CN105037922A - High-impact-resistant anti-aging automobile bumper - Google Patents
High-impact-resistant anti-aging automobile bumper Download PDFInfo
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
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Abstract
The invention discloses a high-impact-resistant anti-aging automobile bumper which comprises following materials, by weight, polypropylene, trichloroethyl phosphate, thermoplastic polyurethane, phenolic resin, thermosetting acrylic acid resin, ethylene propylene rubber, polyethylene, a shear thickening agent, polyisophthaloyl metaphenylene diamine fiber, an anti-static agent, an anti-oxidant, a dispersing agent, a plasticizer, 4-benzoyloxy-2,2,6,6-tetramethylpiperidine and 2-(2'-hydroxy-3',5'-ditert-phenyl)-5-chlorobenzotriazole. The automobile bumper is low in shrinkage rate, is high in flowability, is good in weather resistance and is excellent in paint performance, and meanwhile is high in toughness, strength, elongation at break and heat deflection temperature. The automobile bumper is free of being broken even an automobile is slightly impacted. Compared with the materials of an automobile bumper in the prior art, the automobile bumper materials are greatly improved in flexural modulus, tensile strength, hardness and melt flowing rate. In addition, the automobile bumper is significantly improved in low-temperature anti-impact performance and chemical-product-resistant performance.
Description
Technical field
The present invention relates to automobile component Material Field, the bumper that particularly a kind of high impact-resistant is ageing-resistant
Background technology
PP is a kind of semi-crystalline material.It is harder and have higher fusing point than PE.Because the PP temperature of homopolymer type is highly brittle lower than when less than 0 DEG C, therefore the PP material of much business adds the Random copolymer RCP of 1 ~ 4% ethene or the pincers segmentation multipolymer of more height ratio ethylene content.The PP material of copolymer type has lower hot torsion temperature (100 DEG C), low transparency, low-luster, low rigidity, but has stronger resistance to impact shock.The intensity of PP increases along with the increase of ethylene content.The vicat softening temperature of PP is 150 DEG C.Because degree of crystallinity is higher, surface rigidity and the anti-scratch characteristic of this material are fine.There is not environmental stress cracking problem in PP.Usually, adopt add glass fibre, the method for metal additive or thermoplastic rubber carries out modification to PP.The turnover rate MFR scope of PP is 1 ~ 40.The PP material impact property of low MFR is better but ductility/strength is lower.For the material of identical MFR, wanting of the strength ratio homopolymer type of copolymer type is high.Due to crystallization, the shrinking percentage of PP is quite high, is generally 1.8 ~ 2.5%.And the direction homogeneity of shrinking percentage is more far better than materials such as PE-HD.The glass additive adding 30% can make shrinking percentage drop to 0.7%.The PP material of homopolymer type and copolymer type all has excellent resistance to water soak, antiacid caustic corrosion, resist dissolution.But it does not have resistibility to aromatic hydrocarbon solvent, chlorinated hydrocarbon solvent etc.PP does not resemble PE yet at high temperature still has oxidation-resistance.About the PP resin ratio be used in injection-molded item can account for half, wherein daily necessities with common PP for raw material, auto parts machinery with strengthen or Toughened PP for raw material, other purposes is then based on the Co-polypropylene PPC raw material of high impact and low embrittlement temperature.PP more and more becomes the leading material of auto parts machinery, becomes first automotive plastic kind.Toughened PP is used for collision bumper and hubcap etc., strengthens PP then for panel board, bearing circle, handle, container, battery jar etc.Polypropylene is the polymkeric substance of the oyster white height crystallization of nontoxic, odorless, tasteless, and it is stable especially to water, and the water-intake rate in water is only 0.01%, good moldability, and product surface good luster is easy to painted.Polyacrylic degree of crystallinity is high, compound with regular structure, thus has excellent mechanical property.The absolute value of Mechanical Properties of PP higher than polyethylene, but still belongs to kind on the low side in a plastic material, and its tensile strength only can reach 30MPa or slightly high level.The polypropylene that isotactic index is larger has higher tensile strength, but with the raising of isotactic index, the shock strength of material declines to some extent, but no longer changes after dropping to a certain numerical value.Temperature and loading rate very large to polyacrylic Toughness.When temperature is higher than second-order transition temperature, impact fracture is ductile rupture, be brittle rupture, and impact value significantly declines lower than second-order transition temperature.Improve loading rate, the temperature that ductile rupture can be made to change to brittle rupture rises.Polypropylene has excellent flexural fatigue resistance, its goods bent 106 times and do not damage at normal temperatures.Polypropylene has good thermotolerance, and goods temperature to carry out disinfection sterilizing more than 100 DEG C, and not by under the condition of external force, 150 DEG C also indeformable.Embrittlement temperature is-35 DEG C, embrittlement can occur lower than-35 DEG C, and polyacrylic chemical stability is fine, outside decapacitation is corroded by the vitriol oil, concentrated nitric acid, all more stable to other various chemical reagent; But low-molecular-weight aliphatic hydrocarbon, aromatic hydrocarbon and chlorinated hydrocarbon etc. can make polypropylene softening and swelling, its chemical stability also increases with the increase of degree of crystallinity simultaneously, so polypropylene is applicable to making various chemical pipeline and accessory, anticorrosion ability is good.Polypropylene is very sensitive to ultraviolet, adds zinc oxide, Tyox B, carbon black or similar milky white filler etc. and can improve its ageing-resistant performance.At present mostly there is the control of shrinking percentage for the material of collision bumper bad, PASS is low, and material weathering resistance is poor, poor toughness shock resistance is undesirable, and elongation at break is little of the problem such as heat-drawn wire is low.Chinese invention patent application CN1566196A discloses a kind of polypropylene composite materials, it is made up of the component of following weight part: Co-polypropylene pellet 25-60, thermoplastic elastomer 5-20, high density polyethylene(HDPE) 0-20, mineral filler 0-40, polar macromolecule material 0-10, thermal oxidation resistance agent 0.1-0.6, coupling agent 0.1-0.3, photostabilizer 0.1-0.3, it has extremely strong sticking power, but the volume change of material is comparatively large, and shock resistance is poor; And mobility time shaping is poor, complicated process of preparation.Chinese invention patent CN1235989A discloses a kind of modified poly propylene composition of paintable, said composition comprises 100 parts of polypropylene, 10 ~ 50 parts of rubber-type toughner, 5 ~ 15 parts of oligopolymer, 5 ~ 20 parts of graft modification polypropylenes, 1 ~ 15 part of inorganic filler, it is by above-mentioned various material Homogeneous phase mixing in proportion, under processing temperature 180 ~ 220 DEG C of conditions, extruding pelletization or Banbury mixer granulation after melt blending and obtain; Composition its shock strength obtained with aforesaid method is up to 629.6J/m, and when as when preparing the material of bumper, its impact strength is high not enough, can not absorb more impact energy, thus reduces the safety performance of automobile.
Summary of the invention
In view of this, the object of the present invention is to provide the bumper that a kind of high impact-resistant is ageing-resistant, there is low-shrinkage, high flowing, weathering resistance and paint functional, there is high tenacity, high strength, elongation at break is high and heat-drawn wire is high feature simultaneously, during automobile generation slight impact, collision bumper also there will not be fracture phenomena, compared to existing bumper material, modulus in flexure, tensile strength, hardness and melt flow rate (MFR) are all improved largely, in addition, low-temperature impact resistance, chemical-resistant are also significantly increased.
The bumper that high impact-resistant of the present invention is ageing-resistant, described bumper material comprises following component by weight: 35-55 part polypropylene, 2-10 part Trichloroethyl Phosphate, 5-15 part thermoplastic polyurethane, 3-10 part resol, 4-12 part thermosetting acrylic resin, 3-11 part ethylene-propylene rubber(EPR), 3-11 part polyethylene, 4-10 part shear thickening liquid, 10-16 part polyisophthaloyl metaphenylene diamide fibre, 1-6 part static inhibitor, 1-4 part oxidation inhibitor, 4-10 part dispersion agent, 1-5 part softening agent, 1-4 part 4-benzoyloxy-2, 2, 6, 6-tetramethyl piperidine, 1-4 part 2-(2 '-hydroxyl-3 ', 5 '-two tertiary phenyl)-5-chlorination benzotriazole,
Further, described bumper material comprises following component by weight: 45 parts of polypropylene, 8 parts of Trichloroethyl Phosphates, 10 parts of thermoplastic polyurethanes, 7 parts of resol, 8 parts of thermosetting acrylic resins, 6 parts of ethylene-propylene rubber(EPR), 6 parts of polyethylene, 7 parts of shear thickening liquid, 14 parts of polyisophthaloyl metaphenylene diamide fibres, 3 parts of static inhibitor, 3 parts of oxidation inhibitor, 6 parts of dispersion agents, 3 parts of softening agent, 2 parts of 4-benzoyloxys-2,2,6,6-tetramethyl piperidine, 2 parts of 2-(2 '-hydroxyl-3 ', 5 '-two tertiary phenyl)-5-chlorination benzotriazole;
Further, described static inhibitor is one or more mixtures in ethoxylated alkylamine, ethoxylated alkyl acid amide;
Further, described oxidation inhibitor is one or more mixtures and four [β-(3 in the two lauryl of thio-2 acid, Tyox B, thio-2 acid lauryl alcohol ester, the two dodecane ester of thio-2 acid, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, one or both mixture in β-positive octadecanol ester of (3,5-di-tert-butyl-hydroxy phenyl) propionic acid;
Further, described softening agent is one or more mixtures in dibutyl phthalate, phthalic acid two (2-ethyl hexyl) ester, diisononyl phthalate, di-sec-octyl phthalate;
Further, described dispersion agent is one or more the mixture in ethylene bis stearamide, cetyl trimethylammonium bromide, γ-aminopropyl triethoxysilane.
Beneficial effect of the present invention: the bumper that high impact-resistant of the present invention is ageing-resistant, there is low-shrinkage, high flowing, weathering resistance and paint functional, there is high tenacity, high strength, elongation at break is high and heat-drawn wire is high feature simultaneously, during automobile generation slight impact, collision bumper also there will not be fracture phenomena, compared to existing bumper material, modulus in flexure, tensile strength, hardness and melt flow rate (MFR) are all improved largely, in addition, low-temperature impact resistance, chemical-resistant are also significantly increased.
Embodiment
The bumper that the high impact-resistant of the present embodiment is ageing-resistant, described bumper material comprises following component by weight: 35-55 part polypropylene, 2-10 part Trichloroethyl Phosphate, 5-15 part thermoplastic polyurethane, 3-10 part resol, 4-12 part thermosetting acrylic resin, 3-11 part ethylene-propylene rubber(EPR), 3-11 part polyethylene, 4-10 part shear thickening liquid, 10-16 part polyisophthaloyl metaphenylene diamide fibre, 1-6 part static inhibitor, 1-4 part oxidation inhibitor, 4-10 part dispersion agent, 1-5 part softening agent, 1-4 part 4-benzoyloxy-2, 2, 6, 6-tetramethyl piperidine, 1-4 part 2-(2 '-hydroxyl-3 ', 5 '-two tertiary phenyl)-5-chlorination benzotriazole, significant synergistic effect assisted by UV light absorber 4-benzoyloxy-2,2,6,6-tetramethyl piperidine, 2-(2 '-hydroxyl-3 ', 5 '-two tertiary phenyl)-5-chlorination benzotriazole and oxidation inhibitor.
In the present embodiment, described bumper material comprises following component by weight: 45 parts of polypropylene, 8 parts of Trichloroethyl Phosphates, 10 parts of thermoplastic polyurethanes, 7 parts of resol, 8 parts of thermosetting acrylic resins, 6 parts of ethylene-propylene rubber(EPR), 6 parts of polyethylene, 7 parts of shear thickening liquid, 14 parts of polyisophthaloyl metaphenylene diamide fibres, 3 parts of static inhibitor, 3 parts of oxidation inhibitor, 6 parts of dispersion agents, 3 parts of softening agent, 2 parts of 4-benzoyloxys-2,2,6,6-tetramethyl piperidine, 2 parts of 2-(2 '-hydroxyl-3 ', 5 '-two tertiary phenyl)-5-chlorination benzotriazole.
In the present embodiment, described static inhibitor is one or more mixtures in ethoxylated alkylamine, ethoxylated alkyl acid amide; Ethoxylated alkyl acid amide amine as cruel in oxyethyl group bay, monostearin (GMS) etc.
In the present embodiment, described oxidation inhibitor is one or more mixtures and four [β-(3 in the two lauryl of thio-2 acid, Tyox B, thio-2 acid lauryl alcohol ester, the two dodecane ester of thio-2 acid, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, one or both mixture in β-positive octadecanol ester of (3,5-di-tert-butyl-hydroxy phenyl) propionic acid; One or more mixtures and four [β-(3 in the two lauryl of thio-2 acid, Tyox B, thio-2 acid lauryl alcohol ester, the two dodecane ester of thio-2 acid, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, β-(3,5-di-tert-butyl-hydroxy phenyl) one or both in the positive octadecanol ester of propionic acid produce the effect of synergys, make the antioxidant effect of material better, with the weathering resistance of strongthener and ageing resistance.
In the present embodiment, described softening agent is one or more mixtures in dibutyl phthalate, phthalic acid two (2-ethyl hexyl) ester, diisononyl phthalate, di-sec-octyl phthalate.
In the present embodiment, described dispersion agent is one or more the mixture in ethylene bis stearamide, cetyl trimethylammonium bromide, γ-aminopropyl triethoxysilane.
Below by specific embodiment, the present invention is further elaborated.
Embodiment one
The bumper that high impact-resistant is ageing-resistant, it is characterized in that: described bumper material comprises following component by weight: 45 parts of polypropylene, 8 parts of Trichloroethyl Phosphates, 10 parts of thermoplastic polyurethanes, 7 parts of resol, 8 parts of thermosetting acrylic resins, 6 parts of ethylene-propylene rubber(EPR), 6 parts of polyethylene, 7 parts of shear thickening liquid, 14 parts of polyisophthaloyl metaphenylene diamide fibres, 3 parts of static inhibitor, 3 parts of oxidation inhibitor, 6 parts of dispersion agents, 3 parts of softening agent, 2 parts of 4-benzoyloxys-2, 2, 6, 6-tetramethyl piperidine, 2 parts of 2-(2 '-hydroxyl-3 ', 5 '-two tertiary phenyl)-5-chlorination benzotriazole.
In the present embodiment, described static inhibitor is the cruel amine of oxyethyl group bay.
In the present embodiment, described oxidation inhibitor is two lauryl and four [β-(3 of thio-2 acid, 5-di-tert-butyl-hydroxy phenyl) propionic acid] mixture of pentaerythritol ester, in the present embodiment, by equivalent weight part, two for thio-2 acid lauryl is replaced with Tyox B, thio-2 acid lauryl alcohol ester, one in the two dodecane ester of thio-2 acid, or replace with the two lauryl of thio-2 acid according to equivalent weight part and replace with Tyox B with thio-2 acid pair lauryl, thio-2 acid lauryl alcohol ester, the two dodecane ester four of thio-2 acid, [β-(3, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester is or/and β-(3, 5-di-tert-butyl-hydroxy phenyl) mixture in the positive octadecanol ester of propionic acid, products obtained therefrom character there is no significant difference.
In the present embodiment, described softening agent is phthalic acid two (2-ethyl hexyl) ester, in the present embodiment, phthalic acid two (2-ethyl hexyl) ester is replaced with the one in dibutyl phthalate, diisononyl phthalate, di-sec-octyl phthalate according to equivalent weight part, or the mixture of phthalic acid two (2-ethyl hexyl) ester and dibutyl phthalate, diisononyl phthalate, di-sec-octyl phthalate is replaced with by equivalent weight part, products obtained therefrom character there is no significant difference.
In the present embodiment, described dispersion agent is cetyl trimethylammonium bromide, in the present embodiment, by the one that cetyl trimethylammonium bromide replaces with in ethylene bis stearamide, γ-aminopropyl triethoxysilane according to equivalent weight part, or replacing with the mixture from ethylene bis stearamide and cetyl trimethylammonium bromide, γ-aminopropyl triethoxysilane according to equivalent weight part, products obtained therefrom character there is no significant difference.
Embodiment two
The bumper that high impact-resistant is ageing-resistant, described bumper material comprises following component by weight: 35 parts of polypropylene, 2 parts of Trichloroethyl Phosphates, 5 parts of thermoplastic polyurethanes, 3 parts of resol, 4 parts of thermosetting acrylic resins, 3 parts of ethylene-propylene rubber(EPR), 3 parts of polyethylene, 4 parts of shear thickening liquid, 10 parts of polyisophthaloyl metaphenylene diamide fibres, 1 part of static inhibitor, 1 part of oxidation inhibitor, 4 parts of dispersion agents, 1 part of softening agent, 1 part of 4-benzoyloxy-2, 2, 6, 6-tetramethyl piperidine, 1 part of 2-(2 '-hydroxyl-3 ', 5 '-two tertiary phenyl)-5-chlorination benzotriazole.
In the present embodiment, described static inhibitor is monostearin (GMS).
In the present embodiment, described oxidation inhibitor is Tyox B and four [β-(3, 5-di-tert-butyl-hydroxy phenyl) propionic acid] mixture of pentaerythritol ester, in the present embodiment, by equivalent weight part, Tyox B is replaced with the two lauryl of thio-2 acid, thio-2 acid lauryl alcohol ester, one in the two dodecane ester of thio-2 acid, or replace with the two lauryl of thio-2 acid according to equivalent weight part and replace with Tyox B, thio-2 acid lauryl alcohol ester, the two dodecane ester of thio-2 acid, four [β-(3, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester is or/and β-(3, 5-di-tert-butyl-hydroxy phenyl) mixture in the positive octadecanol ester of propionic acid, products obtained therefrom character there is no significant difference.
In the present embodiment, described softening agent is dibutyl phthalate, in the present embodiment, dibutyl phthalate is replaced with the one in phthalic acid two (2-ethyl hexyl) ester, diisononyl phthalate, di-sec-octyl phthalate according to equivalent weight part, or the mixture of dibutyl phthalate and phthalic acid two (2-ethyl hexyl) ester, diisononyl phthalate, di-sec-octyl phthalate is replaced with by equivalent weight part, products obtained therefrom character there is no significant difference.
In the present embodiment, described dispersion agent is from ethylene bis stearamide, in the present embodiment, by the one replaced with according to equivalent weight part from ethylene bis stearamide in cetyl trimethylammonium bromide, γ-aminopropyl triethoxysilane, or replacing with the mixture from ethylene bis stearamide and cetyl trimethylammonium bromide, γ-aminopropyl triethoxysilane according to equivalent weight part, products obtained therefrom character there is no significant difference.
Embodiment three
The bumper that high impact-resistant is ageing-resistant, described bumper material comprises following component by weight: 55 parts of polypropylene, 10 parts of Trichloroethyl Phosphates, 15 parts of thermoplastic polyurethanes, 10 parts of resol, 12 parts of thermosetting acrylic resins, 11 parts of ethylene-propylene rubber(EPR), 11 parts of polyethylene, 10 parts of shear thickening liquid, 16 parts of polyisophthaloyl metaphenylene diamide fibres, 6 parts of static inhibitor, 4 parts of oxidation inhibitor, 10 parts of dispersion agents, 5 parts of softening agent, 4 parts of 4-benzoyloxys-2, 2, 6, 6-tetramethyl piperidine, 4 parts of 2-(2 '-hydroxyl-3 ', 5 '-two tertiary phenyl)-5-chlorination benzotriazole.
In the present embodiment, described static inhibitor is ethoxylated alkylamine.
In the present embodiment, described oxidation inhibitor is two dodecane ester and four [β-(3 of thio-2 acid, 5-di-tert-butyl-hydroxy phenyl) propionic acid] mixture of pentaerythritol ester, in the present embodiment, by equivalent weight part, two for thio-2 acid dodecane ester is replaced with Tyox B, the two lauryl of thio-2 acid, one in thio-2 acid lauryl alcohol ester, or replace with the two lauryl of thio-2 acid according to equivalent weight part and replace with Tyox B with thio-2 acid pair lauryl, thio-2 acid lauryl alcohol ester, the two dodecane ester of thio-2 acid, four [β-(3, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester is or/and β-(3, 5-di-tert-butyl-hydroxy phenyl) mixture in the positive octadecanol ester of propionic acid, products obtained therefrom character there is no significant difference.
In the present embodiment, described softening agent is diisononyl phthalate, in the present embodiment, diisononyl phthalate is replaced with the one in phthalic acid two (2-ethyl hexyl) ester, dibutyl phthalate, di-sec-octyl phthalate according to equivalent weight part, or the mixture of diisononyl phthalate and phthalic acid two (2-ethyl hexyl) ester, dibutyl phthalate, di-sec-octyl phthalate is replaced with by equivalent weight part, products obtained therefrom character there is no significant difference.
In the present embodiment, described dispersion agent is γ-aminopropyl triethoxysilane, in the present embodiment, γ-aminopropyl triethoxysilane is replaced with cetyl trimethylammonium bromide, one in ethylene bis stearamide according to equivalent weight part, or replacing with γ-aminopropyl triethoxysilane and cetyl trimethylammonium bromide, mixture from ethylene bis stearamide according to equivalent weight part, products obtained therefrom character there is no significant difference.
Embodiment four
The bumper that high impact-resistant is ageing-resistant, described bumper material comprises following component by weight: 35 parts of polypropylene, 10 parts of Trichloroethyl Phosphates, 5 parts of thermoplastic polyurethanes, 10 parts of resol, 4 parts of thermosetting acrylic resins, 11 parts of ethylene-propylene rubber(EPR), 3 parts of polyethylene, 10 parts of shear thickening liquid, 10 parts of polyisophthaloyl metaphenylene diamide fibres, 6 parts of static inhibitor, 1 part of oxidation inhibitor, 10 parts of dispersion agents, 1 part of softening agent, 4 parts of 4-benzoyloxys-2, 2, 6, 6-tetramethyl piperidine, 1 part of 2-(2 '-hydroxyl-3 ', 5 '-two tertiary phenyl)-5-chlorination benzotriazole.
In the present embodiment, described static inhibitor is ethoxylated alkyl acid amide.
In the present embodiment, described oxidation inhibitor is the two lauryl of thio-2 acid and β-(3, 5-di-tert-butyl-hydroxy phenyl) mixture of the positive octadecanol ester of propionic acid, in the present embodiment, by equivalent weight part, two for thio-2 acid lauryl is replaced with Tyox B, thio-2 acid lauryl alcohol ester, one in the two dodecane ester of thio-2 acid, or replace with the two lauryl of thio-2 acid according to equivalent weight part and replace with Tyox B with thio-2 acid pair lauryl, thio-2 acid lauryl alcohol ester, the two dodecane ester of thio-2 acid, four [β-(3, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester is or/and β-(3, 5-di-tert-butyl-hydroxy phenyl) mixture in the positive octadecanol ester of propionic acid, products obtained therefrom character there is no significant difference.
In the present embodiment, described softening agent is di-sec-octyl phthalate, in the present embodiment, di-sec-octyl phthalate is replaced with the one in phthalic acid two (2-ethyl hexyl) ester, diisononyl phthalate, dibutyl phthalate according to equivalent weight part, or the mixture of di-sec-octyl phthalate and phthalic acid two (2-ethyl hexyl) ester, diisononyl phthalate, dibutyl phthalate is replaced with by equivalent weight part, products obtained therefrom character there is no significant difference.
In the present embodiment, described dispersion agent is from ethylene bis stearamide, in the present embodiment, by the one replaced with according to equivalent weight part from ethylene bis stearamide in cetyl trimethylammonium bromide, γ-aminopropyl triethoxysilane, or replacing with the mixture from ethylene bis stearamide and cetyl trimethylammonium bromide, γ-aminopropyl triethoxysilane according to equivalent weight part, products obtained therefrom character there is no significant difference.
Embodiment five
The bumper that high impact-resistant is ageing-resistant, described bumper material comprises following component by weight: 55 parts of polypropylene, 2 parts of Trichloroethyl Phosphates, 15 parts of thermoplastic polyurethanes, 3 parts of resol, 12 parts of thermosetting acrylic resins, 3 parts of ethylene-propylene rubber(EPR), 11 parts of polyethylene, 4 parts of shear thickening liquid, 16 parts of polyisophthaloyl metaphenylene diamide fibres, 1 part of static inhibitor, 4 parts of oxidation inhibitor, 4 parts of dispersion agents, 5 parts of softening agent, 1 part of 4-benzoyloxy-2, 2, 6, 6-tetramethyl piperidine, 1-4 part 2-(2 '-hydroxyl-3 ', 5 '-two tertiary phenyl)-5-chlorination benzotriazole.
In the present embodiment, described static inhibitor is the mixture in ethoxylated alkylamine and ethoxylated alkyl acid amide.
In the present embodiment, described oxidation inhibitor is Tyox B and β-(3, 5-di-tert-butyl-hydroxy phenyl) mixture of the positive octadecanol ester of propionic acid, in the present embodiment, by equivalent weight part, Tyox B is replaced with the two lauryl of thio-2 acid, thio-2 acid lauryl alcohol ester, one in the two dodecane ester of thio-2 acid, or according to equivalent weight part, Tyox B is replaced with the two lauryl of thio-2 acid, thio-2 acid lauryl alcohol ester, the two dodecane ester of thio-2 acid, four [β-(3, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester is or/and β-(3, 5-di-tert-butyl-hydroxy phenyl) mixture in the positive octadecanol ester of propionic acid, products obtained therefrom character there is no significant difference.
In the present embodiment, described softening agent is dibutyl phthalate, in the present embodiment, dibutyl phthalate is replaced with the one in phthalic acid two (2-ethyl hexyl) ester, diisononyl phthalate, di-sec-octyl phthalate according to equivalent weight part, or the mixture of dibutyl phthalate and phthalic acid two (2-ethyl hexyl) ester, diisononyl phthalate, di-sec-octyl phthalate is replaced with by equivalent weight part, products obtained therefrom character there is no significant difference.
In the present embodiment, described dispersion agent is from ethylene bis stearamide, in the present embodiment, by the one replaced with according to equivalent weight part from ethylene bis stearamide in cetyl trimethylammonium bromide, γ-aminopropyl triethoxysilane, or replacing with the mixture from ethylene bis stearamide and cetyl trimethylammonium bromide, γ-aminopropyl triethoxysilane according to equivalent weight part, products obtained therefrom character there is no significant difference.
Embodiment six
The bumper that high impact-resistant is ageing-resistant, described bumper material comprises following component by weight: 38 parts of polypropylene, 4 parts of Trichloroethyl Phosphates, 13 parts of thermoplastic polyurethanes, 5 parts of resol, 6 parts of thermosetting acrylic resins, 9 parts of ethylene-propylene rubber(EPR), 9 parts of polyethylene, 5 parts of shear thickening liquid, 12 parts of polyisophthaloyl metaphenylene diamide fibres, 5 parts of static inhibitor, 2 parts of oxidation inhibitor, 8 parts of dispersion agents, 4 parts of softening agent, 2 parts of 4-benzoyloxys-2, 2, 6, 6-tetramethyl piperidine, 2 parts of 2-(2 '-hydroxyl-3 ', 5 '-two tertiary phenyl)-5-chlorination benzotriazole.
In the present embodiment, described static inhibitor is the mixture of the cruel amine of oxyethyl group bay, monostearin (GMS)
In the present embodiment, described oxidation inhibitor is thio-2 acid lauryl alcohol ester and β-(3, 5-di-tert-butyl-hydroxy phenyl) mixture of the positive octadecanol ester of propionic acid, in the present embodiment, by equivalent weight part, thio-2 acid lauryl alcohol ester is replaced with Tyox B, the two lauryl of thio-2 acid, one in the two dodecane ester of thio-2 acid, or replace with the two dodecane ester of thio-2 acid according to equivalent weight part, thio-2 acid lauryl alcohol ester, Tyox B, four [β-(3, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester is or/and β-(3, 5-di-tert-butyl-hydroxy phenyl) mixture in the positive octadecanol ester of propionic acid, products obtained therefrom character there is no significant difference.
In the present embodiment, described softening agent is dibutyl phthalate, in the present embodiment, dibutyl phthalate is replaced with the one in phthalic acid two (2-ethyl hexyl) ester, diisononyl phthalate, di-sec-octyl phthalate according to equivalent weight part, or the mixture of dibutyl phthalate and phthalic acid two (2-ethyl hexyl) ester, diisononyl phthalate, di-sec-octyl phthalate is replaced with by equivalent weight part, products obtained therefrom character there is no significant difference.
In the present embodiment, described dispersion agent is from ethylene bis stearamide, in the present embodiment, by the one replaced with according to equivalent weight part from ethylene bis stearamide in cetyl trimethylammonium bromide, γ-aminopropyl triethoxysilane, or replacing with the mixture from ethylene bis stearamide and cetyl trimethylammonium bromide, γ-aminopropyl triethoxysilane according to equivalent weight part, products obtained therefrom character there is no significant difference.
Performance test: test the performance of the embodiment of the present invention 1 ~ 6 product, test result sees the following form:
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (6)
1. the bumper that a high impact-resistant is ageing-resistant, it is characterized in that: described bumper material comprises following component by weight: 35-55 part polypropylene, 2-10 part Trichloroethyl Phosphate, 5-15 part thermoplastic polyurethane, 3-10 part resol, 4-12 part thermosetting acrylic resin, 3-11 part ethylene-propylene rubber(EPR), 3-11 part polyethylene, 4-10 part shear thickening liquid, 10-16 part polyisophthaloyl metaphenylene diamide fibre, 1-6 part static inhibitor, 1-4 part oxidation inhibitor, 4-10 part dispersion agent, 1-5 part softening agent, 1-4 part 4-benzoyloxy-2, 2, 6, 6-tetramethyl piperidine, 1-4 part 2-(2 '-hydroxyl-3 ', 5 '-two tertiary phenyl)-5-chlorination benzotriazole.
2. the bumper that high impact-resistant according to claim 1 is ageing-resistant, it is characterized in that: described bumper material comprises following component by weight: 45 parts of polypropylene, 8 parts of Trichloroethyl Phosphates, 10 parts of thermoplastic polyurethanes, 7 parts of resol, 8 parts of thermosetting acrylic resins, 6 parts of ethylene-propylene rubber(EPR), 6 parts of polyethylene, 7 parts of shear thickening liquid, 14 parts of polyisophthaloyl metaphenylene diamide fibres, 3 parts of static inhibitor, 3 parts of oxidation inhibitor, 6 parts of dispersion agents, 3 parts of softening agent, 2 parts of 4-benzoyloxys-2, 2, 6, 6-tetramethyl piperidine, 2 parts of 2-(2 '-hydroxyl-3 ', 5 '-two tertiary phenyl)-5-chlorination benzotriazole.
3. the bumper that high impact-resistant according to claim 2 is ageing-resistant, is characterized in that: described static inhibitor is one or more mixtures in ethoxylated alkylamine, ethoxylated alkyl acid amide.
4. the bumper that high impact-resistant according to claim 3 is ageing-resistant, it is characterized in that: described oxidation inhibitor is one or more mixtures and four [β-(3 in the two lauryl of thio-2 acid, Tyox B, thio-2 acid lauryl alcohol ester, the two dodecane ester of thio-2 acid, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, one or both mixture in β-positive octadecanol ester of (3,5-di-tert-butyl-hydroxy phenyl) propionic acid.
5. the bumper that high impact-resistant according to claim 4 is ageing-resistant, is characterized in that: described softening agent is one or more mixtures in dibutyl phthalate, phthalic acid two (2-ethyl hexyl) ester, diisononyl phthalate, di-sec-octyl phthalate.
6. the bumper that high impact-resistant according to claim 5 is ageing-resistant, is characterized in that: described dispersion agent is one or more the mixture in ethylene bis stearamide, cetyl trimethylammonium bromide, γ-aminopropyl triethoxysilane.
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| CN111114076A (en) * | 2019-12-31 | 2020-05-08 | 江苏天时新材料科技有限公司 | Glazing automobile protection film with strong electrical insulation property |
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