CN106590271A - Water-resistant material for brush-coating and filling cable - Google Patents
Water-resistant material for brush-coating and filling cable Download PDFInfo
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- CN106590271A CN106590271A CN201611113728.0A CN201611113728A CN106590271A CN 106590271 A CN106590271 A CN 106590271A CN 201611113728 A CN201611113728 A CN 201611113728A CN 106590271 A CN106590271 A CN 106590271A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D143/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/53—Core-shell polymer
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
- Polymerisation Methods In General (AREA)
Abstract
The invention provides a water-resistant material for brush-coating and filling a cable. The water-resistant material is composed of the following components in parts by weight: 30-40 parts of a silicone-acrylate emulsion, 8-10 parts of inorganic filler, 3-5 parts of dispersed rubber powder, 8-12 parts of a water absorbent, 2-4 parts of a leveling agent and 1-2 parts of an anti-freezing agent; the silicone-acrylate emulsion is an organic siloxane and acrylate copolymer emulsion; and the water absorbent is prepared by acrylic acid graft modification, tertiary amine crosslinking and beta-cyclodextrin coating by taking corn starch as a raw material. The water-resistant material provided by the invention can be used for coating the outer surface or a joint of the cable by using a brush-coating and filling method and is in tight contact with the cable, so that the problem that the use of the cable is affected by water seepage caused by coating untightness is avoided; and the water-resistant material contains the polymeric water absorbent so as to be high in water absorption rate and better in water-resistant effect.
Description
Technical field
The invention belongs to technical field of function materials, and in particular to a kind of material water-proof material, more particularly to a kind of cable brushing
Filling material water-proof material.
Background technology
During cable is actually used, cable sheath and joint are usually present because exposing outside, and be subject to rainwater to soak,
So that cable capacitance changes, signal strength signal intensity is reduced, additionally can cause to freeze inside cable, damage optical element.It is external
Mostly using the metal protection protector for the purpose of mechanical protection and waterproof or using cladding metal strip, but this cable is once received
Just invade inside cable, so as to cause long length cable normally to use from injury region to water is damaged.
Chinese patent CN101464548A provides optical cable or cable cladding, the material water-proof material of joint and its preparation side
Method, the material is any by superabsorbent fiber, low-melting fiber and base fiber or superabsorbent fiber, two kinds of components of bicomponent fibre
One kind, it is blended by a certain percentage, into net, reinforce and cut rolling make successively.The material water-proof material is the method using cladding
Cable outer surface is wrapped in, the tightness of cladding directly affects block-water effect, additionally, for the irregular gap such as joint, operation
Difficulty, waste of material amount is big, therefore, developing a kind of material water-proof material for being easy to brush, fill becomes problem demanding prompt solution.
The content of the invention
The invention provides a kind of cable brushing filling material water-proof material, can arbitrarily brush or fill, 4-6 hours
Curing molding, is filled at cable connector or is coated in cable extexine, and containing high water absorbing capacity water absorbing agent, with preferably resistance
Water effect.
The technical proposal for solving the technical problem of the invention is：
A kind of cable brushing filling material water-proof material, is made up of following parts by weight component：Silicone acrylic emulsion 30-40 parts, inorganic fill out
Material 8-10 parts, dispersion rubber powder 3-5 parts, water absorbing agent 8-12 parts, levelling agent 2-4 parts and antifreezing agent 1-2 parts；
The silicone acrylic emulsion is the copolymer emulsion that organosilicon aoxidizes alkane and acrylate；
The water absorbing agent preparation method comprises the steps：
(1) cornstarch is added to the water, and after being gelatinized 30-50 minutes in 65-80 DEG C, is continuously added in reaction vessel
20wt% acrylic acid-aqueous solution and initiator, after insulation reaction 2-4 hour, add tertiary amine, continue to react after 0.5-1 hours,
Room temperature is cooled to, the solution A containing acrylic graft-modified starch is obtained；Initiator causes starch to produce Starch Free Radicals, and with third
There is polymerisation in olefin(e) acid free radical, acrylic graft-modified starch is obtained, and add tertiary amine, can send out with acrylic acid carboxyl
Raw condensation reaction, so as to form cross-linked network structure, increases the intensity and water-retaining property of water absorbing agent.
(2) the beta-schardinger dextrin aqueous solution is added in step (1) resulting solution A, in 800-1000 rev/min of mixing speed
After lower stirring 20-30 minutes, gel refrigeration drying is crushed, sieve to obtain required high intensity high water absorbing capacity water absorbing agent.Beta-schardinger dextrin
The surface of Starch graft copolymer coal-water can be coated on, certain core shell structure be formed, so as to further improve the water-retaining property of water absorbing agent.β-ring
Mixing speed and time during dextrin cladding is also the key factor for affecting degree of being evenly coated and molecular chain length, and stirring is fast
Spend slowly, mixing time is too short, then degree of being evenly coated is poor, water absorbing agent dispersion is uneven, easily reunite；Mixing speed is too fast, stirring
Overlong time, then be easily caused breaking polymer chains, water absorbing agent intensity decreases.
Preferably, montmorillonite, kaolin or attapulgite that the inorganic filler is silane coupler to be processed.
Preferably, the antifreezing agent is ethylene glycol or propane diols.
Preferably, the levelling agent is dimethyl silicone polymer or PSI.
Preferably, tertiary amine described in step (1) is diethylenetriamine or three (2- aminoethyls) amine, water solubility need to be selected
Tertiary amine.
Preferably, initiator described in step (1) is ammonium persulfate or potassium peroxydisulfate.
Preferably, the mass ratio of cornstarch and water described in step (1) is 1:10-15.
Preferably, the mass ratio of cornstarch, the acrylic acid-aqueous solution, initiator and tertiary amine is described in step (1)
1：1.25-2.5:0.03-0.05:0.1-0.3.
Preferably, the mass concentration of the beta-schardinger dextrin aqueous solution described in step (2) is 15-20%.
Preferably, the mass ratio of solution A and the beta-schardinger dextrin aqueous solution described in step (2) is 1:3-5.
Beneficial effects of the present invention are：
1st, material water-proof material provided by the present invention, can be coated on cable outer surface or joint by the method brushed, fill,
It is in close contact with cable, it is to avoid cause infiltration because coating imprecision, so as to affect cable to use, the material water-proof material includes high score
Sub- water absorbing agent, water absorption rate is high, and block-water effect is more preferably.
2nd, water absorbing agent of the present invention, using acrylic graft-modified starch, has good phase with silicone acrylic emulsion
Capacitive, reduces water absorbing agent and separates out so that the brush that blocks water is more fine and close.
3rd, the add mobility that on the one hand can improve material water-proof material, another aspect of inorganic filler can also improve its water suction
Property.
4th, water absorbing agent of the present invention, in preparation process, adds ternary amine crosslinker so that water absorbing agent is formed to be handed over
Connection network structure, water absorption rate is higher, and water-retaining property is more preferable, and can improve the intensity of gel after water suction, finally using beta-schardinger dextrin bag
Acrylic graft-modified starch is buried, so as to further improve the water-retaining property of water absorbing agent.
Specific embodiment
Below by specific embodiment, technical scheme is described in further detail.
Embodiment 1
(1) 10g cornstarch is added in 100g water, and after being gelatinized 40 minutes in 70 DEG C, is continuously added in reaction vessel
20g 20wt% acrylic acid-aqueous solution and 0.3g potassium peroxydisulfates, insulation reaction adds 2g diethylenetriamines after 3 hours, continues anti-
After answering 1 hour, room temperature is cooled to, obtains the solution A containing acrylic graft-modified starch；
(2) 50g solution As are taken to add in there-necked flask, the 200g 15wt% beta-schardinger dextrin aqueous solution is added, is stirred in 800 revs/min
Mix after stirring 30 minutes under speed, gel is taken out into freeze-dried, crush, sieve to obtain 7.8g water absorbing agents.
(3) cable brushing filling material water-proof material is made up of following parts by weight component：35 parts of silicone acrylic emulsion, silane change
Property 8 parts of montmorillonite, 4 parts of rubber powder of dispersion, 10 parts of water absorbing agent, 1 part of 2 parts of dimethyl silicone polymer and ethylene glycol；
The silicone acrylic emulsion is the copolymer emulsion that organosilicon aoxidizes alkane and acrylate.
Embodiment 2
(1) 10g cornstarch is added in 120g water, and after being gelatinized 50 minutes in 65 DEG C, is continuously added in reaction vessel
12.5g 20wt% acrylic acid-aqueous solution and 0.1g potassium peroxydisulfates, insulation reaction adds 1g diethylenetriamines after 2 hours, continues
After reaction 0.5 hour, room temperature is cooled to, obtains the solution A containing acrylic graft-modified starch；
(2) 50g solution As are taken to add in there-necked flask, the 150g 20wt% beta-schardinger dextrin aqueous solution is added, is stirred in 900 revs/min
Mix after stirring 25 minutes under speed, gel is taken out into freeze-dried, crush, sieve to obtain 8.2g water absorbing agents.
(3) cable brushing filling material water-proof material is made up of following parts by weight component：30 parts of silicone acrylic emulsion, silane change
Property 9 parts of kaolin, 3 parts of rubber powder of dispersion, 8 parts of water absorbing agent, 2 parts of 3 parts of PSI and propane diols；
The silicone acrylic emulsion is the copolymer emulsion that organosilicon aoxidizes alkane and acrylate.
Embodiment 3
(1) 10g cornstarch is added in 150g water, and after being gelatinized 30 minutes in 80 DEG C, is continuously added in reaction vessel
25g 20wt% acrylic acid-aqueous solution and 0.2g ammonium persulfates, insulation reaction adds 3g tri- (2- aminoethyls) amine after 4 hours, after
After continuous reaction 0.8 hour, room temperature is cooled to, obtains the solution A containing acrylic graft-modified starch；
(2) 50g solution As are taken to add in there-necked flask, the 250g 18wt% beta-schardinger dextrin aqueous solution is added, is stirred in 1000 revs/min
Mix after stirring 20 minutes under speed, gel is taken out into freeze-dried, crush, sieve to obtain 7.5g water absorbing agents.
(3) cable brushing filling material water-proof material is made up of following parts by weight component：40 parts of silicone acrylic emulsion, silane change
Property 10 parts of kaolin, 5 parts of rubber powder of dispersion, 12 parts of water absorbing agent, 1.5 parts of 4 parts of PSI and propane diols；
The silicone acrylic emulsion is the copolymer emulsion that organosilicon aoxidizes alkane and acrylate.
Water absorbing agent is prepared using with embodiment 1 (1) and (2) identical method of operating, tertiary amine and beta-schardinger dextrin pair is investigated
Water absorbent performance impact, it is specific as follows：
Comparative example 1
(1) 10g cornstarch is added in 100g water, and after being gelatinized 40 minutes in 70 DEG C, is continuously added in reaction vessel
20g 20wt% acrylic acid-aqueous solution and 0.3g potassium peroxydisulfates, insulation reaction is cooled to room temperature after 4 hours, obtains and is connect containing acrylic acid
The solution A of branch modified starch；
(2) 50g solution As are taken to add in there-necked flask, the 200g 15wt% beta-schardinger dextrin aqueous solution is added, is stirred in 800 revs/min
Mix after stirring 30 minutes under speed, gel is taken out into freeze-dried, crush, sieve to obtain 7.4g water absorbing agents.
Comparative example 2
10g cornstarch is added in 100g water, and after being gelatinized 40 minutes in 70 DEG C, in reaction vessel 20g is continuously added
20wt% acrylic acid-aqueous solution and 0.3g potassium peroxydisulfates, insulation reaction adds 2g diethylenetriamines after 3 hours, continues reaction 1 little
Shi Hou, is cooled to room temperature, obtains the solution A containing acrylic graft-modified starch, solution A is filtered, freeze-drying, crushes, and sieves
Obtain 7.2g water absorbing agents.
Water absorbing agent performance measurement：
1st, water absorption rate is determined：
Take 2g embodiments 1-3, comparative example 1-2 gained water absorbing agents to add in deionized water, after ten minutes hydrogel is taken out, blot it
Surface moisture, weighs hydrogel weight, and before and after being absorbed water by calculating, the percent mass penalty of water absorbing agent is the water suction of the water absorbing agent
Rate.
2nd, water-retaining property is determined：
5g embodiments 1-3, comparative example 1-2 gained water absorbing agents are added in 2000g deionized waters, controls absorbent time to be inhaled
Water rate identical gel, takes quality for M1Gel put at room temperature after 7 days, then determine gel quality for M2, calculating water retention is
M2/M1*100%。
Gained measurement result is shown in Table 1：
Table 1：
It can be seen from Table 1 that, the addition of ternary amine crosslinker can improve the water absorption rate and gel compressive strength of water absorbing agent, β-ring
The addition of dextrin can improve the water retention property of water absorbing agent, and the block-water effect of obtained material water-proof material is more preferable.
Embodiment described above is one kind preferably scheme of the present invention, not makees any pro forma to the present invention
Limit, also have other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (10)
1. a kind of cable brushing filling material water-proof material, it is characterised in that the cable brushing filling material water-proof material is by following
Parts by weight component is constituted：Silicone acrylic emulsion 30-40 parts, inorganic filler 8-10 parts, dispersion rubber powder 3-5 parts, water absorbing agent 8-12 parts, stream
Flat agent 2-4 parts and antifreezing agent 1-2 parts；
The silicone acrylic emulsion is the copolymer emulsion that organosilicon aoxidizes alkane and acrylate；
The water absorbing agent preparation method comprises the steps：
(1) cornstarch is added to the water, and after being gelatinized 30-50 minutes in 65-80 DEG C, is continuously added in reaction vessel
20wt% acrylic acid-aqueous solution and initiator, after insulation reaction 2-4 hour, add tertiary amine, continue to react after 0.5-1 hours,
Room temperature is cooled to, the solution A containing acrylic graft-modified starch is obtained；
(2) the beta-schardinger dextrin aqueous solution is added in step (1) resulting solution A, is stirred under 800-1000 rev/min of mixing speed
After mixing 20-30 minutes, gel refrigeration drying is crushed, sieve to obtain required high intensity high water absorbing capacity water absorbing agent.
2. cable brushing filling material water-proof material as claimed in claim 1, it is characterised in that the inorganic filler is silane idol
Montmorillonite, kaolin or attapulgite that connection agent is processed.
3. cable brushing filling material water-proof material as claimed in claim 1, it is characterised in that the antifreezing agent be ethylene glycol or
Propane diols.
4. cable brushing filling material water-proof material as claimed in claim 1, it is characterised in that the levelling agent is poly dimethyl
Siloxanes or PSI.
5. cable brushing filling material water-proof material as claimed in claim 1, it is characterised in that tertiary amine described in step (1)
For diethylenetriamine or three (2- aminoethyls) amine.
6. cable brushing filling material water-proof material as claimed in claim 1, it is characterised in that initiator described in step (1)
For ammonium persulfate or potassium peroxydisulfate.
7. cable brushing filling material water-proof material as claimed in claim 1, it is characterised in that corn described in step (1) forms sediment
The mass ratio of powder and water is 1:10-15.
8. cable brushing filling material water-proof material as claimed in claim 1, it is characterised in that corn described in step (1) forms sediment
The mass ratio of powder, the acrylic acid-aqueous solution, initiator and tertiary amine is 1：1.25-2.5:0.03-0.05:0.1-0.3.
9. cable brushing filling material water-proof material as claimed in claim 1, it is characterised in that β described in step (2)-ring paste
The mass concentration of the smart aqueous solution is 15-20%.
10. cable brushing filling material water-proof material as claimed in claim 1, it is characterised in that solution A described in step (2)
It is 1 with the mass ratio of the beta-schardinger dextrin aqueous solution:3-5.
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| CN201611113728.0A CN106590271B (en) | 2016-12-07 | 2016-12-07 | Material water-proof material is used in a kind of cable brushing filling |
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| CN201611113728.0A CN106590271B (en) | 2016-12-07 | 2016-12-07 | Material water-proof material is used in a kind of cable brushing filling |
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| CN106590271B CN106590271B (en) | 2019-02-19 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107880462A (en) * | 2017-11-03 | 2018-04-06 | 国家电网公司 | A kind of wear-resistant cable |
| CN107936734A (en) * | 2017-11-03 | 2018-04-20 | 国家电网公司 | A kind of corrosion resistant power steel pipe tower rod |
| CN107936735A (en) * | 2017-11-03 | 2018-04-20 | 国家电网公司 | A kind of ice-covering-proof sections tower |
| CN108047850A (en) * | 2017-11-03 | 2018-05-18 | 国家电网公司 | A kind of handling cable being readily transported |
| CN108047619A (en) * | 2017-11-03 | 2018-05-18 | 国家电网公司 | A kind of anticorrosive cable |
| CN110373067A (en) * | 2019-05-29 | 2019-10-25 | 安徽省通信产业服务有限公司 | A kind of anti-oxidant cable insulation protective coating and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107880462A (en) * | 2017-11-03 | 2018-04-06 | 国家电网公司 | A kind of wear-resistant cable |
| CN107936734A (en) * | 2017-11-03 | 2018-04-20 | 国家电网公司 | A kind of corrosion resistant power steel pipe tower rod |
| CN107936735A (en) * | 2017-11-03 | 2018-04-20 | 国家电网公司 | A kind of ice-covering-proof sections tower |
| CN108047850A (en) * | 2017-11-03 | 2018-05-18 | 国家电网公司 | A kind of handling cable being readily transported |
| CN108047619A (en) * | 2017-11-03 | 2018-05-18 | 国家电网公司 | A kind of anticorrosive cable |
| CN110373067A (en) * | 2019-05-29 | 2019-10-25 | 安徽省通信产业服务有限公司 | A kind of anti-oxidant cable insulation protective coating and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN106590271B (en) | 2019-02-19 |
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