol ester solution;
(4) yellow humic acid is joined in the ammoniacal liquor of 2-3 times of 25-28%, insulation reaction 50-60 minute at 150-160 DEG C, obtain yellow humic acid acid amides;
(5) be mixed to join in Virahol by yellow humic acid acid amides, sodium iodide, react 20-25 hour, underpressure distillation at 70-100 DEG C, removing Virahol, lyophilize, obtains yellow humic acid quaternary ammonium salt;
(6) yellow humic acid quaternary ammonium salt is joined in 46-50 times of water, stir, obtain yellow humic acid quaternary ammonium salt aqueous solution;
(7) saponite is worn into fine powder, join in 40-45 times of water, add sp80, ultrasonic agitation 20-24 hour, add yellow humic acid quaternary ammonium salt aqueous solution, at the stirred in water bath 8-10 hour of 50-60 DEG C, discharging, at 30-35 DEG C, ultrasound wave irradiation 10-12 hour under frequency 18-20kHz, by product suction filtration, washing, vacuum-drying, obtains quaternary ammonium salts saponite;
(8) by rac-Lactide, quaternary ammonium salts saponite, modification infusorial earth, L-arginine mixing, join in reactor, slowly heat under vacuum condition, raised temperature is 150-165 DEG C, insulation reaction 45-50 hour, cooling, by product acetone solution, add alcohol ester solution, appropriate amount of deionized water, stir 30-40 minute, leave standstill 10-12 hour, filter, to vacuum-drying be precipitated, obtain polylactic acid modified quaternary ammonium salts saponite;
(9) mixed with each raw material of residue by above-mentioned polylactic acid modified quaternary ammonium salts saponite, pre-heat agitated 7-10 minute at 80-100 DEG C, send into forcing machine, melt extrude, cooling, granulation, obtain described CABLE MATERIALS.
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102993598A (en) * | 2012-10-22 | 2013-03-27 | 江苏晨电太阳能光电科技有限公司 | Flame-resistant polyvinyl chloride cable material |
CN103788723A (en) * | 2014-02-27 | 2014-05-14 | 新疆大学 | Modified soapstone, quaternary ammonium polylactide/fulvate modified soapstone composite material and preparation methods and products thereof |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102993598A (en) * | 2012-10-22 | 2013-03-27 | 江苏晨电太阳能光电科技有限公司 | Flame-resistant polyvinyl chloride cable material |
CN103788723A (en) * | 2014-02-27 | 2014-05-14 | 新疆大学 | Modified soapstone, quaternary ammonium polylactide/fulvate modified soapstone composite material and preparation methods and products thereof |
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Application publication date: 20151125 |