CN102660093A - 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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- CN102660093A CN102660093A CN2012101573868A CN201210157386A CN102660093A CN 102660093 A CN102660093 A CN 102660093A CN 2012101573868 A CN2012101573868 A CN 2012101573868A CN 201210157386 A CN201210157386 A CN 201210157386A CN 102660093 A CN102660093 A CN 102660093A
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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 that is used for the motorway guard rail and preparation method thereof, belong to novel material and make the field.
Background technology
The guard rail of motorway use at present is many to be processed with steel.But the steel guardrail is from great, installation, maintenance, safeguards inconveniently, and corrosion-resistant is subject to the serious erosion of vehicle exhaust.Identification capability is not good.The impact resistance ability also has much room for improvement.Since the progress of plastics science and technology, the raising of plastics performance, plastics and matrix material thereof get into the motorway guard rail, are the trend of inevitable development, and motorway adopts plastics guard rail advantage a lot, can overcome many shortcomings of steel guardrail.But resin is without improvement, without compound, and the guard rail that processes is difficult to satisfy the demand, and the plastics that are used as the motorway guard rail have some reports.Find to have 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 ", and this patent discloses a kind of glass fiber reinforced plastic express highway rail; Comprise 2 above breast boards, 3 above breast board pillars is characterized in that described breast board is a 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 fix with bolt, and then be fixed on the breast board pillar through 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 ", and 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 prescription main raw material is a rubber; Auxiliary material is rubber reinforcing filler, anti-aging agent, vulcanizing agent, rubber accelerator, vulcanization of rubber promoting agent, and rubber plastizing agent, this cap are compared cost with the metal cap and reduced greatly; Cap helmet outside is for there being chamfering; Install easily, be difficult to again extract, effectively prevent to destroy and theft; Product is ageing-resistant, long service life, and its aging coefficient is 0.85, and temperature limit of brittleness is-35 ℃, 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 HS, high-elastic polyurethane foam plastic.It is that HS, elastomeric urethane foam are processed protection body, and protection body is arranged at any position that need carry out the road traffic protection.Described protection body comprises anti-guard post, protective grating, protective wall etc., and protection body is through burying method underground, and ornaments method or fastening piece fixation method are provided with.
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 ", and this patent discloses a kind of high strength glass fiber reinforced plastic express highway rail; Relate to 2 above breast boards, 2 above support connecting plates are after 2 breast board termination butt joints; Be fixed by bolts to the connection that realizes on the support connecting plate between the 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 the glass reinforced plastic body, and is an integral body.
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 method of manufacture thereof protects and blocks material and method of manufacture thereof; It is characterized in that this protects blocks material and basic composition is the ultrahigh molecular weight polyethylene(UHMWPE) of weight-average molecular weight more than 500,000; The endwise tensile strength 80-280MPa of goods, elongation at break 45-450%; The method of manufacture of this guardrail material mainly comprises the steps: (1) swelling treatment in advance; 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 preparatory swelling treatment 2-48 hour form Preblend under 50-120 ℃, and add other auxiliary materials: fire retardant, oxidation inhibitor, photostabilizer, weighting agent, tinting material, polyolefine and multipolymer thereof, thermoplastic elastomer; (2) dissolving is mixing, with the sufficient UHMWPE Preblend of above-mentioned preparatory swelling treatment through volume pump be delivered into quantitatively, continuously that parallel parallel dual-screw extruding machine further heats, the even melt shape mixture of dissolving, mixing one-tenth 160-220 ℃; (3) extrusion moulding, the reinforcement that stretches are sent the even melt shape of above-mentioned high temperature mixture to molding die and subsidiary engine group continuously, strengthen, are 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 protective rail plate of number of patent application CN200520033439.0 highway protective rail plate; It is characterized in that: it is for the ring bodies 1 of plastics composite moulding; Have corresponding two joint faces 2,3 on the ring bodies, on joint face, have bolt connecting hole.The technique effect that the present invention produces owing to said structure is conspicuous, promptly owing 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, and is indeformable; Bump to vehicle has elasticity, damages little.
Report the PVC guardrail of buildings in general in addition in addition, modified PVC blocks grid etc.But above-mentioned these patent documentations all do not have effective proposition how to improve the prescription and the structure of material; Make it can adapt to the strict demand with material of motorway guard rail fully; Therefore in use still appear at a lot of problems of 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 is with material strict requirement to be arranged to the motorway guard rail; 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 maintenance and aspect such as asepsis environment-protecting, propose a kind of novel high speed highway guard rail with material and preparation method thereof.
Technology implementation scheme according to goal of the invention of the present invention proposed is: proprietary material of a kind of motorway guard rail and preparation method thereof; Adopt spun glass and matrix resin SE (PVC) compound; And through fiberglass surfacing coupling agent treatment and weak point are cut to 2-4mm; Pass through properties-correcting agent simultaneously to matrix resin SE (PVC) modification, make the coupling agent ethylene linkage and the matrix resin SE (PVC) that are connected on the spun glass carry out graft crosslinking, mixing one-tenth matrix material again; Carry out granulation according to ordinary method again, make the proprietary material of motorway guard rail.
Described fiberglass surfacing coupling agent treatment is to adopt the silane coupling agent that contains ethylene linkage to be connected with spun glass; Earlier initiator peroxo-diisopropyl alkene (DCP) is dissolved in according to the part by weight of 0.5-1:100 and forms surperficial coupling agent in the silane coupling agent that contains ethylene linkage; With surperficial coupling agent spun glass is carried out surface treatment again, make the hydroxyl of surperficial coupling agent and fiberglass surfacing contract to contain and link;
Described coupling agent is vinyltrimethoxy silane (A-117) or vinyl long-chain Ethoxysilane;
Modification is to use impact modifying agent to matrix resin SE (PVC) modification to described properties-correcting agent to matrix resin SE (PVC);
Modification is that what to adopt is that the impact modifier of two kinds of complementarity is to matrix resin SE (PVC) modification to described use impact modifying agent to matrix resin SE (PVC); A kind of is to adopt the properties-correcting agent with nucleocapsid structure, uses series modified dose of esters of acrylic acid (ACR).The nuclear of esters of acrylic acid series modified dose (ACR) is the crosslinked body of elastic acrylics; Shell is a TEB 3K---Ethyl acrylate (MMA---EA) multipolymer; It is compatible with matrix resin SE (PVC); Make processing characteristics improve series modified dose of (ACR) tool island structure form in matrix resin SE (PVC) of esters of acrylic acid.It is strong that the elastic part of esters of acrylic acid series modified dose (ACR) absorbs ballistic energy, makes matrix resin SE (PVC) impact modification obvious.It makes product surface bright and clean in addition, improves the weathering resistance of plastics, stability to aging.High shock strength is arranged when low temperature.Another kind of anti-impact agent is chlorinatedpolyethylene (CPE; About chlorinity 35%), chlorinatedpolyethylene (CPE) is mixed among the worker with matrix resin SE (PVC) is molten, is formed with the two phase structure of good combination power on the microcosmic; Chlorinatedpolyethylene (CPE) is netted form, has the effect of anti-impact net.Through the acting in conjunction of these two kinds of impact modifying agents,, can significantly improve the shock strength of goods just as twice erosion control obstacle.
Coupling agent ethylene linkage on the described spun glass and matrix resin SE (PVC) carry out graft crosslinking and carry out through two aspects; The one, the effect of leaning on heat is in 170-190 ℃ the environment with being positioned over temperature with matrix resin SE (PVC) on the spun glass, through 5-10 minute, carries out graft crosslinking; The 2nd, the effect of leaning on initiator and vulcanization aid; In molten resin, utilize initiator initiation, the ethylene linkage that matrix resin SE ethylene linkage that causes with effect through vulcanization aid and pyrolysis generate the ethylene linkage resin is carried out graft crosslinking.Because measure lessly, belong to little cross-linked graft.Such processing is closely linked spun glass 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, Natural manganese dioxide.
The concrete manufacture craft of the proprietary material of said motorway guard rail is following:
1, spun glass is handled: with vinyltrimethoxy silane (A-117) solution that contains trace (0.5-1:100 weight percent) Di Cumyl Peroxide 99 (DCP) spun glass was carried out surface treatment 5-10 minute earlier;
The glass chopped 2-4mm of being that 2, will handle again becomes short glass fiber;
3, short glass fiber is placed in the stirrer, add matrix resin SE (PVC), esters of acrylic acid series modified dose of (ACR), chlorinatedpolyethylene (CPE) properties-correcting agent and various auxiliary agent of proportional quantity simultaneously, fully stirred 5-10 minute;
4, with the compound that stirs place carry out in the mixing roll mixing, 180 ℃ of mixing plasticization temperatures, time 30-45 minute;
5, the grog after mixing is carried out pulling-on piece and pelletizing, be made into the proprietary material master batch of motorway guard rail.
Characteristics of the present invention are:
1, adopted matrix resin SE (PVC)
PVC is one of plastics the most widely, comparatively speaking, higher-strength is arranged, and is nonflammable, and good geometrical stability is arranged, and chemical, corrosive gases, liquid are had good resistibility, easy to process, keeps in repair easylier, 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 satisfy the requirement of motorway guard rail, must carry out modification, processing such as compound.
2, increased toughness reinforcing, impact modifying agent
Improve the PVC shock strength, use impact modifying agent.This type of properties-correcting agent has multiple, and what the present invention adopted is the impact modifier of two kinds of complementarity.A kind of is the properties-correcting agent with nucleocapsid structure, uses ACR.The nuclear of ACR is the crosslinked body of elastic acrylics, and shell is a TEB 3K---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.It is strong that the elastic part of ACR absorbs ballistic energy, makes the PVC impact modification obvious.It makes product surface bright and clean in addition, improves the weathering resistance of plastics, stability to aging.High shock strength is arranged when low temperature.Another kind of anti-impact agent is that chlorinatedpolyethylene (CPE, chlorinity about 35%) CPE melts with PVC and mixes among the worker, is formed with the two phase structure of good combination power on the microcosmic, and CPE is netted form, has the effect of anti-impact net.Through the acting in conjunction of these two kinds of impact modifying agents,, can significantly improve the shock strength of goods just as twice erosion control obstacle.
3, adopt GLASS FIBER REINFORCED PVC
The glass filament reinforced plastics tool has great advantage.Improving mechanical property, creep-resistant property with GLASS FIBER REINFORCED PVC, all there is remarkable effect aspects such as the reduction coefficient of expansion, and can strengthen weathering resistance, corrosion-resistant aggressiveness.Reaching ideal effect also puts to death in the surface treatment of spun glass and the connectivity of resin.
4, having carried out little cross-linked graft handles
Spun glass is connected with the tight of resin, and the present invention is designed to two-step approach, and the first step adopts the silane coupling agent that contains ethylene linkage to be connected with spun glass, i.e. the surperficial coupling agent treatment of spun glass; Second step was to make the coupling agent ethylene linkage and the resin that are connected on the spun glass carry out graft crosslinking; This crosslinked generation one is the effect of leaning on heat; The 2nd, the effect of leaning on initiator and vulcanization aid; Here coupling agent is vinyltrimethoxy silane (A-117) or vinyl long-chain Ethoxysilane etc., and initiator is a peroxo-diisopropyl alkene (DCP), and vulcanization accelerator is zinc oxide, Natural manganese dioxide.Earlier with A-117, DCP spun glass is carried out surface treatment, DCP is dissolved among the A-117, and the hydroxyl of A-117 and fiberglass surfacing contracts to contain and links; In molten resin, utilize the initiation of ethylene linkage and DPC again, carry out graft crosslinking with the ethylene linkage (oxygenant, Natural manganese dioxide effect cause ethylene linkage and pyrolysis to generate ethylene linkage) of resin.Because measure lessly, belong to little cross-linked graft.Such processing is closely linked spun glass 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: an amount of hindered amine as light stabilizer (HALS), and the benzotriazole category UV light absorber, the complete red third type white titanium pigment photomask agent makes up, and this can improve weather-proof, ageing resistance fully and effectively.
6, increased other thermo-stabilizers, tinting material, lubricant, releasing agent etc. and selected for use, and all be auxiliary agent nontoxic, environmental protection by routine.
Description of drawings
Accompanying drawing 1 is a schematic flow sheet of the present invention.
Embodiment
To combine specific embodiment that the present invention is done further description below.
Accompanying drawing 1 is a manufacture craft schema of the present invention; Can find out that through accompanying drawing the present invention is proprietary material of a kind of motorway guard rail and preparation method thereof, adopt spun glass and matrix resin SE (PVC) compound; And through fiberglass surfacing coupling agent treatment and weak point are cut to 2-4mm; Pass through properties-correcting agent simultaneously to matrix resin SE (PVC) modification, make the coupling agent ethylene linkage and the matrix resin SE (PVC) that are connected on the spun glass carry out graft crosslinking, mixing one-tenth matrix material again; Carry out granulation according to ordinary method again, make the proprietary material of motorway guard rail.
Described fiberglass surfacing coupling agent treatment is to adopt the silane coupling agent that contains ethylene linkage to be connected with spun glass; Earlier initiator peroxo-diisopropyl alkene (DCP) is dissolved in according to the part by weight of 0.5-1:100 and forms surperficial coupling agent in the silane coupling agent that contains ethylene linkage; With surperficial coupling agent spun glass is carried out surface treatment again, make the hydroxyl of surperficial coupling agent and fiberglass surfacing contract to contain and link;
Described coupling agent is vinyltrimethoxy silane (A-117) or vinyl long-chain Ethoxysilane;
Modification is to use impact modifying agent to matrix resin SE (PVC) modification to described properties-correcting agent to matrix resin SE (PVC);
Modification is that what to adopt is that the impact modifier of two kinds of complementarity is to matrix resin SE (PVC) modification to described use impact modifying agent to matrix resin SE (PVC); A kind of is to adopt the properties-correcting agent with nucleocapsid structure, uses series modified dose of esters of acrylic acid (ACR).The nuclear of esters of acrylic acid series modified dose (ACR) is the crosslinked body of elastic acrylics; Shell is a TEB 3K---Ethyl acrylate (MMA---EA) multipolymer; It is compatible with matrix resin SE (PVC); Make processing characteristics improve series modified dose of (ACR) tool island structure form in matrix resin SE (PVC) of esters of acrylic acid.It is strong that the elastic part of esters of acrylic acid series modified dose (ACR) absorbs ballistic energy, makes matrix resin SE (PVC) impact modification obvious.It makes product surface bright and clean in addition, improves the weathering resistance of plastics, stability to aging.High shock strength is arranged when low temperature.Another kind of anti-impact agent is chlorinatedpolyethylene (CPE; About chlorinity 35%), chlorinatedpolyethylene (CPE) is mixed among the worker with matrix resin SE (PVC) is molten, is formed with the two phase structure of good combination power on the microcosmic; Chlorinatedpolyethylene (CPE) is netted form, has the effect of anti-impact net.Through the acting in conjunction of these two kinds of impact modifying agents,, can significantly improve the shock strength of goods just as twice erosion control obstacle.
Coupling agent ethylene linkage on the described spun glass and matrix resin SE (PVC) carry out graft crosslinking and carry out through two aspects; The one, the effect of leaning on heat is in 170-190 ℃ the environment with being positioned over temperature with matrix resin SE (PVC) on the spun glass, through 5-10 minute, carries out graft crosslinking; The 2nd, the effect of leaning on initiator and vulcanization aid; In molten resin, utilize initiator initiation, the ethylene linkage that matrix resin SE ethylene linkage that causes with effect through vulcanization aid and pyrolysis generate the ethylene linkage resin is carried out graft crosslinking.Because measure lessly, belong to little cross-linked graft.Such processing is closely linked spun glass 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, Natural manganese dioxide.
Embodiment one
Proprietary material of a kind of motorway guard rail and preparation method thereof; Adopt spun glass and matrix resin SE (PVC) compound; And through to the fiberglass surfacing coupling agent treatment and through properties-correcting agent to matrix resin SE (PVC) modification after, make the coupling agent ethylene linkage and the matrix resin SE (PVC) that are connected on the spun glass carry out graft crosslinking, mixing one-tenth matrix material again; Carry out granulation according to ordinary method again, make the proprietary material of motorway guard rail.Wherein, the prescription of the proprietary material of motorway guard rail (mass fraction by weight) comprises following material at least:
100 parts of matrix resin SE (PVC);
Series modified dose of (ACR) 8-10 of esters of acrylic acid part;
Chlorinated polyethylene modified dose of (CPE) 8-12 part;
Spun glass 15-25 part;
One or more mixtures 1-1.5 part of oxygenant, Natural manganese dioxide, white titanium pigment.
Further, for weathering resistance, erosion resistance, chemical resistant properties, the work-ing life of improving material, in the proprietary material prescription of motorway guard rail, also be 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 in the proprietary material prescription of motorway guard rail, also is added with:
Processing aid such as lubricant, releasing agent 0.5-1 part.
The concrete manufacture craft of material is following:
1, spun glass is handled: with vinyltrimethoxy silane (A-117) solution that contains trace (0.5-1:100 weight percent) Di Cumyl Peroxide 99 (DCP) spun glass was carried out surface treatment 5-10 minute earlier;
The glass chopped 2-4mm of being that 2, will handle again becomes short glass fiber;
3, short glass fiber is placed in the stirrer, add matrix resin SE (PVC), esters of acrylic acid series modified dose of (ACR), chlorinatedpolyethylene (CPE) properties-correcting agent and various auxiliary agent of proportional quantity simultaneously, fully stirred 5-10 minute;
4, with the compound that stirs place carry out in the mixing roll mixing, 180 ℃ of mixing plasticization temperatures, time 30-45 minute;
5, the grog after mixing is carried out pulling-on piece and pelletizing, be made into the proprietary material master batch of motorway guard rail.
Characteristics of the present invention are:
1, adopted matrix resin SE (PVC)
PVC is one of plastics the most widely, comparatively speaking, higher-strength is arranged, and is nonflammable, and good geometrical stability is arranged, and chemical, corrosive gases, liquid are had good resistibility, easy to process, keeps in repair easylier, 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 satisfy the requirement of motorway guard rail, must carry out modification, processing such as compound.
2, increased toughness reinforcing, impact modifying agent
Improve the PVC shock strength, use impact modifying agent.This type of properties-correcting agent has multiple, and what the present invention adopted is the impact modifier of two kinds of complementarity.A kind of is the properties-correcting agent with nucleocapsid structure, uses ACR.The nuclear of ACR is the crosslinked body of elastic acrylics, and shell is a TEB 3K---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.It is strong that the elastic part of ACR absorbs ballistic energy, makes the PVC impact modification obvious.It makes product surface bright and clean in addition, improves the weathering resistance of plastics, stability to aging.High shock strength is arranged when low temperature.Another kind of anti-impact agent is that chlorinatedpolyethylene (CPE, chlorinity about 35%) CPE melts with PVC and mixes among the worker, is formed with the two phase structure of good combination power on the microcosmic, and CPE is netted form, has the effect of anti-impact net.Through the acting in conjunction of these two kinds of impact modifying agents,, can significantly improve the shock strength of goods just as twice erosion control obstacle.
3, pass through GLASS FIBER REINFORCED PVC
The glass filament reinforced plastics tool has great advantage.Improving mechanical property, creep-resistant property with GLASS FIBER REINFORCED PVC, all there is remarkable effect aspects such as the reduction coefficient of expansion, and can strengthen weathering resistance, corrosion-resistant aggressiveness.Reaching ideal effect also puts to death in the surface treatment of spun glass and the connectivity of resin.
4, adopted little cross-linked graft to handle
Spun glass is connected with the tight of resin, and the present invention is designed to two-step approach, and the first step adopts the silane coupling agent that contains ethylene linkage to be connected with spun glass, i.e. the surperficial coupling agent treatment of spun glass; Second step was to make the coupling agent ethylene linkage and the resin that are connected on the spun glass carry out graft crosslinking; This crosslinked generation one is the effect of leaning on heat; The 2nd, the effect of leaning on initiator and vulcanization aid; Here coupling agent is vinyltrimethoxy silane (A-117) or vinyl long-chain Ethoxysilane etc., and initiator is for reaching oxidation diisopropyl alkene (DCP), and vulcanization accelerator is zinc oxide, Natural manganese dioxide.Earlier with A-117, DCP spun glass is carried out surface treatment, DCP is dissolved among the A-117, and the hydroxyl of A-117 and fiberglass surfacing contracts to contain and links; In molten resin, utilize the initiation of ethylene linkage and DPC again, carry out graft crosslinking with the ethylene linkage (oxygenant, Natural manganese dioxide effect cause ethylene linkage and pyrolysis to generate ethylene linkage) of resin.Because measure lessly, belong to little cross-linked graft.Such processing is closely linked spun glass 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: an amount of hindered amine as light stabilizer (HALS), and the benzotriazole category UV light absorber, the complete red third type white titanium pigment photomask agent makes up, and this can improve weather-proof, ageing resistance fully and effectively.
Added other thermo-stabilizers, tinting material, lubricant, releasing agent etc. and selected for use, and all be auxiliary agent nontoxic, environmental protection by routine.
Claims (10)
1. proprietary material of a motorway guard rail and preparation method thereof; It is characterized in that: adopt spun glass and matrix resin SE (PVC) compound; And through fiberglass surfacing coupling agent treatment and weak point are cut to 2-4mm; Pass through properties-correcting agent simultaneously to matrix resin SE (PVC) modification, make the coupling agent ethylene linkage and the matrix resin SE (PVC) that are connected on the spun glass carry out graft crosslinking, mixing one-tenth matrix material again; Carry out granulation according to ordinary method again, make the proprietary material of motorway guard rail.
2. proprietary material of motorway guard rail as claimed in claim 1 and preparation method thereof is characterized in that: described fiberglass surfacing coupling agent treatment is to adopt the silane coupling agent that contains ethylene linkage to be connected with spun glass; Earlier initiator peroxo-diisopropyl alkene (DCP) is dissolved in according to the part by weight of 0.5-1:100 and forms surperficial coupling agent in the silane coupling agent that contains ethylene linkage; With surperficial coupling agent spun glass is carried out surface treatment again, make the hydroxyl of surperficial coupling agent and fiberglass surfacing contract to contain and link.
3. proprietary material of motorway guard rail as claimed in claim 2 and preparation method thereof is characterized in that: described coupling agent is vinyltrimethoxy silane (A-117) or vinyl long-chain Ethoxysilane.
4. proprietary material of motorway guard rail as claimed in claim 2 and preparation method thereof is characterized in that: modification is to use impact modifying agent to matrix resin SE (PVC) modification to described properties-correcting agent to matrix resin SE (PVC).
5. proprietary material of motorway guard rail as claimed in claim 1 and preparation method thereof is characterized in that: modification is that what to adopt is that the impact modifier of two kinds of complementarity is to matrix resin SE (PVC) modification to described use impact modifying agent to matrix resin SE (PVC); A kind of is to adopt series modified dose of the esters of acrylic acid (ACR) with nucleocapsid structure; Another kind of anti-impact agent is a chlorinatedpolyethylene.
6. proprietary material of motorway guard rail as claimed in claim 1 and preparation method thereof is characterized in that: coupling agent ethylene linkage on the described spun glass and matrix resin SE (PVC) carry out graft crosslinking and carry out through two aspects; The one, the effect of leaning on heat is in 170-190 ℃ the environment with being positioned over temperature with matrix resin SE (PVC) on the spun glass, through 5-10 minute, carries out graft crosslinking; The 2nd, the effect of leaning on initiator and vulcanization aid; In molten resin, utilize initiator initiation, the ethylene linkage that matrix resin SE ethylene linkage that causes with effect through vulcanization aid and pyrolysis generate the ethylene linkage resin is carried out graft crosslinking.
7. proprietary material of motorway guard rail as claimed in claim 6 and preparation method thereof is characterized in that: described initiator is for reaching oxidation diisopropyl alkene (DCP), and vulcanization accelerator is zinc oxide, Natural manganese dioxide.
8. proprietary material of a motorway guard rail and preparation method thereof; It is characterized in that: adopt spun glass and matrix resin SE (PVC) compound; And through to the fiberglass surfacing coupling agent treatment and through properties-correcting agent to matrix resin SE (PVC) modification after; Make the coupling agent ethylene linkage and the matrix resin SE (PVC) that are connected on the spun glass carry out graft crosslinking again; Mixing one-tenth matrix material carries out granulation according to ordinary method again, makes the proprietary material of motorway guard rail; Wherein, the prescription of the proprietary material of motorway guard rail (mass fraction by weight) comprises following material at least:
100 parts of matrix resin SE (PVC);
Series modified dose of (ACR) 8-10 of esters of acrylic acid part;
Chlorinated polyethylene modified dose of (CPE) 8-12 part;
Spun glass 15-25 part;
One or more mixtures 1-1.5 part of oxygenant, Natural manganese dioxide, white titanium pigment.
9. proprietary material of motorway guard rail as claimed in claim 8 and preparation method thereof is characterized in that: described in the proprietary material prescription of motorway guard rail, also be 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.
10. proprietary material of motorway guard rail as claimed in claim 8 and preparation method thereof is characterized in that: described in the proprietary material prescription of motorway guard rail, also be added with:
Processing aid such as lubricant, releasing agent 0.5-1 part.
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| Application Number | Priority Date | Filing Date | Title |
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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 CN102660093B (en) | 2014-09-03 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103087388A (en) * | 2013-01-23 | 2013-05-08 | 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 |
| 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 |
| CN105985591A (en) * | 2015-02-05 | 2016-10-05 | 无锡龙舜实业有限公司 | Polyvinyl chloride plain film |
| CN106393735A (en) * | 2016-12-08 | 2017-02-15 | 李德生 | Carbon fiber chlorinated polyethylene rubber and plastic particle synthetic adhesive slab |
| CN106496721A (en) * | 2016-12-08 | 2017-03-15 | 李德生 | Glass fibre haloflex rubber and plastic powdex synthesizes convex offset plate |
| CN106750701A (en) * | 2016-11-24 | 2017-05-31 | 李德生 | Glass fibre waterproofing agent rubber-plastic particle synthesizes offset plate |
| CN108410093A (en) * | 2018-04-10 | 2018-08-17 | 郑州智锦电子科技有限公司 | A kind of high strength glass fiber modified polyvinyl chloride material and preparation method thereof |
| CN108485116A (en) * | 2018-04-10 | 2018-09-04 | 郑州智锦电子科技有限公司 | A kind of high strength glass fiber modified polyvinyl chloride material floor and preparation method thereof |
| CN108503980A (en) * | 2018-04-10 | 2018-09-07 | 郑州智锦电子科技有限公司 | A kind of high strength glass fiber modified polyvinyl chloride material door-window section bar and preparation method thereof |
| CN108503978A (en) * | 2018-04-10 | 2018-09-07 | 郑州智锦电子科技有限公司 | A kind of high strength glass fiber modified polyvinyl chloride material building template and preparation method thereof |
| CN113088017A (en) * | 2021-06-09 | 2021-07-09 | 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 |
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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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Patent 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 |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103087388A (en) * | 2013-01-23 | 2013-05-08 | 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 |
| CN106393735A (en) * | 2016-12-08 | 2017-02-15 | 李德生 | Carbon fiber chlorinated polyethylene rubber and plastic particle synthetic adhesive slab |
| CN106496721A (en) * | 2016-12-08 | 2017-03-15 | 李德生 | Glass fibre haloflex rubber and plastic powdex synthesizes convex offset plate |
| CN108485116A (en) * | 2018-04-10 | 2018-09-04 | 郑州智锦电子科技有限公司 | A kind of high strength glass fiber modified polyvinyl chloride material floor and preparation method thereof |
| CN108410093A (en) * | 2018-04-10 | 2018-08-17 | 郑州智锦电子科技有限公司 | A kind of high strength glass fiber modified polyvinyl chloride material and preparation method thereof |
| CN108503980A (en) * | 2018-04-10 | 2018-09-07 | 郑州智锦电子科技有限公司 | A kind of high strength glass fiber modified polyvinyl chloride material door-window section bar and preparation method thereof |
| CN108503978A (en) * | 2018-04-10 | 2018-09-07 | 郑州智锦电子科技有限公司 | A kind of high strength glass fiber modified polyvinyl chloride material building template and preparation method thereof |
| 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 |
| 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 |
| 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 |
| CN113088017A (en) * | 2021-06-09 | 2021-07-09 | 山东墨匠新材料科技有限公司 | Glass fiber reinforced polyvinyl chloride composite material and preparation method thereof |
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