CN106366385A - Corrosion-resistant high-mechanical-strength cable insulation material - Google Patents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L15/00—Compositions of rubber derivatives
- C08L15/005—Hydrogenated nitrile rubber
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/38—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes condensation products of aldehydes with amines or amides
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
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- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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Abstract
The invention discloses a corrosion-resistant high-mechanical-strength cable insulation material which is prepared from the following raw materials in parts by weight: 20 to 30 parts of urea resin, 15 to 25 parts of ethylene octylene segmented copolymer, 20 to 40 parts of hydrogenated butadiene-acrylonitrile rubber, 1 to 2 parts of white factice, 3 to 7 parts of modified lecithin, 1.5 to 3 parts of castor oil, 0.5 to 1 part of cresyl diphenyl phosphate, 0.8 to 1.2 parts of benzyl butyl phthalate, 0.1 to 0.5 part of dioctyl phthalate, 6 to 14 parts of talcum powder, 8 to 12 parts of lignin, 6 to 12 parts of coconut fiber, 3 to 9 parts of asbestos, 6 to 10 parts of sea-foam stone powder, 1.5 to 2.5 parts of colorant, 1.5 to 3 parts of stabilizer, 1.5 to 2.5 parts of antistatic agent and 1.5 to 3 parts of 1010 antioxidant. The corrosion-resistant high-mechanical-strength cable insulation material is good in thermal stability, high in mechanical strength and excellent in corrosion resistance.
Description
Technical field
The present invention relates to field of cable technology, more particularly, to a kind of corrosion-resistant high mechanical strength cable insulating material.
Background technology
With rapid development of economy, the demand of cable insulating material increasing it is desirable to more and more higher, traditional cable
Insulation Material is faced with huge challenge, electric wire as electric energy and information transfer body, in transportation, industrial mine, electricity
The every field of the lives such as gas communication can see cable miscellaneous, and with the increase of cable status in life, it is exhausted
Edge material quality is also increasingly subject to people's attention, and heat stability, mechanical strength and the corrosion resistance of current cable insulating material
Demand can also be can not meet.
Content of the invention
The technical problem being existed based on background technology, the present invention proposes a kind of corrosion-resistant high mechanical strength cable insulation
Material, heat stability is good, high mechanical strength, excellent anti-corrosion performance.
A kind of corrosion-resistant high mechanical strength cable insulating material proposed by the present invention, its raw material includes by weight: ureaformaldehyde tree
Fat 20-30 part, ethylene octene block copolymer 15-25 part, hydrogenated nitrile-butadiene rubber 20-40 part, white factice 1-2 part, modified lecithin
Fat 3-7 part, Oleum Ricini 1.5-3 part, phosphate toluene diphenyl ester 0.5-1 part, BBP(Butyl Benzyl Phthalate 0.8-1.2 part, adjacent benzene two
Formic acid dioctyl ester 0.1-0.5 part, Pulvis Talci 6-14 part, lignin 8-12 part, cocoanut fiber 6-12 part, asbestos 3-9 part, meerschaum
Powder 6-10 part, coloring agent 1.5-2.5 part, stabilizer 1.5-3 part, antistatic additive 1.5-2.5 part, 1010 antioxidant 1.5-3 parts.
Preferably, the weight of Lauxite, ethylene octene block copolymer, hydrogenated nitrile-butadiene rubber is than for 22-28:17-23:
25-35.
Preferably, the weight of white factice, modified lecithin, Oleum Ricini is than for 1.4-1.6:4-6:2-2.5.
Preferably, the weight of Pulvis Talci, lignin, cocoanut fiber, asbestos, sepiolite powder is than for 8-12:9-11:8-10:
5-7:7-9.
Preferably, modified lecithin adopts following technique preparation: sodium carboxymethyl cellulose, hyaluronic acid, water mixing are stirred
Mix, add arginine mix and blend, regulation system ph value to 5.5-6, add 1- alkyl -3- (3- dimethyl aminopropyl) carbonization two
Imines, the stirring of n- hydroxyl -7- azo BTA, add dehydrated alcohol to place and obtain modified carboxy methyl cellulose sodium；By ovum
Phospholipid, dehydrated alcohol mix homogeneously, add Bacterial cellulose stirring, ultrasonic vibration, filter, it is water-soluble that procyanidin sent into by filter cake
It is stirred at room temperature in liquid, modified carboxy methyl cellulose sodium, washing, lyophilization obtains modified lecithin.
Preferably, modified lecithin adopts following technique preparation: sodium carboxymethyl cellulose, hyaluronic acid, water mixing are stirred
Mix 25-45min, add arginine mix and blend 35-65min, regulation system ph value to 5.5-6, add 1- alkyl -3- (3- bis-
Methyl aminopropyl) carbodiimides, n- hydroxyl -7- azo BTA stirring 25-55min, whipping temp be 1.5-2.5
DEG C, add dehydrated alcohol to place 1-5h, obtain modified carboxy methyl cellulose sodium；By lecithin, dehydrated alcohol mix homogeneously, add
Bacterial cellulose stirs 15-25h, and mixing speed is 300-360r/min, and whipping temp is 30-40 DEG C, ultrasonic vibration 45-
85min, ultrasonic power is 550-650w, filters, room temperature in filter cake feeding procyanidin aqueous solution, modified carboxy methyl cellulose sodium
Stirring 2-4h, washing, lyophilization obtains modified lecithin.
Preferably, modified lecithin adopts following technique preparation: by weight by 10-20 part sodium carboxymethyl cellulose, 4-6
Part hyaluronic acid, 70-110 part water mix and blend 25-45min, add 0.3-0.7 part arginine mix and blend 35-65min, adjust
Section system ph value, to 5.5-6, adds 0.4-0.6 part 1- alkyl -3- (3- dimethyl aminopropyl) carbodiimides, 0.4-0.8 part
N- hydroxyl -7- azo BTA stirs 25-55min, and whipping temp is 1.5-2.5 DEG C, adds 10-20 part dehydrated alcohol to put
Put 1-5h, obtain modified carboxy methyl cellulose sodium；By weight by 3-7 part lecithin, 90-170 part dehydrated alcohol mix homogeneously,
Add 12-16 part Bacterial cellulose stirring 15-25h, mixing speed is 300-360r/min, and whipping temp is 30-40 DEG C, ultrasonic
Concussion 45-85min, ultrasonic power is 550-650w, filters, and the procyanidin water that 80-150 part concentration is 2-4g/l sent into by filter cake
2-4h is stirred at room temperature in solution, 15-25 part modified carboxy methyl cellulose sodium, washing, lyophilization obtains modified lecithin.
The present invention adopts conventional fabrication process to be obtained.
The present invention adopts hydrogenated nitrile-butadiene rubber, Lauxite, ethylene octene block copolymer mating reaction, mechanical strength
Height, heat stability is good, and under modified lecithin effect, the compatibility is good, and white factice, Oleum Ricini mating reaction, and plasticization effect shows
Write, mechanical strength further enhances；In the modified lecithin of the present invention, after lecithin is combined with Bacterial cellulose, procyanidin
Further crosslinking is carried out to lecithin, after making crosslinking, lecithin is coated on Bacterial cellulose surface, not only there is the three-dimensional of uniqueness
Nanostructured, and good with the compatibility of modified carboxy methyl cellulose sodium, mechanical performance can be effectively improved, lecithin is thin simultaneously
Fungin surface distributed uniformly, and is diffused to the inside of Bacterial cellulose, overall crosslinked uniform, makes globality of the present invention
Good, plasticization effect is excellent；And in modified carboxy methyl cellulose sodium, hyaluronic acid, sodium carboxymethyl cellulose synergism, can have
Effect overcomes respective shortcoming, and not only mechanical performance is excellent, and has the excellent compatibility and between unclassified stores, and heat stability is high, with
When not degradable, acid corrosion-resistant；Modified lecithin and dioctyl phthalate, BBP(Butyl Benzyl Phthalate, tricresyl phosphate two
Phenyl ester carries out mating reaction, and resistance to thermo-oxidative stability is good, and mutual mixing uniformity is good, can be in the premise ensureing hardness of the present invention
Under, strengthen the toughness of the present invention；Modified lecithin and lignin, Pulvis Talci, sepiolite powder, cocoanut fiber, asbestos mating reaction,
Make the present invention not degradable, excellent anti-corrosion performance, mechanical performance further enhances.
Specific embodiment
Below, by specific embodiment, technical scheme is described in detail.
Embodiment 1
A kind of corrosion-resistant high mechanical strength cable insulating material proposed by the present invention, its raw material includes by weight: ureaformaldehyde tree
20 parts of fat, 25 parts of ethylene octene block copolymer, 20 parts of hydrogenated nitrile-butadiene rubber, 2 parts of white factice, 3 parts of modified lecithin, Oleum Ricini
3 parts, 0.5 part of phosphate toluene diphenyl ester, 1.2 parts of BBP(Butyl Benzyl Phthalate, 0.1 part of dioctyl phthalate, Pulvis Talci 14
Part, 8 parts of lignin, 12 parts of cocoanut fiber, 3 parts of asbestos, 10 parts of sepiolite powder, 1.5 parts of coloring agent, 3 parts of stabilizer, antistatic additive
1.5 parts, 1,010 3 parts of antioxidant.
Embodiment 2
A kind of corrosion-resistant high mechanical strength cable insulating material proposed by the present invention, its raw material includes by weight: ureaformaldehyde tree
30 parts of fat, 15 parts of ethylene octene block copolymer, 40 parts of hydrogenated nitrile-butadiene rubber, 1 part of white factice, 7 parts of modified lecithin, Oleum Ricini
1.5 parts, 1 part of phosphate toluene diphenyl ester, 0.8 part of BBP(Butyl Benzyl Phthalate, 0.5 part of dioctyl phthalate, Pulvis Talci 6
Part, 12 parts of lignin, 6 parts of cocoanut fiber, 9 parts of asbestos, 6 parts of sepiolite powder, 2.5 parts of coloring agent, 1.5 parts of stabilizer, antistatic
2.5 parts of agent, 1,010 1.5 parts of antioxidant.
Modified lecithin adopts following technique preparation: sodium carboxymethyl cellulose, hyaluronic acid, water mix and blend add
Arginine mix and blend, regulation system ph value to 5.5-6, add 1- alkyl -3- (3- dimethyl aminopropyl) carbodiimides, n-
Hydroxyl -7- azo BTA stirs, and adds dehydrated alcohol to place and obtains modified carboxy methyl cellulose sodium；By lecithin, no
Water-ethanol mix homogeneously, adds Bacterial cellulose stirring, ultrasonic vibration, filters, and filter cake sends into procyanidin aqueous solution, modified carboxylic
It is stirred at room temperature in sodium carboxymethylcellulose pyce, washing, lyophilization obtains modified lecithin.
Embodiment 3
A kind of corrosion-resistant high mechanical strength cable insulating material proposed by the present invention, its raw material includes by weight: ureaformaldehyde tree
22 parts of fat, 23 parts of ethylene octene block copolymer, 25 parts of hydrogenated nitrile-butadiene rubber, 1.6 parts of white factice, 4 parts of modified lecithin, Semen Ricini
2.5 parts of oil, 0.6 part of phosphate toluene diphenyl ester, 1.1 parts of BBP(Butyl Benzyl Phthalate, 0.2 part of dioctyl phthalate, Talcum
12 parts of powder, 9 parts of lignin, 10 parts of cocoanut fiber, 5 parts of asbestos, 9 parts of sepiolite powder, 1.8 parts of coloring agent, 2.5 parts of stabilizer, resist
1.8 parts of electrostatic agent, 1,010 2.5 parts of antioxidant.
Modified lecithin adopts the preparation of following technique: by weight by 10 parts of sodium carboxymethyl cellulose, 6 parts of hyaluronic acids,
70 parts of water mix and blend 45min, add 0.3 part of arginine mix and blend 65min, regulation system ph value to 5.5-6, add 0.4
Part 1- alkyl -3- (3- dimethyl aminopropyl) carbodiimides, 0.8 part of n- hydroxyl -7- azo BTA stir 25min,
Whipping temp is 2.5 DEG C, adds 10 parts of dehydrated alcohol to place 5h, obtains modified carboxy methyl cellulose sodium；By weight by 3 parts of ovum
Phospholipid, 170 parts of dehydrated alcohol mix homogeneously, add 12 parts of Bacterial cellulose to stir 25h, and mixing speed is 300r/min, stirring
Temperature is 40 DEG C, ultrasonic vibration 45min, and ultrasonic power is 650w, filters, and the procyanidin that 80 parts of concentration are 4g/l sent into by filter cake
4h is stirred at room temperature in aqueous solution, 15 parts of modified carboxy methyl cellulose sodium, washing, lyophilization obtains modified lecithin.
Embodiment 4
A kind of corrosion-resistant high mechanical strength cable insulating material proposed by the present invention, its raw material includes by weight: ureaformaldehyde tree
28 parts of fat, 17 parts of ethylene octene block copolymer, 35 parts of hydrogenated nitrile-butadiene rubber, 1.4 parts of white factice, 6 parts of modified lecithin, Semen Ricini
2 parts of oil, 0.8 part of phosphate toluene diphenyl ester, 0.9 part of BBP(Butyl Benzyl Phthalate, 0.4 part of dioctyl phthalate, Pulvis Talci 8
Part, 11 parts of lignin, 8 parts of cocoanut fiber, 7 parts of asbestos, 7 parts of sepiolite powder, 2.2 parts of coloring agent, 2 parts of stabilizer, antistatic additive
2.2 parts, 1,010 2 parts of antioxidant.
Modified lecithin adopts the preparation of following technique: by weight by 20 parts of sodium carboxymethyl cellulose, 4 parts of hyaluronic acids,
110 parts of water mix and blend 25min, add 0.7 part of arginine mix and blend 35min, regulation system ph value to 5.5-6, add 0.6
Part 1- alkyl -3- (3- dimethyl aminopropyl) carbodiimides, 0.4 part of n- hydroxyl -7- azo BTA stir 55min,
Whipping temp is 1.5 DEG C, adds 20 parts of dehydrated alcohol to place 1h, obtains modified carboxy methyl cellulose sodium；By weight by 7 parts of ovum
Phospholipid, 90 parts of dehydrated alcohol mix homogeneously, add 16 parts of Bacterial cellulose to stir 15h, and mixing speed is 360r/min, stirring temperature
Spend for 30 DEG C, ultrasonic vibration 85min, ultrasonic power is 550w, filters, and the procyanidin that 150 parts of concentration are 2g/l sent into by filter cake
2h is stirred at room temperature in aqueous solution, 25 parts of modified carboxy methyl cellulose sodium, washing, lyophilization obtains modified lecithin.
Embodiment 5
A kind of corrosion-resistant high mechanical strength cable insulating material proposed by the present invention, its raw material includes by weight: ureaformaldehyde tree
25 parts of fat, 20 parts of ethylene octene block copolymer, 30 parts of hydrogenated nitrile-butadiene rubber, 1.5 parts of white factice, 5 parts of modified lecithin, Semen Ricini
2.3 parts of oil, 0.7 part of phosphate toluene diphenyl ester, 1 part of BBP(Butyl Benzyl Phthalate, 0.3 part of dioctyl phthalate, Pulvis Talci
10 parts, 10 parts of lignin, 9 parts of cocoanut fiber, 6 parts of asbestos, 8 parts of sepiolite powder, 2 parts of coloring agent, 2.2 parts of stabilizer, antistatic
2 parts of agent, 1,010 2.3 parts of antioxidant.
Modified lecithin adopts following technique preparation: by sodium carboxymethyl cellulose, hyaluronic acid, water mix and blend 35min,
Add arginine mix and blend 50min, regulation system ph value to 5.5-6, add 1- alkyl -3- (3- dimethyl aminopropyl) carbonization
Diimine, n- hydroxyl -7- azo BTA stirring 40min, whipping temp is 2 DEG C, adds dehydrated alcohol to place 3h, obtain
Modified carboxy methyl cellulose sodium；By lecithin, dehydrated alcohol mix homogeneously, add Bacterial cellulose stirring 20h, mixing speed is
330r/min, whipping temp is 35 DEG C, ultrasonic vibration 80min, and ultrasonic power is 600w, filters, and procyanidin water sent into by filter cake
3h is stirred at room temperature in solution, modified carboxy methyl cellulose sodium, washing, lyophilization obtains modified lecithin.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (7)
1. a kind of corrosion-resistant high mechanical strength cable insulating material is it is characterised in that its raw material includes by weight: Lauxite
20-30 part, ethylene octene block copolymer 15-25 part, hydrogenated nitrile-butadiene rubber 20-40 part, white factice 1-2 part, modified lecithin
3-7 part, Oleum Ricini 1.5-3 part, phosphate toluene diphenyl ester 0.5-1 part, BBP(Butyl Benzyl Phthalate 0.8-1.2 part, O-phthalic
Dioctyl phthalate 0.1-0.5 part, Pulvis Talci 6-14 part, lignin 8-12 part, cocoanut fiber 6-12 part, asbestos 3-9 part, sepiolite powder
6-10 part, coloring agent 1.5-2.5 part, stabilizer 1.5-3 part, antistatic additive 1.5-2.5 part, 1010 antioxidant 1.5-3 parts.
2. according to claim 1 corrosion-resistant high mechanical strength cable insulating material it is characterised in that Lauxite, ethylene are pungent
Alkene block copolymer, the weight of hydrogenated nitrile-butadiene rubber are than for 22-28:17-23:25-35.
3. corrosion-resistant high mechanical strength cable insulating material according to claim 1 or claim 2 is it is characterised in that white factice, modified ovum
Phospholipid, the weight of Oleum Ricini are than for 1.4-1.6:4-6:2-2.5.
4. according to any one of claim 1-3 corrosion-resistant high mechanical strength cable insulating material it is characterised in that Pulvis Talci,
Lignin, cocoanut fiber, asbestos, the weight of sepiolite powder are than for 8-12:9-11:8-10:5-7:7-9.
5. according to any one of claim 1-4 corrosion-resistant high mechanical strength cable insulating material it is characterised in that modified lecithin
Fat adopts following technique preparation: sodium carboxymethyl cellulose, hyaluronic acid, water mix and blend adds arginine mix and blend, adjusts
Section system ph value, to 5.5-6, adds 1- alkyl -3- (3- dimethyl aminopropyl) carbodiimides, n- hydroxyl -7- azo benzo three
Nitrogen azoles stirs, and adds dehydrated alcohol to place and obtains modified carboxy methyl cellulose sodium；By lecithin, dehydrated alcohol mix homogeneously, plus
Enter Bacterial cellulose stirring, ultrasonic vibration, filter, room in filter cake feeding procyanidin aqueous solution, modified carboxy methyl cellulose sodium
Temperature stirring, washing, lyophilization obtains modified lecithin.
6. according to any one of claim 1-5 corrosion-resistant high mechanical strength cable insulating material it is characterised in that modified lecithin
Fat adopts following technique preparation: sodium carboxymethyl cellulose, hyaluronic acid, water mix and blend 25-45min add arginine mixed
Close stirring 35-65min, regulation system ph value to 5.5-6, add 1- alkyl -3- (3- dimethyl aminopropyl) carbodiimides, n-
Hydroxyl -7- azo BTA stirs 25-55min, and whipping temp is 1.5-2.5 DEG C, adds dehydrated alcohol to place 1-5h, obtains
To modified carboxy methyl cellulose sodium；By lecithin, dehydrated alcohol mix homogeneously, add Bacterial cellulose stirring 15-25h, stirring
Speed is 300-360r/min, and whipping temp is 30-40 DEG C, ultrasonic vibration 45-85min, and ultrasonic power is 550-650w, mistake
Filter, is stirred at room temperature 2-4h in filter cake feeding procyanidin aqueous solution, modified carboxy methyl cellulose sodium, washing, and lyophilization obtains
Modified lecithin.
7. according to any one of claim 1-6 corrosion-resistant high mechanical strength cable insulating material it is characterised in that modified lecithin
Fat adopts following technique preparation: mixes 10-20 part sodium carboxymethyl cellulose, 4-6 part hyaluronic acid, 70-110 part water by weight
Close stirring 25-45min, add 0.3-0.7 part arginine mix and blend 35-65min, regulation system ph value to 5.5-6, add
0.4-0.6 part 1- alkyl -3- (3- dimethyl aminopropyl) carbodiimides, 0.4-0.8 part n- hydroxyl -7- azo BTA
Stirring 25-55min, whipping temp is 1.5-2.5 DEG C, adds 10-20 part dehydrated alcohol to place 1-5h, obtains modified carboxy methyl fine
The plain sodium of dimension；By weight by 3-7 part lecithin, 90-170 part dehydrated alcohol mix homogeneously, 12-16 part Bacterial cellulose is added to stir
Mix 15-25h, mixing speed is 300-360r/min, whipping temp is 30-40 DEG C, ultrasonic vibration 45-85min, ultrasonic power is
550-650w, filters, and 80-150 part concentration sent into by filter cake is the procyanidin aqueous solution of 2-4g/l, 15-25 part modified carboxy methyl
2-4h is stirred at room temperature in sodium cellulosate, washing, lyophilization obtains modified lecithin.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108690288A (en) * | 2018-05-30 | 2018-10-23 | 安徽渡江电缆集团有限公司 | A kind of flame-proof cable sheath material that thermostabilization is high |
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Application publication date: 20170201 |