CN105367977A - TPE bathroom accessory shower head rubber coating material and use thereof - Google Patents
TPE bathroom accessory shower head rubber coating material and use thereof Download PDFInfo
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- CN105367977A CN105367977A CN201510795317.3A CN201510795317A CN105367977A CN 105367977 A CN105367977 A CN 105367977A CN 201510795317 A CN201510795317 A CN 201510795317A CN 105367977 A CN105367977 A CN 105367977A
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Abstract
A TPE bathroom accessory shower head rubber coating material comprises the following starting materials: 100 parts by weight of MAH-g-SEBS; 30-40 parts by weight of MAH-g-PP; 10-30 parts by weight of white oil; 10-15 parts by weight of a hyperbranched polyurethane modified carbon nanotube; and 1-5 parts by weight of amino nano-montmorillonite; wherein hyperbranched polyurethane is isocyanate group and carboxyl together-terminated hyperbranched polyurethane; and the carbon nanotube is an acidification-treated carbon nanotube. The TPE bathroom accessory shower head rubber coating material can well coat ABS plastic, is delicate in hand feeling, non-slip, free of smell and good in heat resistance, can be used for long term at -60 to 150 DEG C temperature conditions without separating and falling off, and can maintain flexibility unchanged.
Description
Technical field
The invention belongs to thermoplastic elastic material field, more specifically, the present invention relates to a kind of TPE encapsulate material and its production and use.
Background technology
The bathroom of long-term humidity requires higher to gondola water faucet class articles for use, not only requires the good airproof performance of gondola water faucet, hand feel and drape, on-slip, and will possess good thermotolerance and weathering resistance.ABS is vinyl cyanide, 1,3-butadiene, cinnamic terpolymer, is often used to prepare bathroom gondola water faucet body, makes it possess good shock resistance, but independent ABS plastic gondola water faucet antiskid property is not good, very easily aging under being directly exposed to external environment.TPE is that a kind of have can the material of injection molding feature; there is the snappiness of rubber, high strength, weather-proof, heat-resisting feature; TPE thermoplastic elastomer is used to carry out coated process to ABS plastic; the comfortable sense of touch of ABS plastic gondola water faucet, grip, wear resistance, thermotolerance can not only be improved; promote goods aesthetics; and can gondola water faucet be protected, increase the service life.But nonpolar TPE material there will be covering property difference when the ABS material of coated polarity, degree of adhesion is low, use for some time there will be the phenomenon that two-phase laminated flow comes off, and can not improve the performance of former ABS plastic gondola water faucet on the contrary.
Therefore, to be starved of by arranging specific TPE material, and by improving existing production technique, prepare a kind of can coating ABS isopolarity plastic prod and the TPE bathroom gondola water faucet encapsulate material of cladded type excellence.
Summary of the invention
In order to solve the problem, one aspect of the present invention provides a kind of TPE bathroom gondola water faucet encapsulate material, and its raw materials comprises:
The MAH-g-SEBS of 100 weight parts;
The MAH-g-PP of 30 ~ 40 weight parts;
The white oil of 10 ~ 30 weight parts;
The super branched polyurethane modified carbon nano-tube of 10 ~ 15 weight parts;
The amination nano imvite of 1 ~ 5 weight part;
Wherein, described super branched polyurethane is the super branched polyurethane of the common end-blocking of isocyanate group and carboxyl; Described carbon nanotube is the carbon nanotube through acidification.
Preferably, the percentage of grafting of described MAH-g-SEBS is 1.4% ~ 2.5%.
Preferably, the percentage of grafting of described MAH-g-PP is 1% ~ 3%.
Preferably, described super branched polyurethane uses maleic anhydride and vulcabond to carry out modification acquisition to hyper-branched polyester, mol ratio 1:(4 ~ 6 of wherein said hyper-branched polyester and maleic anhydride).
Preferably, described vulcabond comprises isophorone diisocyanate, 4 ' 4-diphenylmethanediisocyanate, hexamethylene diisocyanate or 2,4 tolylene diisocyanates.
Preferably, described amination nano imvite is that nano imvite obtains through aminosilane coupling agent modifying, and described amino silicane coupling agent comprises 3-aminopropyl triethoxysilane, 3-aminopropyl trimethoxysilane, N-2-aminoethyl-3-aminopropyl trimethoxysilane, N-2-aminoethyl-3-aminopropyltriethoxy dimethoxysilane, 3-aminopropyltriethoxy diethoxy silane, anilinomethyl triethoxysilane.
Preferably, described raw materials also comprises hindered amines thermo-stabilizer, phenol oxidation inhibitor, Benzotriazole Ultraviolet Stabilizer, bisamide class dispersion agent, brominated organic fire retardant, Calucium Silicate powder mineral filler, pigment dyestuff.
Present invention also offers a kind of preparation method of TPE bathroom gondola water faucet encapsulate material, comprise the following steps:
By above-mentioned gondola water faucet encapsulate material, by weight after mixing, join extruding pelletization in twin screw extruder, obtain TPE bathroom gondola water faucet encapsulate material; Dual-screw-stem machine one district temperature 105 ~ 115 DEG C is set; Two district's temperature 220 ~ 230 DEG C; Three district's temperature 230 ~ 240 DEG C; Four district's temperature 240 ~ 250 DEG C; Five district's temperature 150 ~ 160 DEG C; Six district's temperature 140 ~ 150 DEG C, seven district's temperature 140 ~ 150 DEG C; Head temperature 140 ~ 150 DEG C; Main frame frequency 500 ~ 600 revs/min.
The purposes additionally providing a kind of above-mentioned TPE bathroom gondola water faucet encapsulate material of the present invention, being namely used for coating ABS is the bathroom gondola water faucet of body material.A kind of preparation method of TPE coating ABS bathroom gondola water faucet: in double coloured plastic injection machine, first add the injection molding of ABS base-material and obtain ABS bathroom gondola water faucet body, then under vacuum, add the TPE bathroom gondola water faucet encapsulate material that described preparation method prepares gained, at 190 DEG C ~ 220 DEG C, post forming 16 hours, cooling curing, obtains TPE coating ABS bathroom gondola water faucet.Containing bathroom gondola water faucet mould in described double coloured plastic injection machine.
A kind of TPE bathroom gondola water faucet encapsulate material that the present patent application provides, compared with prior art, beneficial effect is embodied in: can coating ABS plastics well, feel exquisiteness, on-slip, free from extraneous odour, and good heat resistance, can not be separated at life-time service under higher temperature conditions and come off, and keep elasticity constant.
Be easier to understand the above-mentioned of the application and other features, aspect and advantage with reference to following detailed description.
Embodiment
The detailed description of the following preferred implementation method of the present invention of participation in the election and the embodiment comprised more easily can understand present disclosure.Can mention a large amount of term in following specification sheets and claims, these terms are defined as following implication.
Term as used herein " by ... preparation " and " comprising " synonym.Term used herein " comprises ", " comprising ", " having ", " containing " or its other distortion any, be intended to cover the comprising of non-exclusionism.Such as, comprise the composition of listed elements, step, method, goods or device and need not be only limitted to those key elements, but other key element of clearly not listing or the intrinsic key element of this kind of composition, step, method, goods or device can be comprised.
During the Range Representation that equivalent, concentration or other value or parameter limit with scope, preferable range or a series of upper limit preferred value and lower preferable values, this is appreciated that all scopes specifically disclosing and formed by arbitrary pairing of any range limit or preferred value and any range lower limit or preferred value, no matter and whether this scope separately discloses.Such as, when disclosing scope " 1 to 5 ", described scope should be interpreted as comprising scope " 1 to 4 ", " 1 to 3 ", " 1-2 ", " 1-2 and 4-5 ", " 1-3 and 5 " etc.When numerical range is described in this article, unless otherwise indicated, otherwise this scope intention comprises its end value and all integers within the scope of this and mark.
One aspect of the present invention provides a kind of TPE bathroom gondola water faucet encapsulate material, and its raw materials comprises:
The MAH-g-SEBS of 100 weight parts;
The MAH-g-PP of 30 ~ 40 weight parts;
The white oil of 10 ~ 30 weight parts;
The super branched polyurethane modified carbon nano-tube of 10 ~ 15 weight parts;
The amination nano imvite of 1 ~ 5 weight part;
Wherein, described super branched polyurethane is the super branched polyurethane of the common end-blocking of isocyanate group and carboxyl; Described carbon nanotube is the carbon nanotube through acidification.
MAH-g-SEBS：
The term " SEBS " used in the application refers to polystyrene to be end segment, and the ethylene-butene copolymer obtained with polyhutadiene hydrogenation is the linear three block copolymer of middle spring block.Described MAH-g-SEBS refers to maleic anhydride modified SEBS, namely uses maleic anhydride to carry out graft modification to SEBS, can adopt solution graft copolymerization and fusion-grafting two kinds of method preparations, wherein, when solution grafting carries out SEBS grafting MAH, the graft reaction time is long, and grafting efficiency is low, need to consume poisonous, flammable solvent in a large number, production cost is high, large to human injury, contaminate environment, take up an area large, be difficult to realize continuous operation.Therefore, preferably melt grafting is adopted.
Be not particularly limited as the MAH-g-SEBS used in the present invention, can be commercially available or experiment synthesis, wherein, the percentage of grafting of maleic anhydride can be 1.4% ~ 2.5%; Preferably, in described MAH-g-SEBS, the percentage of grafting of MAH is 1.8%.
MAH-g-PP：
Described MAH-g-PP refers to maleic anhydride modified polypropylene, the maleic anhydride modified PP(MAH-g-PP as using in the present invention) be not particularly limited, can be commercially available or experiment synthesis, wherein, MAH percentage of grafting here can be 1% ~ 3%; Preferably, the percentage of grafting of MAH is 2%.
white oil:
White oil is by the mixture of oil gained refining liquid hydrocarbon, is mainly saturated naphthenic hydrocarbon and alkane mixture, and crude oil is through normal pressure and vacuum fractionation, solvent extraction and dewaxing, hydrofining and obtaining.White oil, mainly as lubricant, improves consistency heterogeneous in matrix material.The application is not particularly limited white oil, can commercially availablely obtain.
super branched polyurethane modified carbon nano-tube:
Described super branched polyurethane is the super branched polyurethane of the common end-blocking of isocyanate group and carboxyl.
In one embodiment, described super branched polyurethane preparation method is:
(1) by hyper-branched polyester Boltorn
tMbe abbreviated as H20 below H20() and maleic anhydride according to mol ratio 1:(2 ~ 10) ratio be dissolved in tetrahydrofuran (THF), be uniformly mixed, add catalyzer DMAP, react under 50 ~ 60 DEG C of conditions, by infrared spectra detection reaction course until 1784cm
-1till the neighbouring bimodal disappearance of anhydride group, obtain MAH-H20 mixture.
(2) by mass concentration be 10 ~ 30% diisocyanate solution drip enter in the MAH-H20 mixture of above-mentioned acquisition, add organotin catalysts dibutyl tin laurate, under 70 ~ 80 DEG C of conditions react 5 ~ 7h, until characteristic peak is at 2270cm
-1neighbouring isocyanate groups completely dissolve, obtains the super branched polyurethane MAH-H20-NCO of isocyanate group and the common end-blocking of carboxyl.
Wherein, described vulcabond comprises isophorone diisocyanate, 4 ' 4-diphenylmethanediisocyanate, hexamethylene diisocyanate or 2,4 tolylene diisocyanates.
Wherein, described hyper-branched polyester Boltorn
tMh20 is the hyper-branched polyester with 16 terminal hydroxy group, and number-average molecular weight is 1750g/mol, can be commercially available, also can test synthesis.Experiment synthesis take normally tetramethylolmethane as nuclear unit, with 2,2-dimethylol propionic acid for branching unit, under acid catalysis, carries out condensation reaction prepare in 140 ~ 160 DEG C.
Preferably, mol ratio 1:(4 ~ 6 of described hyper-branched polyester H20 and maleic anhydride).
As the carbon nanotube used in the present invention through acidification, the present invention is not particularly limited the carbon nanotube before acidifying, can be commercially available multi-walled carbon nano-tubes MWCNT, preferred diameter 10 ~ 30 nanometer, long 5 ~ 15 microns.
In one embodiment, the acidification mode of described carbon nanotube is:
0.8g carbon nanotube MWCNT is placed in beaker, slowly add concentrated nitric acid and the vitriol oil that volume ratio is 3:1, stirring reaction 24h under 50 DEG C of temperature condition, stratification goes upper strata acid solution, with deionized water wash 3 ~ 5 times, until pH is neutral, under sample being placed in 40 DEG C of temperature condition, dry 12 ~ 20h, obtains carboxylated carbon nanotube MWCNT-COOH.
In one embodiment, the preparation method of described super branched polyurethane modified carbon nano-tube is:
Above-mentioned for 0.1g carboxylated carbon nanotube MWCNT-COOH and 0.2 ~ 1g super branched polyurethane MAH-H20-NCO is mixed in anhydrous dioxane, under 50 DEG C of nitrogen protections, reacts 10 ~ 24h, obtain super branched polyurethane modified carbon nano-tube.The sterically hindered meeting that super branched polyurethane macromole is larger makes the carboxyl of the isocyanate group above macromole preferentially and above carbon nanotube react.
The super branched polyurethane of isocyanate group of the present invention and the common end-blocking of carboxyl has the spheroidal macromolecular structure of class, modified carbon nanotube and the consistency of MAH-g-SEBS and MAH-g-PP improve, dispersed increase, effectively can improve elasticity and the tensile strength of whole matrix material.In addition, carboxyl super branched polyurethane having neither part nor lot in modified-reaction is at high temperature and under the condition of vacuum hydro-extraction, can with the phenyl ring generation Friedel-Crafts reaction on styrene units in MAH-g-SEBS, thus promote the polar of nonpolar SEBS further, improve superpacket sizing material and the consistency of ABS plastic when secondary injection molding.
In one embodiment, present inventor is surprised to find that by experiment, as the mol ratio 1:6 of hyper-branched polyester H20 and maleic anhydride, when the weight ratio of MWCNT-COOH and MAH-H20-NCO is 1:10, has better effect.
amination nano imvite:
Polynite (MMT) presss from both sides by two layers of tetrahedral si-o film that top connects altogether aluminium (magnesium) oxygen (hydrogen-oxygen) tetrahedral sheet that one deck is total to rib connection, forms the silicate minerals of 2:1 type containing crystal water.Nano imvite of the present invention is at least upwards be of a size of nano level at one-dimensional square, and its disperse phase yardstick is 1 ~ 100 nanometer.The nano imvite that may be used for the application is commercially available.
In one embodiment, described amination nano imvite is that nano imvite obtains through aminosilane coupling agent modifying.
In one embodiment, the preparation method of described amination nano imvite is: nano imvite and amino silicane coupling agent are placed in agate mortar grinding evenly by weight 1:1.Disperseed under vigorous stirring in deionized water by powder after grinding, centrifugal rear acetone extraction 48h, the coupling agent that removing is remaining and hydrolysate thereof, obtain amination nano imvite at 70 ~ 80 DEG C of vacuum-drying 12 ~ 24h.
In some embodiments, described amino silicane coupling agent comprises 3-aminopropyl triethoxysilane, 3-aminopropyl trimethoxysilane, N-2-aminoethyl-3-aminopropyl trimethoxysilane, N-2-aminoethyl-3-aminopropyltriethoxy dimethoxysilane, 3-aminopropyltriethoxy diethoxy silane, anilinomethyl triethoxysilane.
Nano imvite interlamellar spacing after aminosilane coupling agent modifying strengthens, and makes amidized nano imvite surface and interlayer grafting organic molecule long-chain, effectively can hinder the reunion between polynite particle, and then improve the heat-resistant stability of superpacket sizing material.In addition, nano imvite surface with amino can occur crosslinked with above-mentioned maleic anhydride modified SEBS and PP, promotion superpacket sizing material and the consistency of ABS plastic when secondary injection molding, to provide beneficial effect of the present invention.
other:
Various additive can be contained within the scope without prejudice to the object of the present invention.
As the object lesson of additive, the various oxidation inhibitor such as phenol oxidation inhibitor, Phosphorus oxidation inhibitor, sulfur type antioxidant can be enumerated; The various thermo-stabilizers such as hindered amines thermo-stabilizer; The various UV light absorber such as Benzophenones UV light absorber, Benzotriazole Ultraviolet Stabilizer, benzoate UV light absorber; The various static inhibitor such as non-ionic antistatic agent, cationic antistatic agent, anionic antistatic agent; The various dispersion agents such as bisamide class dispersion agent, paraffin class dispersion agent, organo-metallic salt dispersion agent; The various chlorine scavenger such as the metal carboxylate chlorine scavenger of alkaline earth salt; The various lubricants such as amides lubricant, paraffin class lubricant, organic metal salt series lubricant agent, ester lubricant; The various decomposition agents such as oxide-based decomposition agent, hydrotalcite decomposition agent; The various metal passivators such as hydrazine metalloid passivator, amine metal passivator; The various fire retardants such as brominated organic fire retardant, phosphoric acid based flame retardant, ANTIMONY TRIOXIDE SB 203 99.8 PCT, magnesium hydroxide, red phosphorus; The various inorganic fillers such as talcum powder, mica, clay, calcium carbonate, aluminium hydroxide, magnesium hydroxide, barium sulfate, glass fibre, carbon fiber, silicon-dioxide, Calucium Silicate powder, potassium titanate, wollastonite; Organic filler; Pigment dyestuff; Mineral dye; Inorganic antiseptic; Organic antibacterial agent etc.
When packing material is silicon-dioxide, its surface can be used to have carried out the silicon-dioxide of hydrophobic treatment with silicoorganic compound such as organosilane or organic silazane, diorganopolysiloxanecompositions in advance.In addition, calcium carbonate can use the organism such as lipid acid, fatty acid soaps, fatty acid ester or various tensio-active agent and the surface treatment agents such as various couplers such as silane coupling agent or titanic acid ester coupler to implement surface-treated calcium carbonate.
Another aspect of the present invention there is provided a kind of purposes of above-mentioned TPE bathroom gondola water faucet encapsulate material, and being namely used for coating ABS is the bathroom gondola water faucet of body material.
Overmoldedly being also called secondary injection molding technology, encapsulate is shaping, is a kind ofly carry out the shaping technology of multiple injection by different film chamber.Normally the first material is carried out typical single injection molding, then parts send into next different cavity body of mould, then carry out the injection moulding of the second material.Wherein the first material is called body material or base-material; The second injecting material is called covering material.In the present patent application, the first material is ABS base-material, and the second material is above-mentioned TPE bathroom gondola water faucet encapsulate material.
In a preferred embodiment, the shaping employing two shot mold of TPE coating ABS bathroom gondola water faucet, containing bathroom gondola water faucet mould in double coloured plastic injection machine.
In a preferred embodiment, described forming method comprises the following steps:
(1) according to raw material and the weight part of aforementioned TPE bathroom gondola water faucet encapsulate material, prepare raw material, pretreated for mixing principle is joined twin screw extruder extruding pelletization, the product of acquisition is placed on 70 DEG C of hot air type hopper inner dryings and within 3 hours, obtains TPE bathroom gondola water faucet encapsulate material;
(2) in the double coloured plastic injection machine with bathroom gondola water faucet mould, first add the injection molding of ABS base-material and obtain ABS bathroom gondola water faucet body, then under vacuum, add described TPE bathroom gondola water faucet encapsulate material, quadric injection mould at 190 DEG C ~ 220 DEG C, shaping 16 hours, then cooling curing, obtain TPE coating ABS bathroom gondola water faucet.
As preferably, in above-mentioned steps (1), twin screw extruder temperature is set to: district's temperature 105 ~ 115 DEG C; Two district's temperature 220 ~ 230 DEG C; Three district's temperature 230 ~ 240 DEG C; Four district's temperature 240 ~ 250 DEG C; Five district's temperature 150 ~ 160 DEG C; Six district's temperature 140 ~ 150 DEG C, seven district's temperature 140 ~ 150 DEG C; Head temperature 140 ~ 150 DEG C; Main frame frequency 500 ~ 600 revs/min.
And then preferably, in above-mentioned steps (1), twin screw extruder temperature is set to: district's temperature 105 DEG C; Two district's temperature 225 DEG C; Three district's temperature 235 DEG C; Four district's temperature 240 DEG C; Five district's temperature 160 DEG C; Six district's temperature 150 DEG C, seven district's temperature 140 DEG C; Head temperature 140 DEG C; Main frame frequency 550 revs/min.
As preferably, the temperature in above-mentioned steps (2) during quadric injection mould is 215 DEG C.
Although the present invention provide only the dual-color molding method of preparation TPE coating ABS bathroom gondola water faucet; but be not limited to " bathroom gondola water faucet " product; because change mould time shaping just can produce difform product, still technology enlightenment can be obtained from the content of application claims protection.
Below by embodiment, the present invention is specifically described.What be necessary to herein means out is; following examples are only for the invention will be further described; limiting the scope of the invention can not be interpreted as; some nonessential improvement and adjustment that the professional and technical personnel in this field makes according to the content of the invention described above, still belong to protection scope of the present invention.
In addition, if do not have other to illustrate, raw materials used is all commercially available, and purchased from Sigma-Aldrich company, and following material number used is weight part.
Component A is the SEBS of maleic anhydride graft, and B component is the PP of maleic anhydride graft, component C is white oil, and component D is super branched polyurethane modified carbon nano-tube, and component F is other additives.
A1:MAH-g-SEBS(MAH percentage of grafting 1.4%)
A2:MAH-g-SEBS(MAH percentage of grafting 1.8%)
A3:MAH-g-SEBS(MAH percentage of grafting 2.5%)
B1:MAH-g-PP(MAH percentage of grafting 1%)
B2:MAH-g-PP(MAH percentage of grafting 2%)
B3:MAH-g-PP(MAH percentage of grafting 3%)
C1: white oil
D1: super branched polyurethane modified carbon nano-tube
Wherein hyper-branched polyester Boltorn
tMh20 is purchased from PerstorpAB company of Sweden, and vulcabond is purchased from German goldschmidt chemical corporation, and carbon nanotube is purchased from Nanjing nanometer Haitai company limited.
Preparation method:
(1) by hyper-branched polyester Boltorn
tMbe abbreviated as H20 below H20() and maleic anhydride be dissolved in tetrahydrofuran (THF) according to the ratio of mol ratio 1:2, be uniformly mixed, add catalyzer DMAP, react under 50 DEG C of conditions, by infrared spectra detection reaction course until 1784cm
-1till the neighbouring bimodal disappearance of anhydride group, obtain MAH-H20 mixture.
(2) by mass concentration be 20% isophorone diisocyanate solution drip enter in the MAH-H20 mixture of above-mentioned acquisition, add organotin catalysts dibutyl tin laurate, under 70 DEG C of conditions, react 6h, until characteristic peak is at 2270cm
-1neighbouring isocyanate groups completely dissolve, obtains the super branched polyurethane MAH-H20-NCO of isocyanate group and the common end-blocking of carboxyl.
(3) 0.8g carbon nanotube MWCNT is placed in beaker, slowly add concentrated nitric acid and the vitriol oil that volume ratio is 3:1, stirring reaction 24h under 50 DEG C of temperature condition, stratification goes upper strata acid solution, with deionized water wash until pH is neutral, sample is placed in dry 15h under 40 DEG C of temperature condition, obtains carboxylated carbon nanotube MWCNT-COOH.
(4) carbon nanotube MWCNT-COOH carboxylated for 0.1g and 0.2g super branched polyurethane MAH-H20-NCO is mixed in anhydrous dioxane, under 50 DEG C of nitrogen protections, react 18h, obtain super branched polyurethane modified carbon nano-tube.
D2: super branched polyurethane modified carbon nano-tube
Preparation method and D1 similar, concrete difference is: hyper-branched polyester H20 and maleic anhydride mol ratio are 1:4 in step (1); In step (4), super branched polyurethane MAH-H20-NCO is 0.5g.
D3: super branched polyurethane modified carbon nano-tube
Preparation method and D1 similar, concrete difference is: hyper-branched polyester H20 and maleic anhydride mol ratio are 1:6 in step (1); In step (4), super branched polyurethane MAH-H20-NCO is 1.0g, under 50 DEG C of nitrogen protections, react 24h.
D4: super branched polyurethane modified carbon nano-tube
Preparation method and D1 similar, concrete difference is: hyper-branched polyester H20 and maleic anhydride mol ratio are 1:10 in step (1); Step uses hexamethylene diisocyanate in (2); In step (4), super branched polyurethane MAH-H20-NCO is 1.0g, under 50 DEG C of nitrogen protections, react 24h.
E1: amination nano imvite
Nano imvite is that sodium-based montmorillonite (Na*-MMT, 300 orders) is purchased from Zhejiang Feng Hong clay Chemical Co., Ltd..
Preparation method: nano imvite and 3-aminopropyltriethoxy diethoxy silane are placed in agate mortar grinding evenly by weight 1:1; Disperseed under vigorous stirring in deionized water by powder after grinding, centrifugal rear acetone extraction 48h, the coupling agent that removing is remaining and hydrolysate thereof, obtain amination nano imvite at 80 DEG C of vacuum-drying 15h.
E2: amination nano imvite
Preparation method and E1 similar, concrete difference is: use 3-aminopropyl triethoxysilane to carry out modification to nano imvite.
F:KH-550 improved silica; KH-550 modified calcium carbonate; Whitfield's ointment monoethylene glycol ester; Nano zine oxide.
embodiment:
The composition of raw materials that table 1 is preparation TPE bathroom gondola water faucet encapsulate material and consumption (parts by weight)
Table 1 embodiment (example) 1 ~ 9, comparative example (to) preparation method of 1 ~ 4 is as follows:
(1) above-mentioned TPE gondola water faucet encapsulate material feed composition is mixed by weight, join extruding pelletization in twin screw extruder, and district's temperature 105 DEG C is set; Two district's temperature 225 DEG C; Three district's temperature 235 DEG C; Four district's temperature 240 DEG C; Five district's temperature 160 DEG C; Six district's temperature 150 DEG C, seven district's temperature 140 DEG C; Head temperature 140 DEG C; Main frame frequency 550 revs/min; Prepare TPE bathroom gondola water faucet encapsulate material.
(2) TPE bathroom gondola water faucet encapsulate material step (1) obtained is placed on 70 DEG C of hot air type hopper inner dryings 2 ~ 4 hours.
(3) in the double coloured plastic injection machine containing bathroom gondola water faucet mould, first add the injection molding of ABS base-material and obtain ABS bathroom gondola water faucet body, then under vacuum, add the dry TPE gondola water faucet encapsulate material coating ABS bathroom gondola water faucet body that step (2) obtains, at 215 DEG C, post forming 16 hours, cooling curing, obtains TPE coating ABS bathroom gondola water faucet.
Comparative example 5(is to 5):
Using without 100 maleic anhydride modified weight part SEBS and 35 weight part PP as main raw material, is prepare other composition of raw materials of TPE gondola water faucet encapsulate material, consumption and preparation method to prepare TPE coating ABS bathroom gondola water faucet according to example 6 in upper table 1.
Comparative example 6(is to 6):
In reference table 1, example 6 is prepare other composition of raw materials of TPE gondola water faucet encapsulate material, consumption and preparation method to prepare TPE coating ABS bathroom gondola water faucet, but preparation method does not comprise step (2).
Testing method:
tensile property:tensile strength and elongation at break measure according to JISK6251.
heat-resistant aging:transmission baking oven sample being put into 150 DEG C leaves standstill 300 hours, take out again and put about 24 hours in ambient temperatare, whether TPE surrounding phase and the ABS body of observing sample come off mutually and are separated, and evaluate the degree be separated: ◎ (two be connected closely, shape invariance); Zero (two be connected comparatively closely, shape invariance); △ (two connections occur little separation opening, shape have part to change); × (it is larger that two connections occur dividing more greatly gap, change in shape).
Test is divided into two portions, tensile property when being first injection moulding only to TPE bathroom gondola water faucet encapsulate material list is tested, use the TPE bathroom gondola water faucet encapsulate material that embodiment 1 ~ 9 and comparative example 1 ~ 5 obtain, when there is no ABS bathroom gondola water faucet body, adopt the injecting condition identical with preparation TPE coating ABS bathroom gondola water faucet to carry out injection moulding separately, obtain the sample of test tensile property.
Second section is the TPE coating ABS bathroom gondola water faucet sample obtained for embodiment 1 ~ 9 and comparative example 1 ~ 6, carries out the test of heat-resistant aging.
Test result is in table 2.
Table 2 test result
Data as can be seen from table 2, TPE gondola water faucet encapsulate prepared by the embodiment of the present invention 1 ~ 9 is not compared with using the product of super branched polyurethane modified carbon nano-tube, maleic anhydride modified SEBS and PP, amination nano imvite, all embody excellent elongation at break and tensile strength, corresponding TPE coating ABS bathroom gondola water faucet also embodies excellent heat-resistant aging.In addition, if carry out drying treatment of the present invention to TPE bathroom gondola water faucet encapsulate material before injection moulding, also certain influence can be produced to encapsulation.TPE coating ABS bathroom gondola water faucet prepared by the present invention is while having better tensile strength, and also have excellent elasticity and heat-resistant stability concurrently, covered effect is good, because herein is provided Advantageous Effects of the present invention.
Aforesaid example is only illustrative, for explaining some features of feature of the present disclosure.Appended claim is intended to the scope wide as far as possible that requirement it is contemplated that, and the embodiment presented herein is only the explanation of the embodiment of the selection of combination according to all possible embodiment.Therefore, the purpose of applicant is the selectional restriction that appended claim is not illustrated the example of feature of the present invention.And progress in science and technology is not replaced to be formed due to the inaccurate reason of language performance by the possible equivalent considered at present or son, and these changes also should be interpreted as being covered by appended claim in the conceived case.
Claims (10)
1. a TPE bathroom gondola water faucet encapsulate material, it is characterized in that, raw materials comprises:
The MAH-g-SEBS of 100 weight parts;
The MAH-g-PP of 30 ~ 40 weight parts;
The white oil of 10 ~ 30 weight parts;
The super branched polyurethane modified carbon nano-tube of 10 ~ 15 weight parts;
The amination nano imvite of 1 ~ 5 weight part;
Wherein, described super branched polyurethane is the super branched polyurethane of the common end-blocking of isocyanate group and carboxyl; Described carbon nanotube is the carbon nanotube through acidification.
2. TPE bathroom gondola water faucet encapsulate material according to claim 1, it is characterized in that, the percentage of grafting of described MAH-g-SEBS is 1.4% ~ 2.5%.
3. TPE bathroom gondola water faucet encapsulate material according to claim 1, it is characterized in that, the percentage of grafting of described MAH-g-PP is 1% ~ 3%.
4. TPE bathroom gondola water faucet encapsulate material according to claim 1, it is characterized in that, described super branched polyurethane uses maleic anhydride and vulcabond to carry out modification acquisition to hyper-branched polyester, and the mol ratio of wherein said hyper-branched polyester and maleic anhydride is 1:(4 ~ 6).
5. TPE bathroom gondola water faucet encapsulate material according to claim 4, it is characterized in that, described vulcabond comprises isophorone diisocyanate, 4 ' 4-diphenylmethanediisocyanate, hexamethylene diisocyanate or 2,4 tolylene diisocyanates.
6. TPE bathroom gondola water faucet encapsulate material according to claim 1, it is characterized in that, described amination nano imvite is that nano imvite obtains through aminosilane coupling agent modifying; Described amino silicane coupling agent comprises 3-aminopropyl triethoxysilane, 3-aminopropyl trimethoxysilane, N-2-aminoethyl-3-aminopropyl trimethoxysilane, N-2-aminoethyl-3-aminopropyltriethoxy dimethoxysilane, 3-aminopropyltriethoxy diethoxy silane, anilinomethyl triethoxysilane.
7. TPE bathroom gondola water faucet encapsulate material according to claim 1, it is characterized in that, described raw materials also comprises hindered amines thermo-stabilizer, phenol oxidation inhibitor, Benzotriazole Ultraviolet Stabilizer, bisamide class dispersion agent, brominated organic fire retardant, Calucium Silicate powder mineral filler, pigment dyestuff.
8. a preparation method for TPE bathroom gondola water faucet encapsulate material, comprises the following steps:
By the gondola water faucet encapsulate material according to any one of claim 1 ~ 7, by weight after mixing, join extruding pelletization in twin screw extruder, obtain TPE bathroom gondola water faucet encapsulate material; Dual-screw-stem machine one district temperature 105 ~ 115 DEG C is set; Two district's temperature 220 ~ 230 DEG C; Three district's temperature 230 ~ 240 DEG C; Four district's temperature 240 ~ 250 DEG C; Five district's temperature 150 ~ 160 DEG C; Six district's temperature 140 ~ 150 DEG C, seven district's temperature 140 ~ 150 DEG C; Head temperature 140 ~ 150 DEG C; Main frame frequency 500 ~ 600 revs/min.
9. the preparation method of a TPE coating ABS bathroom gondola water faucet: in double coloured plastic injection machine, first add the injection molding of ABS base-material and obtain ABS bathroom gondola water faucet body, then under vacuum, add the TPE bathroom gondola water faucet encapsulate material that claim (8) described preparation method prepares gained, at 190 DEG C ~ 220 DEG C, post forming 16 hours, cooling curing, obtains TPE coating ABS bathroom gondola water faucet; Containing bathroom gondola water faucet mould in described double coloured plastic injection machine.
10. the preparation method of a kind of TPE coating ABS bathroom gondola water faucet according to claim 9, it is characterized in that, add before claim (8) described preparation method prepares the TPE bathroom gondola water faucet encapsulate material of gained, described TPE bathroom gondola water faucet encapsulate material is placed on 70 DEG C of hot air type hopper inner dryings 2 ~ 4 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510795317.3A CN105367977A (en) | 2015-11-18 | 2015-11-18 | TPE bathroom accessory shower head rubber coating material and use thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510795317.3A CN105367977A (en) | 2015-11-18 | 2015-11-18 | TPE bathroom accessory shower head rubber coating material and use thereof |
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| Publication Number | Publication Date |
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| CN105367977A true CN105367977A (en) | 2016-03-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108912478A (en) * | 2018-05-03 | 2018-11-30 | 安徽雅诺卫浴科技有限公司 | Ageing-resistant shower plastic master batch with bacteria resistance function |
| CN110408081A (en) * | 2019-08-07 | 2019-11-05 | 河南中柏防火涂料科技有限公司 | A kind of flame retardant composite material for building and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105001581A (en) * | 2015-07-14 | 2015-10-28 | 安徽雄亚塑胶科技有限公司 | TPE composition and high-performance sealing material obtained from same |
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| CN105001581A (en) * | 2015-07-14 | 2015-10-28 | 安徽雄亚塑胶科技有限公司 | TPE composition and high-performance sealing material obtained from same |
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| 陈勇军 等: ""研钵研磨法氨基功能化改性蒙脱土"", 《华南理工大学学报（自然科学版）》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108912478A (en) * | 2018-05-03 | 2018-11-30 | 安徽雅诺卫浴科技有限公司 | Ageing-resistant shower plastic master batch with bacteria resistance function |
| CN110408081A (en) * | 2019-08-07 | 2019-11-05 | 河南中柏防火涂料科技有限公司 | A kind of flame retardant composite material for building and preparation method thereof |
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Application publication date: 20160302 |