CN102660093B - Special material for polyvinyl chloride (PVC) protection railing of highway and production method thereof - Google Patents
Special material for polyvinyl chloride (PVC) protection railing of highway and production method thereof Download PDFInfo
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- CN102660093B CN102660093B CN201210157386.8A CN201210157386A CN102660093B CN 102660093 B CN102660093 B CN 102660093B CN 201210157386 A CN201210157386 A CN 201210157386A CN 102660093 B CN102660093 B CN 102660093B
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Abstract
The invention relates to a special material for polyvinyl chloride (PVC) protection railing of a highway and a preparation method thereof. The preparation method is characterized in that glass fiber is adopted to be compounded with substrate resin PVC, the surface of the glass fiber is processed with coupling agent, the glass fiber is chopped into segments of 2 to 4mm, the subsrate resin PVC is modified through a modifier, a coupling agent olefinic bond which is connected onto the glass fiber is grafted and cross-linked with the substrate resin PVC to be mixed into a composite material, and then the composite material is granulated to produce the special material for the protection railing of the highway.
Description
Technical field
The present invention relates to material that a kind of highway uses and preparation method thereof, refer in particular to a kind of PVC modification proprietary material of blocking and preparation method thereof that protects for motorway, belong to novel material and make field.
Background technology
The multiplex steel of guard rail that motorway uses are at present made.But steel guardrail is from great, installation, maintenance, to safeguard inconveniently, corrosion-resistant, is subject to the Eroded of vehicle exhaust.Identification capability is not good.Impact resistance ability also has much room for improvement.Due to the progress of plastics science and technology, the raising of plastics performance, plastics and matrix material thereof enter motorway protection and block, and are the trend of inevitable development, and it is a lot of that motorway adopts plastic protection to block advantage, can overcome many shortcomings of steel-guardrail.But resin is without improvement, without compound, and the guard rail processing is difficult to satisfy the demand, and protecting as motorway the plastics that block has some reports.Find that there is some pertinent literature reports through domestic patent retrieval, mainly contain the following patent:
1, number of patent application CN94110275.0, name is called the patent of invention of " glass fiber reinforced plastic express highway rail ", this patent discloses a kind of glass fiber reinforced plastic express highway rail, comprise more than 2 breast board, more than 3 breast board pillar, is characterized in that described breast board is glass reinforced plastic plane breast board, or glass reinforced plastic abnormity breast board, the termination lapping of 2 glass reinforced plastic planes or special-shaped breast board, and fixed with bolt, and then be fixed on breast board pillar by bolt.
2, number of patent application CN96119860.5, name is called the patent of invention of " rubber and plastic cap for guard fence upright of expressway ", this patent discloses a kind of rubber and plastic cap for guard fence upright of expressway that is exclusively used in that replaces metal and plastic production with rubber and compound, its formula main raw material is rubber, auxiliary material is rubber reinforcing filler, anti-aging agent, vulcanizing agent, rubber accelerator, vulcanization of rubber promoting agent, rubber plastizing agent, this cap cost compared with metal cap reduces greatly, cap helmet outside is for there being chamfering, install easily, be difficult to again extract, effectively prevent from destroying and theft, product is ageing-resistant, long service life, and its aging coefficient is 0.85, and temperature limit of brittleness is-35 DEG C, and hardness is 60-80, and breaking tenacity is 50-110 kilograms per centimeter.
3, number of patent application CN97114256.4, name is called the patent of invention of " application of high-strength high-elasticity urethane foam on road prevention blocks ", and this patent discloses the application on road prevention of a kind of high strength, high-elastic polyurethane foam plastic.It is that high strength, elastomeric urethane foam are made to protection body, and protection body is arranged to any position that need to carry out road traffic protection.Described protection body comprises protection post, protective grating, protective wall etc., and protection body is by burying method underground, and ornaments method or fastening piece fixation method arrange.
4, number of patent application CN94110347.1, name is called the patent of invention of " high strength glass fiber reinforced plastic express highway guard rail ", this patent discloses a kind of high strength glass fiber reinforced plastic express highway rail, relate to more than 2 breast board, more than 2 support connecting plate, after 2 breast board termination docking, be fixed by bolts to and on support connecting plate, realize the connection between breast board, it is characterized in that described breast board is made up of glass reinforced plastic body and metal reinforcing, metal reinforcing is arranged in glass reinforced plastic body, and is an entirety.
5, a kind of ultrahigh molecular weight polyethylene(UHMWPE) highway of number of patent application CN200510117288.1 ultrahigh molecular weight polyethylene(UHMWPE) highway barrier material and manufacture method thereof protects and blocks material and manufacture method thereof, it is characterized in that this protects blocks material and basic composition is more than 500,000 ultrahigh molecular weight polyethylene(UHMWPE) of weight-average molecular weight, the endwise tensile strength 80-280MPa of goods, elongation at break 45-450%; The manufacture method of this guardrail material mainly comprises the steps: (1) pre-swelling treatment, ultrahigh molecular weight polyethylene(UHMWPE) UHMWPE powder 15-50 weight part and room temperature is insoluble, high-temperature digestion is good auxiliary material latent solvent 50-85 weight part are incubated to pre-swelling treatment 2-48 hour at 50-120 DEG C and form Preblend, and add other auxiliary materials: fire retardant, oxidation inhibitor, photostabilizer, weighting agent, tinting material, polyolefine and multipolymer thereof, thermoplastic elastomer; (2) dissolve mixing, by sufficient above-mentioned pre-swelling treatment UHMWPE Preblend through volume pump be delivered into quantitatively, continuously that parallel equidirectional two-screw forcing machine further heats, the improving uniformity of melt shape mixture of dissolving, mixing one-tenth 160-220 DEG C; (3) extrusion moulding, the strengthening that stretches, send above-mentioned high temperature improving uniformity of melt shape mixture to molding die and subsidiary engine group continuously, strengthens, is cooled to the guardrail material of desired shape through melt stretching, crystallisation by cooling, solid substance stretching.
6, the matrix material obstruction block of the matrix material obstruction block highway guard plate of number of patent application CN200520033439.0 highway guard plate, it is characterized in that: the ring bodies 1 that it is plastics composite moulding, on ring bodies, there are corresponding two joint faces 2,3, on joint face, there is bolt connecting hole.The technique effect that the present invention produces due to described structure is apparent, due to obstruction block rigid plastics matrix material, exposes to the sun and rain and can not get rusty, not corrode; Impact resistance power is strong, indeformable; Shock to vehicle has elasticity, damages little.
The another PVC guardrail of reporting in addition buildings in general, modified PVC blocks grid etc.But above-mentioned these patent documentations all do not have effective proposition how to improve formula and the structure of material, can adapt to the strict demand with material that motorway protection is blocked completely, therefore in use still appear at a lot of problems of the aspects such as weathering resistance, erosion resistance, chemical resistant properties, work-ing life, processibility, be badly in need of carrying out corresponding improvement.
Summary of the invention
Goal of the invention of the present invention be block for motorway protection have strict requirement with material, mechanical mechanics property need reach specific data, particularly shock resistance requires very high, in weathering resistance, erosion resistance, chemical resistant properties, work-ing life, processibility, good condition is all wanted in the aspects such as maintenance and asepsis environment-protecting, proposes use material of a kind of express highway guard rail and preparation method thereof.
The technology implementation scheme that goal of the invention according to the present invention proposes is: a kind of motorway protects proprietary material blocking and preparation method thereof, adopt glass fibre and matrix resin polyvinyl chloride (PVC) compound, and by fiberglass surfacing coupling agent treatment the short 2-4mm that is cut to, simultaneously by properties-correcting agent to matrix resin polyvinyl chloride (PVC) modification, the coupling agent ethylene linkage and the matrix resin polyvinyl chloride (PVC) that make to be connected on glass fibre carry out graft crosslinking again, mixing one-tenth matrix material, carry out granulation according to ordinary method again, make motorway and protect the proprietary material blocking.
Described fiberglass surfacing coupling agent treatment is to adopt containing the silane coupling agent of ethylene linkage to be connected with glass fibre; First initiator dicapryl phthalate (DCP) is dissolved in and in the silane coupling agent containing ethylene linkage, forms surperficial coupling agent according to the part by weight of 0.5-1:100, with surperficial coupling agent, glass fibre is carried out to surface treatment again, make surperficial coupling agent contain and link with the hydroxyl contracting of fiberglass surfacing;
Described coupling agent is vinyltrimethoxy silane (A-117) or vinyl long-chain Ethoxysilane;
To matrix resin polyvinyl chloride (PVC), modification is to use impact modifying agent to matrix resin polyvinyl chloride (PVC) modification to described properties-correcting agent;
Described use impact modifying agent to matrix resin polyvinyl chloride (PVC) modification be adopt be that two kinds of complementary impact modifiers are to matrix resin polyvinyl chloride (PVC) modification; To adopt a properties-correcting agent with nucleocapsid structure, series modified dose of esters of acrylic acid of application (ACR).The core of esters of acrylic acid series modified dose (ACR) is elastic acrylics crosslinked, shell is methyl methacrylate---Ethyl acrylate (MMA---EA) multipolymer, it is compatible with matrix resin polyvinyl chloride (PVC), processing characteristics is improved, series modified dose of (ACR) tool island structure form in matrix resin polyvinyl chloride (PVC) of esters of acrylic acid.The energy of the elastic part impact-absorbing of esters of acrylic acid series modified dose (ACR) is strong, makes matrix resin polyvinyl chloride (PVC) impact modification obvious.It makes product surface bright and clean in addition, improves the weathering resistance of plastics, ageing resistance.In the time of low temperature, there is high shock strength.Another kind of anti-impact agent is chlorinatedpolyethylene (CPE, chlorinity 35% left and right), chlorinatedpolyethylene (CPE) is mixed in work with matrix resin polyvinyl chloride (PVC) is molten, is formed with the two phase structure of good combination power on microcosmic, chlorinatedpolyethylene (CPE) is netted form, has the effect of anti-impact net.By the acting in conjunction of these two kinds of impact modifying agents, just as twice erosion control obstacle, can significantly improve the shock strength of goods.
Coupling agent ethylene linkage on described glass fibre and matrix resin polyvinyl chloride (PVC) carry out graft crosslinking and are undertaken by two aspects; The one, by hot effect, be in the environment of 170-190 DEG C by being positioned over temperature with matrix resin polyvinyl chloride (PVC) on glass fibre, through 5-10 minute, carry out graft crosslinking; The 2nd, by the effect of initiator and vulcanization aid; In molten resin, utilize initiator initiation, the ethylene linkage that generates ethylene linkage resin with the matrix resin polyvinyl chloride ethylene linkage causing by the effect of vulcanization aid and pyrolysis is carried out graft crosslinking.Because measure littlely, belong to micro-cross-linked graft.Such processing is closely linked glass fibre and matrix tree, becomes as a whole, and over-all properties is improved greatly.
Described initiator is for reaching oxidation diisopropyl alkene (DCP), and vulcanization accelerator is zinc oxide, magnesium oxide.
The concrete manufacture craft that described motorway protects the proprietary material blocking is as follows:
1, glass fibre is processed: first with containing vinyltrimethoxy silane (A-117) solution of trace (0.5-1:100 weight percent) dicumyl peroxide (DCP), glass fibre being carried out to surface treatment 5-10 minute;
2, again by the glass chopped 2-4mm of being processing, become short glass fiber;
3, short glass fiber is placed in stirrer, adds matrix resin polyvinyl chloride (PVC), esters of acrylic acid series modified dose of (ACR), chlorinatedpolyethylene (CPE) properties-correcting agent and various auxiliary agent of proportional quantity simultaneously, fully stir 5-10 minute;
4, the compound stirring is placed in mixing roll, carry out mixing, 180 DEG C of mixing plasticization temperatures, time 30-45 minute;
5, the grog after mixing is carried out to pulling-on piece and pelletizing, be made into motorway and protect the proprietary material master batch blocking.
Feature of the present invention is:
1, adopted matrix resin polyvinyl chloride (PVC)
PVC is one of plastics the most widely, comparatively speaking, has higher-strength, nonflammable, has good geometrical stability, and chemical, corrosive gases, liquid are had to good resistibility, easy to process, keeps in repair easilier, and shrinking percentage is low.It is in liberal supply simultaneously, and selective model is various, and price is lower, and particularly its production can depend on petroleum, and supply is stable.Based on such advantage, it is matrix resin that the present invention has selected PVC.But the mechanical property of PVC intrinsic and other over-all properties can't meet motorway protects the requirement of blocking, must carry out modification, the processing such as compound.
2, increased toughness reinforcing, impact modifying agent
Improve PVC shock strength, use impact modifying agent.This type of properties-correcting agent has multiple, and what the present invention adopted is two kinds of complementary impact modifiers.A properties-correcting agent with nucleocapsid structure, application ACR.The core of ACR is elastic acrylics crosslinked, and shell is methyl methacrylate---Ethyl acrylate (MMA---EA) multipolymer, and it is compatible with PVC, and processing characteristics is improved, and ACR is tool island structure form in PVC.The energy of the elastic part impact-absorbing of ACR is strong, makes PVC impact modification obvious.It makes product surface bright and clean in addition, improves the weathering resistance of plastics, ageing resistance.In the time of low temperature, there is high shock strength.Another kind of anti-impact agent is that chlorinatedpolyethylene (CPE, chlorinity 35% left and right) CPE melts and mixes in work with PVC, is formed with the two phase structure of good combination power on microcosmic, and CPE is netted form, has the effect of anti-impact net.By the acting in conjunction of these two kinds of impact modifying agents, just as twice erosion control obstacle, can significantly improve the shock strength of goods.
3, adopt GLASS FIBER REINFORCED PVC
Glass filament reinforced plastics tool has great advantage.Improving mechanical property, creep-resistant property with GLASS FIBER REINFORCED PVC, reducing the aspects such as the coefficient of expansion has remarkable effect, and can strengthen weathering resistance, corrosion-resistant aggressiveness.Reaching ideal effect also puts to death in the surface treatment of glass fibre and the connectivity of resin.
4, carried out micro-cross-linked graft processing
Glass fibre is connected with the tight of resin, and the present invention is designed to two-step approach, and the first step adopts containing the silane coupling agent of ethylene linkage and is connected with glass fibre, i.e. the surperficial coupling agent treatment of glass fibre; Second step is that the coupling agent ethylene linkage and the resin that make to be connected on glass fibre carry out graft crosslinking, this crosslinked generation one is by hot effect, the 2nd, by the effect of initiator and vulcanization aid, here coupling agent is vinyltrimethoxy silane (A-117) or vinyl long-chain Ethoxysilane etc., initiator is dicapryl phthalate (DCP), and vulcanization accelerator is zinc oxide, magnesium oxide.First with A-117, DCP, glass fibre is carried out to surface treatment, DCP is dissolved in A-117, and A-117 contains and links with the hydroxyl contracting of fiberglass surfacing; In molten resin, utilize the initiation of ethylene linkage and DPC again, carry out graft crosslinking with the ethylene linkage (oxygenant, magnesium oxide effect cause ethylene linkage and pyrolysis to generate ethylene linkage) of resin.Because measure littlely, belong to micro-cross-linked graft.Such processing is closely linked glass fibre and matrix tree, becomes as a whole, and over-all properties is improved greatly.
5, adopted the auxiliary agent that improves weathering resistance, ageing resistance
This time adopt conventional method to achieve the goal.The present invention has adopted triple measures: appropriate hindered amine as light stabilizer (HALS), and Benzotriazole Ultraviolet Stabilizer, complete red the third type titanium dioxide photomask agent, combines, and this can improve weather-proof, ageing resistance fully and effectively.
6, increased other thermo-stabilizers, tinting material, lubricant, releasing agent etc. and selected routinely, and be all auxiliary agent nontoxic, environmental protection.
Brief description of the drawings
Accompanying drawing 1 is schematic flow sheet of the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described.
Accompanying drawing 1 is fabrication processing figure of the present invention, can find out by accompanying drawing, the present invention is that a kind of motorway protects proprietary material blocking and preparation method thereof, adopt glass fibre and matrix resin polyvinyl chloride (PVC) compound, and by fiberglass surfacing coupling agent treatment the short 2-4mm that is cut to, simultaneously by properties-correcting agent to matrix resin polyvinyl chloride (PVC) modification, the coupling agent ethylene linkage and the matrix resin polyvinyl chloride (PVC) that make to be connected on glass fibre carry out graft crosslinking again, mixing one-tenth matrix material, carry out granulation according to ordinary method again, make motorway and protect the proprietary material blocking.
Described fiberglass surfacing coupling agent treatment is to adopt containing the silane coupling agent of ethylene linkage to be connected with glass fibre; First initiator dicapryl phthalate (DCP) is dissolved in and in the silane coupling agent containing ethylene linkage, forms surperficial coupling agent according to the part by weight of 0.5-1:100, with surperficial coupling agent, glass fibre is carried out to surface treatment again, make surperficial coupling agent contain and link with the hydroxyl contracting of fiberglass surfacing;
Described coupling agent is vinyltrimethoxy silane (A-117) or vinyl long-chain Ethoxysilane;
To matrix resin polyvinyl chloride (PVC), modification is to use impact modifying agent to matrix resin polyvinyl chloride (PVC) modification to described properties-correcting agent;
Described use impact modifying agent to matrix resin polyvinyl chloride (PVC) modification be adopt be that two kinds of complementary impact modifiers are to matrix resin polyvinyl chloride (PVC) modification; To adopt a properties-correcting agent with nucleocapsid structure, series modified dose of esters of acrylic acid of application (ACR).The core of esters of acrylic acid series modified dose (ACR) is elastic acrylics crosslinked, shell is methyl methacrylate---Ethyl acrylate (MMA---EA) multipolymer, it is compatible with matrix resin polyvinyl chloride (PVC), processing characteristics is improved, series modified dose of (ACR) tool island structure form in matrix resin polyvinyl chloride (PVC) of esters of acrylic acid.The energy of the elastic part impact-absorbing of esters of acrylic acid series modified dose (ACR) is strong, makes matrix resin polyvinyl chloride (PVC) impact modification obvious.It makes product surface bright and clean in addition, improves the weathering resistance of plastics, ageing resistance.In the time of low temperature, there is high shock strength.Another kind of anti-impact agent is chlorinatedpolyethylene (CPE, chlorinity 35% left and right), chlorinatedpolyethylene (CPE) is mixed in work with matrix resin polyvinyl chloride (PVC) is molten, is formed with the two phase structure of good combination power on microcosmic, chlorinatedpolyethylene (CPE) is netted form, has the effect of anti-impact net.By the acting in conjunction of these two kinds of impact modifying agents, just as twice erosion control obstacle, can significantly improve the shock strength of goods.
Coupling agent ethylene linkage on described glass fibre and matrix resin polyvinyl chloride (PVC) carry out graft crosslinking and are undertaken by two aspects; The one, by hot effect, be in the environment of 170-190 DEG C by being positioned over temperature with matrix resin polyvinyl chloride (PVC) on glass fibre, through 5-10 minute, carry out graft crosslinking; The 2nd, by the effect of initiator and vulcanization aid; In molten resin, utilize initiator initiation, the ethylene linkage that generates ethylene linkage resin with the matrix resin polyvinyl chloride ethylene linkage causing by the effect of vulcanization aid and pyrolysis is carried out graft crosslinking.Because measure littlely, belong to micro-cross-linked graft.Such processing is closely linked glass fibre and matrix tree, becomes as a whole, and over-all properties is improved greatly.
Described initiator is for reaching oxidation diisopropyl alkene (DCP), and vulcanization accelerator is zinc oxide, magnesium oxide.
Embodiment mono-
A kind of motorway protects proprietary material blocking and preparation method thereof, adopt glass fibre and matrix resin polyvinyl chloride (PVC) compound, and by fiberglass surfacing coupling agent treatment and by properties-correcting agent to matrix resin polyvinyl chloride (PVC) modification after, the coupling agent ethylene linkage and the matrix resin polyvinyl chloride (PVC) that make to be connected on glass fibre carry out graft crosslinking again, mixing one-tenth matrix material, carry out granulation according to ordinary method again, make motorway and protect the proprietary material blocking.Wherein, the formula (mass fraction by weight) that motorway protects the proprietary material blocking at least comprises following material:
100 parts of matrix resin polyvinyl chloride (PVC);
Series modified dose of (ACR) 8-10 part of esters of acrylic acid;
Chlorinated polyethylene modified dose of (CPE) 8-12 part;
Glass fibre 15-25 part;
One or more mixtures 1-1.5 part of oxygenant, magnesium oxide, titanium dioxide.
Further, in order improving weathering resistance, erosion resistance, chemical resistant properties, the work-ing life of material, to protect in the proprietary material formula blocking at motorway, to be also added with:
Non-toxic heat stabilizer 4-6 part
6 parts of calcium carbonate superfine powders
Hindered amine (HALS) UV light absorber 1-1.5 part.
Further, in order to improve Drawing abillity, maintainability, protects in the proprietary material formula blocking at motorway, is also added with:
The processing aid such as lubricant, releasing agent 0.5-1 part.
The concrete manufacture craft of material is as follows:
1, glass fibre is processed: first with containing vinyltrimethoxy silane (A-117) solution of trace (0.5-1:100 weight percent) dicumyl peroxide (DCP), glass fibre being carried out to surface treatment 5-10 minute;
2, again by the glass chopped 2-4mm of being processing, become short glass fiber;
3, short glass fiber is placed in stirrer, adds matrix resin polyvinyl chloride (PVC), esters of acrylic acid series modified dose of (ACR), chlorinatedpolyethylene (CPE) properties-correcting agent and various auxiliary agent of proportional quantity simultaneously, fully stir 5-10 minute;
4, the compound stirring is placed in mixing roll, carry out mixing, 180 DEG C of mixing plasticization temperatures, time 30-45 minute;
5, the grog after mixing is carried out to pulling-on piece and pelletizing, be made into motorway and protect the proprietary material master batch blocking.
Feature of the present invention is:
1, adopted matrix resin polyvinyl chloride (PVC)
PVC is one of plastics the most widely, comparatively speaking, has higher-strength, nonflammable, has good geometrical stability, and chemical, corrosive gases, liquid are had to good resistibility, easy to process, keeps in repair easilier, and shrinking percentage is low.It is in liberal supply simultaneously, and selective model is various, and price is lower, and particularly its production can depend on petroleum, and supply is stable.Based on such advantage, it is matrix resin that the present invention has selected PVC.But the mechanical property of PVC intrinsic and other over-all properties can't meet motorway protects the requirement of blocking, must carry out modification, the processing such as compound.
2, increased toughness reinforcing, impact modifying agent
Improve PVC shock strength, use impact modifying agent.This type of properties-correcting agent has multiple, and what the present invention adopted is two kinds of complementary impact modifiers.A properties-correcting agent with nucleocapsid structure, application ACR.The core of ACR is elastic acrylics crosslinked, and shell is methyl methacrylate---Ethyl acrylate (MMA---EA) multipolymer, and it is compatible with PVC, and processing characteristics is improved, and ACR is tool island structure form in PVC.The energy of the elastic part impact-absorbing of ACR is strong, makes PVC impact modification obvious.It makes product surface bright and clean in addition, improves the weathering resistance of plastics, ageing resistance.In the time of low temperature, there is high shock strength.Another kind of anti-impact agent is that chlorinatedpolyethylene (CPE, chlorinity 35% left and right) CPE melts and mixes in work with PVC, is formed with the two phase structure of good combination power on microcosmic, and CPE is netted form, has the effect of anti-impact net.By the acting in conjunction of these two kinds of impact modifying agents, just as twice erosion control obstacle, can significantly improve the shock strength of goods.
3, pass through GLASS FIBER REINFORCED PVC
Glass filament reinforced plastics tool has great advantage.Improving mechanical property, creep-resistant property with GLASS FIBER REINFORCED PVC, reducing the aspects such as the coefficient of expansion has remarkable effect, and can strengthen weathering resistance, corrosion-resistant aggressiveness.Reaching ideal effect also puts to death in the surface treatment of glass fibre and the connectivity of resin.
4, adopted micro-cross-linked graft processing
Glass fibre is connected with the tight of resin, and the present invention is designed to two-step approach, and the first step adopts containing the silane coupling agent of ethylene linkage and is connected with glass fibre, i.e. the surperficial coupling agent treatment of glass fibre; Second step is that the coupling agent ethylene linkage and the resin that make to be connected on glass fibre carry out graft crosslinking, this crosslinked generation one is by hot effect, the 2nd, by the effect of initiator and vulcanization aid, here coupling agent is vinyltrimethoxy silane (A-117) or vinyl long-chain Ethoxysilane etc., initiator is for reaching oxidation diisopropyl alkene (DCP), and vulcanization accelerator is zinc oxide, magnesium oxide.First with A-117, DCP, glass fibre is carried out to surface treatment, DCP is dissolved in A-117, and A-117 contains and links with the hydroxyl contracting of fiberglass surfacing; In molten resin, utilize the initiation of ethylene linkage and DPC again, carry out graft crosslinking with the ethylene linkage (oxygenant, magnesium oxide effect cause ethylene linkage and pyrolysis to generate ethylene linkage) of resin.Because measure littlely, belong to micro-cross-linked graft.Such processing is closely linked glass fibre and matrix tree, becomes as a whole, and over-all properties is improved greatly.
5, added the auxiliary agent that improves weathering resistance, ageing resistance
This time adopt conventional method to achieve the goal.The present invention has adopted triple measures: appropriate hindered amine as light stabilizer (HALS), and Benzotriazole Ultraviolet Stabilizer, complete red the third type titanium dioxide photomask agent, combines, and this can improve weather-proof, ageing resistance fully and effectively.
Add other thermo-stabilizers, tinting material, lubricant, releasing agent etc. and selected routinely, and be all auxiliary agent nontoxic, environmental protection.
Claims (6)
1. a motorway protects the proprietary material preparation method who blocks, it is characterized in that: adopt glass fibre and matrix resin polyvinyl chloride (PVC) compound, and by fiberglass surfacing coupling agent treatment the short 2-4mm that is cut to, simultaneously by properties-correcting agent to matrix resin polyvinyl chloride (PVC) modification, the coupling agent ethylene linkage and the matrix resin polyvinyl chloride (PVC) that make to be connected on glass fibre carry out graft crosslinking again, mixing one-tenth matrix material, carry out granulation according to ordinary method again, make motorway and protect the proprietary material blocking; Described fiberglass surfacing coupling agent treatment is to adopt containing the silane coupling agent of ethylene linkage to be connected with glass fibre; First initiator dicumyl peroxide (DCP) is dissolved in and in the silane coupling agent containing ethylene linkage, forms surperficial coupling agent according to the part by weight of 0.5-1:100, with surperficial coupling agent, glass fibre is carried out to surface treatment again, make surperficial coupling agent contain and link with the hydroxyl contracting of fiberglass surfacing; The coupling agent ethylene linkage of glass fibre and matrix resin polyvinyl chloride (PVC) carry out graft crosslinking and are undertaken by two aspects; The one, by hot effect, it is in the environment of 170-190 DEG C that glass fibre and matrix resin polyvinyl chloride (PVC) are positioned over to temperature, passes through 5-10 minute, carries out graft crosslinking; The 2nd, by the effect of initiator and vulcanization aid; In molten resin, utilize initiator initiation, the ethylene linkage that generates ethylene linkage resin with the matrix resin polyvinyl chloride ethylene linkage causing by the effect of vulcanization aid and pyrolysis is carried out graft crosslinking.
2. motorway as claimed in claim 1 protects the proprietary material preparation method who blocks, and it is characterized in that: described coupling agent is vinyltrimethoxy silane or vinyl long-chain Ethoxysilane.
3. motorway as claimed in claim 1 protects the proprietary material preparation method who blocks, and it is characterized in that: to matrix resin polyvinyl chloride (PVC), modification is to use impact modifying agent to matrix resin polyvinyl chloride (PVC) modification to described properties-correcting agent.
4. motorway as claimed in claim 3 protects the proprietary material preparation method who blocks, and it is characterized in that: to matrix resin polyvinyl chloride (PVC), modification is to adopt two kinds of complementary impact modifiers to matrix resin polyvinyl chloride (PVC) modification to described use impact modifying agent; A kind of is to adopt series modified dose of the esters of acrylic acid with nucleocapsid structure; Another kind of anti-impact agent is chlorinatedpolyethylene.
5. motorway as claimed in claim 1 protects the proprietary material preparation method who blocks, and it is characterized in that: described initiator is dicumyl peroxide (DCP), and vulcanization accelerator is zinc oxide, magnesium oxide.
6. a motorway protects material prepared by the proprietary material preparation method that blocks, adopt glass fibre and matrix resin polyvinyl chloride (PVC) compound, and by fiberglass surfacing coupling agent treatment and by properties-correcting agent to matrix resin polyvinyl chloride (PVC) modification after, the coupling agent ethylene linkage and the matrix resin polyvinyl chloride (PVC) that make to be connected on glass fibre carry out graft crosslinking again, mixing one-tenth matrix material, carry out granulation according to ordinary method again, make motorway and protect the proprietary material blocking; It is characterized in that: motorway protects the formula mass fraction proportioning by weight of the proprietary material blocking, and at least comprises following material:
100 parts of matrix resin polyvinyl chloride (PVC);
Series modified dose of 8-10 part of esters of acrylic acid;
Chlorinated polyethylene modified dose of 8-12 part;
Glass fibre 15-25 part;
One or more mixtures 1-1.5 part of oxygenant, magnesium oxide, titanium dioxide;
Non-toxic heat stabilizer 4-6 part
6 parts of calcium carbonate superfine powders
Hindered amine UV light absorber 1-1.5 part;
Lubricant, releasing agent 0.5-1 part.
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| CN201210157386.8A CN102660093B (en) | 2012-05-21 | 2012-05-21 | Special material for polyvinyl chloride (PVC) protection railing of highway and production method thereof |
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| CN201210157386.8A CN102660093B (en) | 2012-05-21 | 2012-05-21 | Special material for polyvinyl chloride (PVC) protection railing of highway and production method thereof |
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| CN102660093B true CN102660093B (en) | 2014-09-03 |
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| CN103087388B (en) * | 2013-01-23 | 2014-12-24 | 浙江飞龙管业有限公司 | Reinforced and modified corrugated power protection sleeve |
| CN103865209A (en) * | 2014-03-25 | 2014-06-18 | 娄底市光能科技发展有限公司 | Formula of novel flexible anti-collision guardrail and preparation method thereof |
| CN105985591A (en) * | 2015-02-05 | 2016-10-05 | 无锡龙舜实业有限公司 | Polyvinyl chloride plain film |
| CN104844961A (en) * | 2015-03-06 | 2015-08-19 | 无锡龙舜实业有限公司 | Manufacturing method of polyvinyl chloride plain film |
| CN106750701A (en) * | 2016-11-24 | 2017-05-31 | 李德生 | Glass fibre waterproofing agent rubber-plastic particle synthesizes offset plate |
| CN106496721A (en) * | 2016-12-08 | 2017-03-15 | 李德生 | Glass fibre haloflex rubber and plastic powdex synthesizes convex offset plate |
| CN106393735A (en) * | 2016-12-08 | 2017-02-15 | 李德生 | Carbon fiber chlorinated polyethylene rubber and plastic particle synthetic adhesive slab |
| CN108503978B (en) * | 2018-04-10 | 2020-04-21 | 河北冀雄新材料科技有限公司 | High-strength glass fiber modified polyvinyl chloride material building template and preparation method thereof |
| CN108503980B (en) * | 2018-04-10 | 2020-05-05 | 石家庄暖如春科技有限公司 | High-strength glass fiber modified polyvinyl chloride material door and window profile and preparation method thereof |
| CN108410093B (en) * | 2018-04-10 | 2020-05-05 | 扬州市伟业复合材料有限公司 | High-strength glass fiber modified polyvinyl chloride material and preparation method thereof |
| CN108485116B (en) * | 2018-04-10 | 2020-05-05 | 河北艾森新材料科技有限公司 | High-strength glass fiber modified polyvinyl chloride material floor and preparation method thereof |
| CN113088017B (en) * | 2021-06-09 | 2021-08-06 | 山东墨匠新材料科技有限公司 | Glass fiber reinforced polyvinyl chloride composite material and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101348594A (en) * | 2008-08-28 | 2009-01-21 | 广东联塑科技实业有限公司 | Glass fiber reinforced unplasticised polyvinyl chloride material and preparation thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101348594A (en) * | 2008-08-28 | 2009-01-21 | 广东联塑科技实业有限公司 | Glass fiber reinforced unplasticised polyvinyl chloride material and preparation thereof |
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