CN1044815C - Transparent filling agent of ordinary temp. solidification - Google Patents
Transparent filling agent of ordinary temp. solidification Download PDFInfo
- Publication number
- CN1044815C CN1044815C CN94107283A CN94107283A CN1044815C CN 1044815 C CN1044815 C CN 1044815C CN 94107283 A CN94107283 A CN 94107283A CN 94107283 A CN94107283 A CN 94107283A CN 1044815 C CN1044815 C CN 1044815C
- Authority
- CN
- China
- Prior art keywords
- agent
- epoxy
- weight
- oil
- transparent filling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Polyurethanes Or Polyureas (AREA)
Abstract
The present invention relates to bicomponent normal temperature solidification type transparent polyurethane casting resin. A filling agent which is used for an oil filling communication cable joint at present has a low solidification speed, contains matters corroding metal, has bubbles after filling solidification, and has poor waterproof property. The normal temperature solidification transparent filling agent of the present invention is divided into a main agent and a solidification agent. The normal temperature solidification transparent filling agent is characterized in that the main agent contains polyhydric alcohol containing epoxy groups, and a mixed catalyst which is composed of a metal catalyst, fatty amine and alcohol amine. The main agent has the components of polymerization polyhydric alcohol which accounts for 35 to 45%, polyhydric alcohol containing epoxy groups which accounts for 1.5 to 14%, a plasticizing agent which accounts for 30 to 42% and a catalyst which accounts for 0.05 to 0.15%. The solidification agent has the components of organic diisocyanate which accounts for 22 to 36% and a plasticizing agent which accounts for 64 to 78%. The main agent and the solidification agent are mixed according to a proportion of 1: 1 to be prepared into the filling agent. The filling agent is suitable for an oil filling cable joint.
Description
The present invention relates to a kind of bicomponent normal temperature curing transparent polyurethane class casting resin.
In the process of carrying out infrastructure constructions such as electric power, communication; run into the area that is subjected to water, moisture, dirty corroded by liquid through regular meeting; or because labor force's scarcity; for alleviating the maintenance service of personnel, can use various polymer weighting agents in a large number to solve the problem that city oil communication cable continues and brings to cable.United States Patent (USP) 4375521 has been introduced a kind of by vegetables oil plastifying urethane weighting agent, be used for the filling of oil-filled communication cable, easily become muddy opaque behind this polyurethane material gel, the requirement of constructing not to the utmost and safeguarding, and this class weighting agent of vegetables oil plastifying easily causes the polycarbonate shell embrittlement of the usefulness that continues aging; WO 86/00166 discloses a kind of polyurethanes cable splice weighting agent, and is slow because of its curing speed, not too is fit to site operation; United States Patent (USP) 4533598 discloses a kind of novel cycloolefin material plastifying urethane weighting agent, but poor because of the vaseline consistency in itself and the oil filled switch, discomfort is easy to do and is the oil filled switch weighting agent that continues.In addition, Minnesota Mining and Manufacturing Company's (United States Patent (USP) 4857563) has adopted a kind of polymerized polyalcohol and has contained the filling of the reactant of anhydride group butadiene resin as cable splice, there is fine and closely woven bubble in this class material after containing acid eating into metals compound anhydride and weighting agent curing, influences filling effect.
According to the requirement of cable laying construction, weighting agent should have following feature: 1. it can be compatible with its contactant all in cable splice; 2. under the use temperature of suitable width, good chemical stability is arranged; 3. excellent electric insulation performance; 4. suitable physical strength and elasticity are arranged under the low temperature; 5. not loose under the high temperature; 6. free from environmental pollution, to the human body toxicological harmless.
Therefore, need develop a kind of excellent stability to hydrolysis that has especially, good electrical properties, good with vaseline consistency in the cable, mechanical property is suitable, no bubble; Normal temperature solidified, gelation rate is fast, transparent weighting agent.
The purpose of this invention is to provide a kind of polyurethanes two-pack ambient cure transparent filling agent is made up of urethane main body and solidifying agent two portions, it has excellent stability to hydrolysis, good electrical properties, good with the vaseline consistency in the cable, mechanical property is suitable, and no bubble is normal temperature solidified, gelation rate is fast, transparent weighting agent.
It is the erosion to the power communication element of exclusion of water, moisture that the oil filled switch joint uses the most important purpose of weighting agent, especially when hot and humid abominable field, it is even more important that such protection just seems, in this case, if the weighting agent quality is undesirable, problems such as material expands possibly, degraded, the loss that causes thus is hardly imaginable.
Patent and bibliographical information, add stability to hydrolysis (the Ger offen 2060600 that epoxy compounds can improve polyurethane material effectively in the polyurethane system, US4036906, JP74-47904), as everyone knows, Resins, epoxy can be as the Embedding Material of electronic circuit board etc., it is to metal and nonmetal adhesiveproperties with excellence, and dielectric properties are good, to alkali and most of solvent-stable, but because its quality is crisp, frangible, snappiness is poor, and physical strength is excessive, problems such as curing exotherm height, be not suitable as the oil filled switch weighting agent, but the polyvalent alcohol or the epoxy compounds that contain epoxy group(ing) join in the polyurethane system, both can avoid the problem of using ordinary epoxy resin to bring, can make polyurethane system have extremely strong stability to hydrolysis again, be specially adapted to the oil filled switch weighting agent that continues.
Ambient cure transparent filling agent of the present invention is divided into host and solidifying agent two portions, and host contains a kind of polymerized polyalcohol at least, a kind of softening agent; Solidifying agent contains a kind of organic diisocyanate and softening agent at least, it is characterized in that also comprising in the host and contain epoxy group(ing) polyvalent alcohol and catalyzer, the mixed catalyst that catalyzer is made up of metal catalyst, aliphatic amide and hydramine, they are by weight 5: (3-4): (1-2) form, the composition range of host and solidifying agent is as follows:
The proportioning of host (by weight percentage) is:
Polymerized polyalcohol 35-45%;
Contain epoxy group(ing) polyvalent alcohol 1.5-24%;
Softening agent 32-42%;
Catalyzer 0.05-0.15%;
The proportioning of solidifying agent (by weight percentage) is:
Organic diisocyanate 22-36%;
Softening agent 64-78%;
Host and solidifying agent two portions are hybridly prepared into weighting agent with stoichiometric ratio at 1: 1.
Organic diisocyanate can use aliphatic diisocyanate, aromatic diisocyanate, the performed polymer that also can select for use organic two different acid esters and polymerized polyalcohol (or Viscotrol C) to generate.Aliphatic diisocyanate comprises hexamethylene diisocyanate (HDI), 4,6-xylylene diisocyanate (XDI), 4,4 ＇-dicyclohexyl methane diisocyanate (HMDI), cyclohexyl diisocyanate (THDI), isophorone diisocyanate (IPDI) and their dimerization, tripolymer or condenses etc.; Aromatic diisocyanate comprises MDI, the naphthalene diisocyanate (NDI), 3 of tolylene diisocyanate (TDI), '-diphenylmethane diisocyanate (MDI), many phenyl polymethine polyisocyanates (PAPI), carbodiimide modification, 3-dimethyl-4,4 ＇-diphenylmethanediisocyanate, 3,3 ＇-dimethylbenzene-4,4 ＇ vulcabond (TDOI), PPDI (PPDI) and their dimerization, tripolymer or condenses etc. also can be their above-mentioned two or more mixtures.
The present invention considers the stability of organic diisocyanate under the low temperature, the ease of use of weighting agent and the volatility of organic diisocyanate have been paid the utmost attention to tolylene diisocyanate and Viscotrol C and have been reacted the raw material of the performed polymer of generation as the solidifying agent of weighting agent by weight 1: 1.It and softening agent are formed solidifying agent.
The polymerized polyalcohol that this self-vulcanizing transparent filling agent uses can be polyether glycol, polyester polyol, terminal hydroxy group hydrocarbon compound, can also use castor-oil plant wet goods hydroxyl material.
Polyether glycol can be used: ternary, the propylene oxide adduct of dibasic alcohol, polyoxyethylene glycol, PTMG, tetrahydroxy polypentaerythritol-propylene oxide ethers etc. such as polyoxytrimethylene ether glycol, polyoxytrimethylene ether triol, TriMethylolPropane(TMP), glycerol, ethylene glycol contain the polyvalent alcohol of two or more hydroxy functional groups, also can adopt the ring-opening polymerization polymer of epoxy chloropropane or the copolymer polyols of epoxy chloropropane and oxyethane in addition.
The available polyester polyol comprises and resembles 1, the 4-butyleneglycol, Resorcinol (2-hydroxyethyl) ether, ethylene glycol, Diethylene Glycol, triglycol, propylene glycol, dipropylene glycol, 2-methyl-2-ethyl-1, ammediol, 1, the 5-pentanediol, thiodiglycol, 2-ethyl-1, the 3-hexylene glycol, 1, ammediol, 1, the 3-butyleneglycol, 2, the 3-butyleneglycol, dimethyltrimethylene glycol, 1,2-dimethyl-1, the 2-cyclohexanediol, 1,2-dimethyl-1,2-encircles pentanediol, 1, the 2-cyclohexanediol, TriMethylolPropane(TMP), triethylol propane, 1,2,4-butyl triol, glycerine, tetramethylolmethane, the diisoamyl tetrol, three isoamyl tetrols, mannitol, Sorbitol Powder, 1, the 8-ethohexadiol, 1,4-methylol cyclohexane, quinite etc. and hexanodioic acid, Succinic Acid, pentanedioic acid, nonane diacid, sebacic acid, propanedioic acid, toxilic acid, fumaric acid, phthalic acid, terephthalic acid, different phthalic acid, trimellitic acid, oleic acid, lauric acid, the polymerized polyalcohol that carboxylic-acids such as tetrachlorophthalic acid or these sour anhydride reactions form, can also use polycaprolactone polyol, 1, ammediol, 1,4-butyleneglycol or 1, the 6-hexylene glycol, Diethylene Glycol, triethylene glycol, the polycarbonate polyol that TEG and diaryl carbonate photoreactive gas generate.
The terminal hydroxy group hydrocarbon compound can be selected the non-replacement of terminal hydroxy group for use, the 2-substituting group, 1, the homopolymer of the disubstituted dienes of 3-or multipolymer, substituting group can be hydrogen atom, contain 1-6 carbon atom alkyl, substituted aryl, non-substituted aryl, halogen atom etc., such polymkeric substance has: hydroxy-terminated polybutadienes, terminal hydroxy group polyisoprene, terminal hydroxy group sovprene, terminal hydroxy group gather 2, the multipolymer of 3-dimethyl-1, terminal hydroxy group divinyl and vinylbenzene or propylene etc.
Viscotrol C is commonly considered as the Witepsol W-S 55 of ricinolic acid, and the mixture of two glyceryl ester of the Witepsol W-S 55 of 70% ricinolic acid and 30% ricinolic acid, hydroxy functional group number are about 2.7.
For easy construction, the polymerized polyalcohol of selecting for use should be a liquid.Consider stability to hydrolysis after weighting agent solidifies, be easy to repair and factors such as electrical insulating property, pay the utmost attention to hydroxy-terminated polybutadienes.
Containing the epoxy group(ing) polyvalent alcohol is hydroxyl linear aliphatic class, alicyclic ring same clan epoxy compounds, at least contain an epoxy-terminated or epoxy side group, hydroxyl value is between 0.1-0.6, can select the hydroxyl aliphatic alkyl for use, thiazolinyl, dialkylene or cycloalkyl ring oxygen compound, can comprise in them: the epoxy hydroxy-terminated polybutadienes, epoxy terminal hydroxy group polyisoprene, hydroxyl epoxy polyolefine, the hydroxyl epoxy soybean oil, hydroxyl epoxy oleum lini, hydroxyl epoxy castor-oil plant wet goods, contain the epoxy group(ing) polyvalent alcohol and have certain scope as the add-on of hydrolysis stabilizer, in general, the add-on that contains the epoxy group(ing) polyvalent alcohol accounts for the 1%-10% of product gross weight.
Consider the consistency of selecting for use that contains epoxy group(ing) polyvalent alcohol and weighting agent, preferentially select the epoxy hydroxy-terminated polybutadienes for use.
The softening agent part generally can select for use one or more to cooperate jointly to reach the character that weighting agent should possess, the selection of softening agent should guarantee that its () to system react with not, do not ooze out " sweat is analysed " phenomenon, in addition, should guarantee that also weighting agent and oil filled switch lead are bonding closely, compatible with polycarbonate cannula, such compound can be selected for use and resemble ester compound, vegetables oil, undersaturated synthetic oil, epoxy compounds, mineral oil, materials such as composite insulation liquid.
Ester compound can be used phthalic ester, fragrant polyacid ester, fatty group dibasic acid, fatty acid monoester, phosphoric acid ester etc.Typical material comprises the neighbour; dibutyl terephthalate; phthalic acid two is sad; butyl octyl phthalate; Di Iso Decyl Phthalate; phthalic acid two (13) ester; phthalic acid dehydration glyceryl ester; diallyl phthalate; dioctyl terephthalate; trioctyl trimellitate; Octyl adipate; dioctyl sebacate; sebacic acid dehydration glyceryl ester; oleic acid tetrahydrofurfuryl carbinol ester; tributyl phosphate; trioctyl phosphate; Tritolyl Phosphate; pentaerythritol adipate; Tributyl O-acetylcitrate; ethylene glycol dimethacrylate; glycol ether dimethacrylate etc.
Vegetables oil can be used: purified peanut oil, rape seed oil, soya-bean oil, Oleum Helianthi, oleum lini, Semen Maydis oil, Oleum Gossypii semen, plam oil, tung oil, olive wet goods, their hydroxyl value number must not be greater than 4.0.Also can use the acetylized compound of Viscotrol C.
Undersaturated synthetic oil can be selected polyhutadiene oil that low molecule puts, polyisobutylene oil, the natural rubber of degraded, low-molecular-weight polyisoprene etc. for use.
Epoxy compounds mainly contains the dehydrated glyceride of epoxyfatty acid glyceryl ester, epoxy fatty acid monoester or epoxy tetrahydrophthalic acid ester, epoxy alkene, low-molecular-weight epoxy polyhutadiene hydrocarbon, phthalic acid etc., and that can select for use has: the polyisoprene of epoxy soybean oil, epoxy oleum lini, epoxy soybean butyl oleate, ethyl hexyl ester of epoxidized soybean oil, octyl epoxy stearate, epoxy tetrahydro-2-ethylhexyl phthalate, epoxy poly-alpha olefins, epoxy polyhutadiene, partial oxidation etc.
The mineral oil that adopts in the invention can be whiteruss, treated oil, switch oil, oil-filled cable oil, electrical condenser wet goods, composite insulation liquid has trichloro biphenyl, naphtalene oil, diphenyl dimethyl ethane, isopropyl biphenyl, polymethylphenyl siloxane fluid, alkylbenzene etc., also available by ester compound, vegetables oil, the mixture of epoxy compounds and mineral treated oil.
They consist of (by weight percentage):
Ester compound 20-50%;
Vegetables oil 10-60%;
Epoxy compounds 3-15%;
Mineral treated oil 10-40%.
Selection of catalysts is very important in invention, and general commonly used have amines catalyst and an organotin catalysts, and they can use separately, this two classes catalyzer chemical combination can also be got up use, and common catalyst system solidifies.
In the tertiary amine catalyst there be the aliphatics amine:
Diethylenetriamine, N, N, N ＇, N ＇-Tetramethyl Ethylene Diamine, N, N, N ＇, N ＇-tetramethyl butane diamine, triethylamine, Tributylamine, dimethyl cetylamine, dimethyl benzylamine, N, N, N ＇, N ＇, N ＇-pentamethyl-diethylenetriamine, two-(2-methylamino ethyl) ether etc.
Alicyclic amine catalyzer has:
Triethylene diamine, triethylene diamine-composite catalysts, 1 such as propylene glycol that contract, 8-azo [5,4,0] dicyclo-7-undecylene, 1,5-azo [4,3,0] dicyclo-5-nonene, N-Ethylmorphine quinoline, N-methylmorpholine, N, N ＇-diethyl-2-methylpiperazine, N, N ＇-two-(alpha-hydroxymethyl)-2-methylpiperazine, N-2-hydroxypropyl thebaine quinoline, hexahydropyridine etc.
The aromatic amine catalyzer has pyridine, N, N ＇-dimethyl pyrazole heavy stone used as an anchor etc., the polymeric amines compound of non-volatility has fatty tertiary amine, the olefin polymerization multipolymer of fragrant tertiary amine, primary amine, secondary amine class material is because amino more violent with the isocyanate groups reaction, certain volatility is arranged again, so select molecular weight suitable when using as much as possible, non-irritating liquid catalyst, to control speed of response amino and isocyanate groups, such material has: the Padil pentyl ester, aminocarboxylic acid 2-10 alcohol ester, low-molecular-weight polyvinylamine, low-molecular-weight PAH, the amino-polyether of two functional groups or trifunctional (molecular weight is 600-3000), the exchange product of amino-polyether and ester compound etc., alcamines has thanomin, dimethylethanolamine, trolamine, THED tetrahydroxy ethylene diamine-propylene oxide ether (hydroxyl 90-300), diethylenetriamine-propylene oxide ether etc.
The organic tin catalyzer can be used dibutyltin dilaurate; stannous octoate; the mixture of dibutyltin dilaurate and epoxy compounds; thiol-butyl tin; mercaptan tin octylate compound; the mixture of mercaptan butyl alcohol and epoxy compounds; toxilic acid tin octylate compound; the halogenation trialkyltin; three halogenation trialkyltins; dibutyltin oxide; the butyl stannous octoate; dibutyl tin alkali formula laurate; dibutyl tin mercaptan propionic ester; four-normal-butyl-1,3-diacetyl two stannonic esters; the low molecule multipolymer of Malaysia acyl-oxygen dibutyl tin; the inferior tin of diethyl caproic acid etc.
Consider the stability to hydrolysis of weighting agent, the product FINAL APPEARANCE does not have in bubble and the construction process the factors such as requirement of set time, and the present invention has adopted the method for mixed catalytic.
In the weighting agent of the present invention, catalyzer is formed the chemical combination catalyzer by metal catalyst, aliphatic amide and hydramine, and they are by weight 5: (3-4): (1-2) form.The mixed catalyst of wherein selecting for use low-molecular-weight Malaysia acyl-oxygen dibutyl tin multipolymer, low-molecular-weight polyvinylamine and trolamine to form, they were formed by weight 5: 3: 2; The mixed catalyst of selecting for use low-molecular-weight Malaysia acyl-oxygen dibutyl tin multipolymer, low-molecular-weight amino-polyether and trolamine to form, they were by weight 5: 3:: 2 form; The mixed catalyst of selecting for use low-molecular-weight Malaysia acyl-oxygen dibutyl tin multipolymer, low-molecular-weight polyvinylamine and THED tetrahydroxy ethylene diamine one propylene oxide ether to form, they were formed by weight 5: 4: 2; The mixed catalyst of selecting for use stannous octoate, low molecular weight amino polyethers and trolamine to form, they were formed by weight 5: 3: 1; The mixed catalyst of selecting for use low-molecular-weight Malaysia acyl-oxygen dibutyl tin multipolymer, low-molecular-weight PAH and trolamine to form, they were formed by weight 5: 3: 1.
In the weighting agent of the present invention, organic diisocyanate can be with aliphatic diisocyanate or aromatic diisocyanate.Also available tolylene diisocyanate of organic diisocyanate and Viscotrol C substitute by weight the performed polymer that reaction in 1: 1 generates.
In the weighting agent of the present invention, polymerized polyalcohol can be used polyether glycol, polyester polyol, terminal hydroxy group Room compounds or alternative with castor-oil plant wet goods hydroxyl material.The terminal hydroxy group hydrocarbon compound is the poly-butadiene of terminal hydroxy group.
In the weighting agent of the present invention, containing the epoxy group(ing) polyvalent alcohol is hydroxyl linear aliphatic class, alicyclic ring same clan epoxy compounds, has an epoxy-terminated or epoxy side group at least, and hydroxyl value is between 0.1-0.6.
The epoxy group(ing) polyvalent alcohol that contains in the weighting agent of the present invention is that hydroxyl aliphatic alkyl, thiazolinyl, dialkylene epoxidized vegetable oil or ring are drawn the basic ring oxide compound.Wherein epoxidized vegetable oil is hydroxyl epoxy soybean oil, hydroxyl epoxy oleum lini, hydroxyl epoxy Viscotrol C.Dialkylene is epoxy hydroxy-terminated polybutadienes, epoxy terminal hydroxy group polyisoprene.
Implement side 1:
Bicomponent normal temperature curable polyurethane class transparent filling agent:
Host part: hydroxy-terminated polybutadienes 40 grams, Viscotrol C 7 grams, epoxy hydroxy-terminated polybutadienes 7 grams, purifying soya-bean oil 25 grams, ethyl hexyl ester of epoxidized soybean oil 5 grams, mineral treated oil 12 grams, 0.1 gram is by low-molecular-weight Malaysia acyl-oxygen dibutyl tin multipolymer, the mixed catalyst that the polyvinylamine of lower molecular weight (M=750) and trolamine were formed by weight 5: 3: 2, thorough mixing is even.
Curing agent part: 13 grams down reacted the performed polymer that three hour form by weight 1: 1 at 60 ℃ by tolylene diisocyanate and Viscotrol C, trioctyl trimellitate 20 grams, purifying soya-bean oil 20 grams.
At room temperature with above-mentioned two component mixing and stirring, pour self-vulcanizing in the mould into, it is 650 centipoises about second that two components are mixed back viscosity, and the product after the curing is light yellow transparent, the softish resin.The test all undertaken by the countries concerned's standard (GB1040-79, GB1040-70, GB1040-78 etc.), the stability to hydrolysis burn-in test be sample on 60 ℃ in the placement 7 days after, the volume specific resistance of test sample.
The testing method of heart yearn withdrawal force is that heart yearn is imbedded weighting agent 5cm, solidifies the back and extracts the required power of heart yearn with omnipotent pulling force survey, and the heart yearn withdrawal force is big more, shows that the consistency of vaseline in weighting agent and the cable is good.
Weighting agent part mechanics, electrical performance indexes: tensile strength: 1.82kg/cm2; Tear strength: 0.48kg/cm, elongation at break: 199%; Hardness Shao Shi A:0-2; Water-intake rate: 2.28 ‰; Heart yearn withdrawal force: 2.75kg; Volume specific resistance: 1.5 * 10
14Ω cm; Volume specific resistance (aging back): 8.8 * 10
18Ω cm.
Embodiment 2:
Host part: hydroxy-terminated polybutadienes 40 grams, Viscotrol C 7 grams, epoxy hydroxy-terminated polybutadienes 13 grams, purifying soya-bean oil 30 grams, ethyl hexyl ester of epoxidized soybean oil 5 grams, oil filled switch transformer oil 14 grams, 0.1 gram is by low-molecular-weight Malaysia acyl-oxygen dibutyl tin multipolymer, the mixed catalyst that the amino-polyether of lower molecular weight (M=1000) and trolamine were formed by weight 5: 3: 2, thorough mixing is even.
Curing agent part: 13 grams are pressed the ratio performed polymer that reaction formed in three hours under 60 ℃ in 1: 1 of resetting by tolylene diisocyanate and Viscotrol C, and dioctyl phthalate (DOP) 20 restrains, purifying soya-bean oil 20 grams.
Married operation and testing method are with embodiment 1 (as follows).
Embodiment 3:
Host part: hydroxy-terminated polybutadienes 35 grams; trihydroxy-poly(propylene oxide) polyvalent alcohol (hydroxyl value is 56) 5 grams; epoxy hydroxy-terminated polybutadienes 7 grams; purification of flax oil 10 grams, epoxy soybean grease 8 grams, naphtalene oil 10 grams; Viscotrol C acylate 10 grams (hydroxyl value＜4); 0.2 gram is by low-molecular-weight Malaysia acyl-oxygen dibutyl tin multipolymer, the polyvinylamine of lower molecular weight (M=750) and THED tetrahydroxy ethylene diamine-propylene oxide ether is by weight the mixed catalyst of 5: 4: 2 compositions, and thorough mixing is even.
Curing agent part: 11 grams down reacted the performed polymer that three hour form by weight 1: 1 at 60 ℃ by tolylene diisocyanate and Viscotrol C, dioctyl sebacate 20 grams, purifying soya-bean oil 10 grams.
Mechanics, electrical performance indexes: tensile strength: 2.05kg/cm2; Tear strength: 0.58kg/cm, elongation at break: 174%; Hardness Shao Shi A:0-3; Water-intake rate: 2.33 ‰; Heart yearn withdrawal force: 2.39kg; Volume specific resistance: 9.0 * 10
18Ω cm; Volume specific resistance (aging back): 5.8 * 10
18Ω cm.
Embodiment 4:
Host part: hydroxy-terminated polybutadienes 40 grams, Viscotrol C 6 grams, epoxy hydroxy-terminated polybutadienes 2 grams, purification of flax oil 20 grams, epoxy soybean oil 8 grams, alkylbenzene 12 grams, 0.1 gram is by stannous octoate, the mixed catalyst that the amino-polyether of lower molecular weight (M=1000) and trolamine were formed by weight 5: 3: 1, thorough mixing is even.
Curing agent part: 13 grams down reacted the performed polymer that three hour form by weight 1: 1 at 60 ℃ by tolylene diisocyanate and Viscotrol C, dioctyl phthalate (DOP) 25 grams, purifying soya-bean oil 15 grams.
Embodiment 5:
Host part: hydroxy-terminated polybutadienes 40 grams, Viscotrol C 10 grams, hydroxyl epoxy Viscotrol C 6 grams, purifying soya-bean oil 20 grams, phthalic acid dehydration glyceryl ester 10 grams, oil filled switch transformer oil 20 grams, 0.1 gram is by the Malaysia acyl-oxygen dibutyl tin multipolymer of lower molecular weight (M=750), the mixed catalyst that the amino-polyether of lower molecular weight (M=1000) and trolamine were formed by weight 5: 3: 1, thorough mixing is even.
Curing agent part: 15 grams down reacted the performed polymer that three hour form by weight 1: 1 at 60 ℃ by tolylene diisocyanate and Viscotrol C, dioctyl sebacate 40 grams.
Embodiment 6:
Host part: hydroxy-terminated polybutadienes 40 grams, Viscotrol C 7 grams, epoxy hydroxy-terminated polybutadienes 8 grams, purifying soya-bean oil 8 grams, epoxy polyhutadiene 2 grams, naphtalene oil 25 grams, 0.2 gram is by low-molecular-weight Malaysia acyl-oxygen dibutyl tin multipolymer, the mixed catalyst that the amino-polyether of lower molecular weight (M=1000) and trolamine were formed by weight 5: 3: 2, thorough mixing is even.
Curing agent part: 13 grams down reacted the performed polymer that three hour form by weight 1: 1 at 60 ℃ by tolylene diisocyanate and Viscotrol C, Di Iso Decyl Phthalate 30 grams.
Embodiment 7:
Host part: hydroxy-terminated polybutadienes 40 grams, Viscotrol C 5 grams, trihydroxy-poly(propylene oxide) polyvalent alcohol 5 grams, epoxy hydroxy-terminated polybutadienes 7 grams, purifying soya-bean oil 12 grams, epoxy polyhutadiene 8 grams, naphtalene oil 20 grams, 0.1 gram is by low-molecular-weight Malaysia acyl-oxygen dibutyl tin multipolymer, low-molecular-weight PAH (M=600) and trolamine are by weight the mixed catalyst of 5: 3: 1 compositions, and thorough mixing is even.
Curing agent part: 12 grams down reacted the performed polymer that three hour form by weight 1: 1 at 60 ℃ by tolylene diisocyanate and Viscotrol C, Di Iso Decyl Phthalate 30 grams.
Mechanics, electrical performance indexes: tensile strength: 2.11kg/cm
2Tear strength: 0.45kg/cm, elongation at break: 140%; Hardness Shao Shi A:0-2; Water-intake rate: 2.59 ‰; Heart yearn withdrawal force: 2.47kg; Volume specific resistance: 1.1 * 10
14Ω cm; Volume specific resistance (aging back): 9.2 * 10
13Ω cm.
Ambient cure transparent filling agent of the present invention is made up of urethane host and solidifying agent two parts, vaseline substances compatible in this product and the cable, when two components are mixed and mix in later for some time quite low viscosity will be arranged, guarantee that weighting agent can flow into each slit of cable splice; After the curing, gelationus weighting agent does not have material and separates out, moves, and in addition, weighting agent can also be used tool to open, place under repair after solidifying at an easy rate.This weighting agent does not have corrosion to copper cash, also has excellent stability to hydrolysis, and curing speed is fast, no bubble, and field operation is easy.
Transparent filling agent of the present invention is specially adapted to the oil filled switch joint and uses.
Claims (14)
1, a kind of ambient cure transparent filling agent, be divided into host and solidifying agent two portions, host contains a kind of polymerized polyalcohol, a kind of softening agent at least, it is characterized in that also comprising in the host and contain epoxy group(ing) polyvalent alcohol and catalyzer, the mixed catalyst that catalyzer is made up of metal catalyst, aliphatic amide and hydramine, they are by weight 5: (3-4): (1-2) form; The composition range of host and solidifying agent is as follows:
The composition range of host (by weight percentage):
Polymerized polyalcohol 35-45%;
Contain epoxy group(ing) polyvalent alcohol 1.5-14%;
Softening agent 32-42%;
Catalyzer 0.05-0.15%;
The composition range of solidifying agent (by weight percentage):
Organic diisocyanate 22-36%;
Softening agent 64-78%;
Host and solidifying agent two portions are hybridly prepared into weighting agent with stoichiometric ratio at 1: 1.
2, connect the described transparent filling agent of claim 1, it is characterized in that organic diisocyanate is aliphatic diisocyanate or aromatic diisocyanate.
3,, it is characterized in that substituting organic diisocyanate by weight the performed polymer that reaction in 1: 1 generates with tolylene diisocyanate and Viscotrol C by the described transparent filling agent of claim 1.
4, by the described transparent filling agent of claim 1, it is characterized in that containing the epoxy group(ing) polyvalent alcohol is hydroxyl linear aliphatic class, alicyclic ring same clan epoxy compounds, contains an epoxy-terminated or epoxy side group at least, and hydroxyl value is between 0.1-0.6.
5, by the described transparent filling agent of claim 1, it is characterized in that containing the epoxy group(ing) polyvalent alcohol is hydroxyl aliphatic alkyl, thiazolinyl, dialkylene epoxidized vegetable oil or cycloalkyl ring oxide compound.
6, by the described transparent filling agent of claim 5, it is characterized in that epoxidized vegetable oil is hydroxyl epoxy soybean oil, hydroxyl epoxy oleum lini, hydroxyl epoxy Viscotrol C.
7, by the described transparent filling agent of claim 5, it is characterized in that dialkylene is epoxy hydroxy-terminated polybutadienes, epoxy terminal hydroxy group polyisoprene.
8,, it is characterized in that polymerized polyalcohol is polyether glycol, polyester polyol, terminal hydroxy group hydrocarbon compound or alternative with castor-oil plant wet goods hydroxyl material by power requirement 1 described transparent filling agent.
9, by the described transparent filling agent of claim 8, it is characterized in that the terminal hydroxy group hydrocarbon compound is a hydroxy-terminated polybutadienes.
10,, it is characterized in that softening agent one ester compound, vegetables oil, epoxy compounds, mineral treated oil or with their mixture by the described transparent filling agent of claim 1.
11,, it is characterized in that the compositing range (by weight percentage) of the mixture of ester compound, vegetables oil, epoxy compounds and mineral treated oil by the described transparent filling agent of claim 10:
Ester compound 20-50%;
Vegetables oil 10-60%;
Epoxy compounds 3-15%;
Mineral treated oil 10-40%.
12, by the described transparent filling agent of claim 1, it is characterized in that catalyzer is the mixed catalyst that low-molecular-weight Malaysia acyl-oxygen dibutyl tin multipolymer, low-molecular-weight polyvinylamine and trolamine are formed, they were formed by weight 5: 3: 2.
13, by the described transparent filling agent of claim 1, it is characterized in that catalyzer is the mixed catalyst that low-molecular-weight Malaysia acyl-oxygen dibutyl multipolymer, low-molecular-weight polyvinylamine and THED tetrahydroxy ethylene diamine one propylene oxide ether are formed, they were formed by weight 5: 4: 2.
14, by the described transparent filling agent of claim 1, it is characterized in that catalyzer is the mixed catalyst that stannous octoate, low molecular weight amino polyethers and trolamine are formed, they were formed by weight 5: 3: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94107283A CN1044815C (en) | 1994-06-27 | 1994-06-27 | Transparent filling agent of ordinary temp. solidification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94107283A CN1044815C (en) | 1994-06-27 | 1994-06-27 | Transparent filling agent of ordinary temp. solidification |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1114328A CN1114328A (en) | 1996-01-03 |
| CN1044815C true CN1044815C (en) | 1999-08-25 |
Family
ID=5032911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94107283A Expired - Fee Related CN1044815C (en) | 1994-06-27 | 1994-06-27 | Transparent filling agent of ordinary temp. solidification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1044815C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109321197A (en) * | 2018-10-11 | 2019-02-12 | 刘凤语 | Bi-component optical cable filling with sealant and its preparation method and application, optical cable |
| CN109554084A (en) * | 2018-11-06 | 2019-04-02 | 青岛展辰新材料有限公司 | A kind of transparent woodenware filler of high fillibility and preparation method thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5291569B2 (en) * | 2009-08-12 | 2013-09-18 | 武蔵塗料株式会社 | Vinyl-modified polyester polyol, two-component curable coating composition and cured product |
| CN111320739A (en) * | 2020-03-26 | 2020-06-23 | 瑭圭究 | Composition and resin for preparing environment-friendly polyurethane molding resin and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4348307A (en) * | 1978-10-30 | 1982-09-07 | Siemens Aktiengesellschaft | Sealing materials for electrical and optical communication cables and cable connectors |
| JPS6440588A (en) * | 1987-08-07 | 1989-02-10 | Hitachi Cable | Flame-retardant polyurethane composition for filling in penetrating part of wire cable |
| JPH01303010A (en) * | 1988-05-30 | 1989-12-06 | Hitachi Cable Ltd | Cable joint or terminal |
-
1994
- 1994-06-27 CN CN94107283A patent/CN1044815C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4348307A (en) * | 1978-10-30 | 1982-09-07 | Siemens Aktiengesellschaft | Sealing materials for electrical and optical communication cables and cable connectors |
| JPS6440588A (en) * | 1987-08-07 | 1989-02-10 | Hitachi Cable | Flame-retardant polyurethane composition for filling in penetrating part of wire cable |
| JPH01303010A (en) * | 1988-05-30 | 1989-12-06 | Hitachi Cable Ltd | Cable joint or terminal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109321197A (en) * | 2018-10-11 | 2019-02-12 | 刘凤语 | Bi-component optical cable filling with sealant and its preparation method and application, optical cable |
| CN109554084A (en) * | 2018-11-06 | 2019-04-02 | 青岛展辰新材料有限公司 | A kind of transparent woodenware filler of high fillibility and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1114328A (en) | 1996-01-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5688860A (en) | Polyurethane/polyurea elastomers | |
| US4742112A (en) | Ricinoleate modified hydrocarbon polyols | |
| CN109554101A (en) | A kind of polyurethane water-proof paint | |
| KR102088418B1 (en) | Heating tiles using carbon fiber and panels using the same | |
| CN102803331A (en) | Crosslinkable thermoplastic polyurethane | |
| CN101550327A (en) | High hardness high-toughness polyurethane casting compound and application thereof | |
| CN106866924A (en) | Shock insulation polyurethane elastomer material composition and preparation method thereof | |
| CA2432169C (en) | Polyurethane compositions useful as shock absorbers and a method for their preparation | |
| JP5864008B1 (en) | Polyol composition for production of polyurethane resin composition | |
| ATE233286T1 (en) | A METHOD FOR PRODUCING A THERMOPLASTIC POLYURETHANE COMPOSITION AND THE COMPOSITION THEREFORE PRODUCED | |
| CN1044815C (en) | Transparent filling agent of ordinary temp. solidification | |
| AU686607B2 (en) | Filter | |
| KR101395718B1 (en) | Compositions of polyurethane resin for adhesive | |
| CA2973777C (en) | Polyol component for the production of pur foams | |
| KR102399534B1 (en) | Road Sign Marking Composition Improved Visibility | |
| DE102008008034A1 (en) | Polyurethane gel obtained by mixing polyether alcohols, a diisocyanate, a triisocyanate and additives, in the presence of a catalyst, useful in prosthetics, sports area (bicycle saddles) and cable penetrations | |
| CN110845841B (en) | Never-yellowing thermoplastic polyurethane elastomer and preparation method thereof | |
| KR100841399B1 (en) | A high hardness polyurethane resin for elastic concret | |
| KR102046644B1 (en) | Compositions for polyurethane track that provide environmental friendliness | |
| EP2411435B1 (en) | Polyurethane gels and method for the production thereof | |
| CN108117848A (en) | A kind of chemically-resistant type self-adhered polymer modified bitumen waterproofing membrane | |
| CA1186442A (en) | One-part, curable polyurethane | |
| CN101481489B (en) | Adverse environment resistant encapsulating material and preparation thereof | |
| CN107141703A (en) | A kind of environmental protection flame retardant elastic ground pavement material and preparation method thereof | |
| JPH0346005B2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |