CN101805477A - Waterproof product containing linear low density polyethylene and preparation method thereof - Google Patents
Waterproof product containing linear low density polyethylene and preparation method thereof Download PDFInfo
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- CN101805477A CN101805477A CN201010167685A CN201010167685A CN101805477A CN 101805477 A CN101805477 A CN 101805477A CN 201010167685 A CN201010167685 A CN 201010167685A CN 201010167685 A CN201010167685 A CN 201010167685A CN 101805477 A CN101805477 A CN 101805477A
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- density polyethylene
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- 229920000092 linear low density polyethylene Polymers 0.000 title claims abstract description 38
- 239000004707 linear low-density polyethylene Substances 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 23
- 229920003023 plastic Polymers 0.000 claims abstract description 23
- 239000004033 plastic Substances 0.000 claims abstract description 23
- 239000004709 Chlorinated polyethylene Substances 0.000 claims abstract description 16
- 238000004049 embossing Methods 0.000 claims abstract description 16
- 238000000465 moulding Methods 0.000 claims abstract description 16
- 239000002530 phenolic antioxidant Substances 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 16
- 239000003381 stabilizer Substances 0.000 claims abstract description 16
- 229920001577 copolymer Polymers 0.000 claims abstract description 15
- 238000003756 stirring Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000005469 granulation Methods 0.000 claims abstract description 8
- 230000003179 granulation Effects 0.000 claims abstract description 8
- 239000000314 lubricant Substances 0.000 claims abstract description 7
- 238000011049 filling Methods 0.000 claims abstract description 4
- 238000001125 extrusion Methods 0.000 claims description 22
- 238000012545 processing Methods 0.000 claims description 20
- 150000001875 compounds Chemical class 0.000 claims description 17
- 150000002989 phenols Chemical class 0.000 claims description 14
- 239000004744 fabric Substances 0.000 claims description 11
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 8
- 239000004135 Bone phosphate Substances 0.000 claims description 7
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 7
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 7
- 239000006096 absorbing agent Substances 0.000 claims description 7
- 235000019628 coolness Nutrition 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 7
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 claims description 7
- UMKARVFXJJITLN-UHFFFAOYSA-N lead;phosphorous acid Chemical compound [Pb].OP(O)O UMKARVFXJJITLN-UHFFFAOYSA-N 0.000 claims description 7
- 239000008188 pellet Substances 0.000 claims description 7
- 238000005453 pelletization Methods 0.000 claims description 7
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 6
- 239000004902 Softening Agent Substances 0.000 claims description 6
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 6
- 235000021355 Stearic acid Nutrition 0.000 claims description 4
- 239000000084 colloidal system Substances 0.000 claims description 4
- 235000012204 lemonade/lime carbonate Nutrition 0.000 claims description 4
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical group CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 4
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 4
- 239000012188 paraffin wax Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000008117 stearic acid Substances 0.000 claims description 4
- 239000012745 toughening agent Substances 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 18
- 239000000203 mixture Substances 0.000 abstract description 9
- 238000009472 formulation Methods 0.000 abstract description 6
- 229920001971 elastomer Polymers 0.000 abstract description 5
- 230000032683 aging Effects 0.000 abstract description 3
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000005520 cutting process Methods 0.000 abstract 1
- 239000000945 filler Substances 0.000 abstract 1
- 239000004611 light stabiliser Substances 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- 230000036314 physical performance Effects 0.000 abstract 1
- 238000007670 refining Methods 0.000 abstract 1
- 239000012744 reinforcing agent Substances 0.000 abstract 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 12
- 230000000694 effects Effects 0.000 description 8
- 239000004698 Polyethylene Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- -1 polyethylene Polymers 0.000 description 5
- 229920000573 polyethylene Polymers 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 4
- 238000004132 cross linking Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical group C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000002144 chemical decomposition reaction Methods 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001149 thermolysis Methods 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
- B29C48/9155—Pressure rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/397—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/914—Cooling of flat articles, e.g. using specially adapted supporting means cooling drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention relates to a waterproof product containing linear low density polyethylene (LLDPE), in particular to a waterproof coiled material and a preparation method thereof, solving the problems of low performance index and high formulation cost of the waterproof coiled materials in the prior art. The waterproof coiled material is prepared by ethylene-octylene copolymers, chlorinated polyethylene, LLDPE, filling and reinforcing agents, softening and plasticizing agents, phenolic antioxidants, heat stabilizing agents, lubricants and light stabilizing agents. The method is characterized by mixing and stirring all the raw materials, adopting a plastic refining machine, a two-roll machine and a grain cutting machine in sequence for granulation, throwing the grains into a single screw extruder to be extruded and molding the grains with molds; and throwing the molded grains into a three-roll cooling embossing machine to be rolled, thus preparing the waterproof coiled material. The waterproof coiled material not only retains the special softness, elongation and resilience of the rubber, but also retains higher tensile strength at break of LLDPE, has good softness, straightness and flatness, has performance index in excess of the national standard and related standards of the Ministry of Railways, has excellent aging resistance, physical performance and processability and has low production cost.
Description
Technical field
The present invention relates to a kind of waterproof product that contains linear low density polyethylene, be specially a kind of waterproof roll that contains linear low density polyethylene and preparation method thereof.
Background technology
At present each manufacturer special-purpose N class (no composite bed coiled material) of bridge, L class (two-sided compound nonwoven cloth) type waterproof roll of producing adopts high-pressure polyethylene or linear low density polyethylene to come modified chlorinated polyethylene to do the waterproof roll matrix basically.Though the prescription of each manufacturer, technology difference all exist very big defective; (1) if based on high-pressure polyethylene or linear low density polyethylene, though every mechanical property can reach the related standards of the Ministry of Railways,, the pliability of product, planeness, rebound resilience do not reach the requirement of construction far away.Because bridge construction special-purpose water-proof coiled material has certain particular requirement to its pliability, planeness and rebound resilience, otherwise waterproof roll is comprehensive is bonded as one with cement based bridge floor with regard to being difficult to make.A lot of producers are therefore defective and can't normally use and be returned goods; (2) if based on chlorinatedpolyethylene (CPE), the pliability of product, planeness, rebound resilience are all relatively good, but its mechanical performance index then differs greatly, particularly breaking tenacity can only be about 90N/cm/1.5mm (related standards of the Ministry of Railways is 〉=160N/cm/1.5mm-1.8mm); (3) if these two kinds of materials of high-pressure polyethylene and chlorinatedpolyethylene are homogeneous phase, equity, its mechanical property and pliability, planeness, rebound resilience are then all defective.In addition, also have part producer to be material of main part with thermoplastic elastomer SBS or thermoplastic elastomer TPE etc. at present, though various performance index can both reach requirement, formulation cost is too high, can not adapt to the running of present market economy.Do not see the report of ethene-octene copolymer (POE) successful application up to now as yet at bridge construction special-purpose water-proof coiled material.
Summary of the invention
The present invention adopts high-pressure polyethylene to come modified chlorinated polyethylene to do the waterproof roll matrix in order to solve the special-purpose two class waterproof rolls of existing bridge construction basically, can't satisfy the every performance index of product fully.If adopting thermoplastic elastomer SBS or thermoplastic elastomer TPE is material of main part, cause the too high problem of formulation cost, a kind of modified chlorinated polyethylene waterproof roll and preparation method thereof is provided.
The present invention adopts following technical scheme to realize: a kind of waterproof product that contains linear low density polyethylene, raw material by following parts by weight is made: 110～130 parts of ethene-octene copolymers, 70～90 parts of chlorinatedpolyethylenees, 140～180 parts of linear low density polyethylenes are filled 70～190 parts of tougheners, 65～80 parts in softening softening agent, 2～4 parts of phenolic antioxidants, 2～4 parts of thermo-stabilizers, 2～4 parts of lubricants, 1.5～2.5 parts of photostabilizers; Described phenolic antioxidant is that 50% phenols primary antioxidant 1010 and 50% phenols auxiliary antioxidant 168 are made by weight ratio, and described thermo-stabilizer is that 50% dibasic lead phosphite and 50% lead sulfate tribasic are made by weight ratio.
Described filling toughener is treated carbonates or colloid lime carbonate; Described softening softening agent is any one in dioctyl phthalate (DOP), clorafin, imitative hydrogen oil or the naphthenic oil; Described lubricant is stearic acid or particle paraffin; Described photostabilizer is UV light absorber UV327 or UV531; Octene content is 30-50wt% in described ethene-octene copolymer, and cl content is 25-45wt% in the chlorinatedpolyethylene.。
In the above-mentioned prescription, ethene-octene copolymer (POE) is that U.S. DOW chemical company is the thermoplastic elastomer of narrow relative molecular mass of having of catalyzer and short-chain branch distribution uniformly with the metallocene, this elastomeric salient features that has a rubbery is very outstanding, and the performance index aspect a lot of have surpassed common elastomerics.Why POE has excellent performance, can realize extruding at a high speed relevant with following characteristics: flexible chain coiled structure of (1) octene and crystalline ethylene chain make it have excellent toughness and have good processibility again as the physical crosslinking point; (2) relative molecular mass narrowly distributing, good with compatible polyolefin, have preferable flowability; (3) do not have unsaturated double-bond, excellent weather resistance and hard is in other elastomerics; (4) stronger shearing sensibility and melt strength can be realized extruding at a high speed, improves output; (5) good flowability can be improved the dispersion effect of stopping composition, also can improve the weld mark strength of goods simultaneously.The singularity of POE molecular structure has been given its excellent mechanical property, rheological property and anti-ultraviolet property.Ethene-octene copolymer (POE) is to combine rubber and a kind of material of plastics advantage, its plastics at high temperature are can mobile mutually, then play the effect of physical crosslinking point at normal temperatures, this physical crosslinking is hot reversible, therefore it both can use the working method moulding of thermoplastics, it has the elasticity of rubber again in wide temperature range, the present invention first with ethene-octene copolymer (POE) successful application on bridge construction special-purpose water-proof coiled material.
Chlorinatedpolyethylene (CPE) is the chloride polyolefine of being made through chlorination by polyethylene, it is the armorphous chloride saturated elastomerics of a kind of line style, difference according to chlorinity can be divided into soft plastic (chlorinity is less than 25%), elastomerics (chlorinity 25%～45%) and rigid plastics (chlorinity 45%～70%), because the introducing of chlorine atom, make primary structure cause that easily the factor of chemical degradation and thermal destruction disappears, thereby make it have good weathering resistance, flame resistivity and resistance to low temperature, the present invention quotes chlorinatedpolyethylene in design, except above-mentioned factor, also has the adhesion problem that important factor is exactly N class waterproof roll and cement matrix binding agent, because chlorinatedpolyethylene is a kind of polar macromolecular material that has, superior with the adhesive property of common bond, and POE, the adhesive property of LLDPE and common bond is poor, is difficult to bonding.Prove that through test of many times the present invention preferably is advisable at 35% chlorinatedpolyethylene with chlorinity.
Because above-mentioned two type of elastomeric bodies are added certain tenderizer, its tensile strength is had a greatly reduced quality do not reach the design requirements of product far away, even add suitable reinforcing filler, though intensity has some improvement, but a certain distance is still arranged with the design requirements of waterproof roll, and elongation also can descend by straight line, in order both to reach the design requirements of product performance index, consider the formulation cost of product again, the applicant is through test of many times and summary of experience, on prescription, added linear low density polyethylene (LLDPE) as the plastics phase, lose under the little situation at elongation through test, its tensile strength is greatly improved, fracture tensile strength 〉=the 18MPa of N class waterproof roll, tensile yield 〉=900%, the fracture tensile strength 〉=200N/cm/1.5mm of the two-sided compound nonwoven cloth waterproof coiled material of L class, tensile yield 〉=800%, all other indexs are all above the related standards of the national standard and the Ministry of Railways, and the component design cost of product also significantly descends.
For the further prescription of optimizing this product, the index of enhancing product performance, the present invention has also added following raw material, and the effect of filling toughener is the intensity of increase product partly and the formulation cost of reduction product; The main effect of softening softening agent is the flexibility that increases product; The main effect of phenolic antioxidant is to improve product heat resistanceheat resistant, ageing resistance in use, prolongs the work-ing life of waterproof roll; The effect of thermo-stabilizer mainly is the thermolysis that prevents or stop chlorinatedpolyethylene to cause owing to high temperature in the course of processing; The main effect of lubricant is to prevent superpolymer in the process of converted products, and the high temperature that excessively produces owing to friction decomposes superpolymer; The main effect of photostabilizer is to prevent owing to the width of cloth of light is penetrated the superpolymer decomposition that causes.
A kind of preparation contains the method for the waterproof product of linear low density polyethylene, may further comprise the steps:
(1) batching: various raw materials are mixed in proportion, stir under the normal temperature; (2) granulation: the compound that stirs is dropped into the closed plastics processing mill, the temperature of closed plastics processing mill is controlled at 150～170 ℃, banburying discharging after 10～15 minutes, directly enter twin-roll machine, the roller temperature of twin-roll machine is controlled at 140～150 ℃, roll spacing slice when being set to 3.5mm～4mm, and then through the dicing machine pelletizing; (3) pellet that step (2) obtained drops into that single screw extrusion machine is extruded and through mould molding: the machine barrel top temperature of single screw extrusion machine is that to be controlled at 30～40 rev/mins, the core temperature of single screw extrusion machine mould be 10～15 ℃ of the core temperatures that 180～220 ℃, the both sides temperature of mould are higher than mould for 180～200 ℃, screw speed; (4) molding mass that step (3) is obtained drops into the roll-in of three rollers coolings embossing machine and goes out the N class and do not have composite bed waterproof roll or the two-sided compound nonwoven cloth type of L class waterproof roll: roller temperature was that 50～70 ℃, lower roller temperature are that 40～60 ℃, upper roller temperature are 60～80 ℃ during the roller temperature of three rollers cooling embossing machine was controlled at; (5) naturally cooling, plant the limit.Above-mentioned closed plastics processing mill, twin-roll machine, dicing machine, single screw extrusion machine and three rollers cooling embossing machine are existing known equipment, and its structure and principle of work are that those of ordinary skill in the art is known.
The present invention adopts thermoplastic elastomer to be ethene-octene copolymer and chlorinatedpolyethylene mutually, plastics are linear low density polyethylene mutually, and suitable an amount of in addition softening agent, fill toughener and various subsidiary material, extrude N class through blend into matrix, the bridge special-purpose water-proof coiled material of L type, produce this rubber plastic blend type waterproof roll and do not need to vulcanize complete processing, can adopt the complete processing of processing ordinary hot thermoplastic plastic, the maximum characteristics of product are both to have kept distinctive pliability of rubber and higher elongation, rebound resilience, kept the higher fracture stretching Strong degree of LLDPE again, the pliability of integral sheet, planeness, planeness is better, its performance index are considerably beyond the related standards of the national standard and the Ministry of Railways, fracture tensile strength＞the 18MPa of the N class waterproof roll of making, tensile yield＞900%, the fracture stretching Strong degree＞200N/cm/1.5mm of the two-sided compound nonwoven cloth waterproof coiled material of L class, tensile yield＞800%.And the present invention adopts thermoplastic elastomer, the common modification linear low density polyethylene of thermoplastic elastomer, not only every performance index are superior, the more important thing is formulation cost of the present invention with other thermoplastic elastomer or rubber phase ratio, at least to hang down about 1/3rd, in a word, waterproof roll ageing-resistant performance, physicals and the processing characteristics that adopts prescription of the present invention and method to obtain is all better and production cost is lower, has good application prospects.
Embodiment
Embodiment 1:
A kind of waterproof product that contains linear low density polyethylene, raw material by following parts by weight is made: octene content is 110 parts of ethene-octene copolymers of 40wt%, cl content is 70 parts of the chlorinatedpolyethylenees of 30wt%, 140 parts of linear low density polyethylenes, 70 parts of treated carbonatess, 65 parts of dioctyl phthalate (DOP)s, 2 parts of phenolic antioxidants, 2 parts of thermo-stabilizers, 2 parts of stearic acid, 1.5 parts of UV light absorber (UV327); Phenolic antioxidant is that 50% phenols primary antioxidant 1010 and 50% phenols auxiliary antioxidant 168 are made by weight ratio, and thermo-stabilizer is that 50% dibasic lead phosphite and 50% lead sulfate tribasic are made by weight ratio.
Preparation contains the method for the waterproof product of linear low density polyethylene, may further comprise the steps: (1) batching: various raw materials are mixed in proportion, stir under the normal temperature; (2) granulation: the compound that stirs is dropped into the closed plastics processing mill, the temperature of closed plastics processing mill is controlled at 150 ℃, and banburying discharging after 10 minutes directly enters twin-roll machine, the roller temperature of twin-roll machine is controlled at 140 ℃, slice when roll spacing is set to 3.5mm, and then through the dicing machine pelletizing; (3) pellet that step (2) obtained drops into that single screw extrusion machine is extruded and through mould molding: the machine barrel top temperature of single screw extrusion machine is that to be controlled at 30 rev/mins, the core temperature of single screw extrusion machine mould be 10 ℃ of the core temperatures that 190 ℃, the both sides temperature of mould are higher than mould for 190 ℃, screw speed; (4) molding mass that step (3) is obtained drops into the roll-in of three rollers coolings embossing machine and goes out the N class and do not have composite bed waterproof roll or the two-sided compound nonwoven cloth type of L class waterproof roll: roller temperature was that 50 ℃, lower roller temperature are that 40 ℃, upper roller temperature are 60 ℃ during the roller temperature of three rollers cooling embossing machine was controlled at; (5) naturally cooling, plant the limit.
Embodiment 2:
A kind of waterproof product that contains linear low density polyethylene, raw material by following parts by weight is made: octene content is 115 parts of ethene-octene copolymers of 35wt%, cl content is 75 parts of the chlorinatedpolyethylenees of 25wt%, 150 parts of linear low density polyethylenes, 100 parts in colloid lime carbonate, 70 parts of clorafins, 2.5 parts of phenolic antioxidants, 2.5 parts of thermo-stabilizers, 2.5 parts in particle paraffin, 1.5 parts of UV light absorber (UV327); Phenolic antioxidant is that 50% phenols primary antioxidant 1010 and 50% phenols auxiliary antioxidant 168 are made by weight ratio, and thermo-stabilizer is that 50% dibasic lead phosphite and 50% lead sulfate tribasic are made by weight ratio.
Preparation contains the method for the waterproof product of linear low density polyethylene, may further comprise the steps: (1) batching: various raw materials are mixed in proportion, stir under the normal temperature; (2) granulation: the compound that stirs is dropped into the closed plastics processing mill, the temperature of closed plastics processing mill is controlled at 170 ℃, and banburying discharging after 15 minutes directly enters twin-roll machine, the roller temperature of twin-roll machine is controlled at 150 ℃, slice when roll spacing is set to 4mm, and then through the dicing machine pelletizing; (3) pellet that step (2) obtained drops into that single screw extrusion machine is extruded and through mould molding: the machine barrel top temperature of single screw extrusion machine is that to be controlled at 40 rev/mins, the core temperature of single screw extrusion machine mould be 15 ℃ of the core temperatures that 220 ℃, the both sides temperature of mould are higher than mould for 200 ℃, screw speed; (4) molding mass that step (3) is obtained drops into the roll-in of three rollers coolings embossing machine and goes out the N class and do not have composite bed waterproof roll or the two-sided compound nonwoven cloth type of L class waterproof roll: roller temperature was that 70 ℃, lower roller temperature are that 60 ℃, upper roller temperature are 80 ℃ during the roller temperature of three rollers cooling embossing machine was controlled at; (5) naturally cooling, plant the limit.
Embodiment 3:
A kind of waterproof product that contains linear low density polyethylene, raw material by following parts by weight is made: octene content is 120 parts of ethene-octene copolymers of 45wt%, cl content is 80 parts of the chlorinatedpolyethylenees of 35wt%, 160 parts of linear low density polyethylenes, 130 parts of treated carbonatess, 70 parts of imitative hydrogen oil, 3 parts of phenolic antioxidants, 3 parts of thermo-stabilizers, 3 parts in particle paraffin, 2 parts of UV light absorber (UV531); Phenolic antioxidant is that 50% phenols primary antioxidant 1010 and 50% phenols auxiliary antioxidant 168 are made by weight ratio, and thermo-stabilizer is that 50% dibasic lead phosphite and 50% lead sulfate tribasic are made by weight ratio.
Preparation contains the method for the waterproof product of linear low density polyethylene, may further comprise the steps: (1) batching: various raw materials are mixed in proportion, stir under the normal temperature; (2) granulation: the compound that stirs is dropped into the closed plastics processing mill, the temperature of closed plastics processing mill is controlled at 170 ℃, and banburying discharging after 10 minutes directly enters twin-roll machine, the roller temperature of twin-roll machine is controlled at 150 ℃, slice when roll spacing is set to 3.5mm, and then through the dicing machine pelletizing; (3) pellet that step (2) obtained drops into that single screw extrusion machine is extruded and through mould molding: the machine barrel top temperature of single screw extrusion machine is that to be controlled at 35 rev/mins, the core temperature of single screw extrusion machine mould be 10 ℃ of the core temperatures that 200 ℃, the both sides temperature of mould are higher than mould for 185 ℃, screw speed; (4) molding mass that step (3) is obtained drops into the roll-in of three rollers coolings embossing machine and goes out the N class and do not have composite bed waterproof roll or the two-sided compound nonwoven cloth type of L class waterproof roll: roller temperature was that 55 ℃, lower roller temperature are that 50 ℃, upper roller temperature are 65 ℃ during the roller temperature of three rollers cooling embossing machine was controlled at; (5) naturally cooling, plant the limit.
Embodiment 4:
A kind of waterproof product that contains linear low density polyethylene, raw material by following parts by weight is made: octene content is 125 parts of ethene-octene copolymers of 40wt%, cl content is 85 parts of the chlorinatedpolyethylenees of 40wt%, 170 parts of linear low density polyethylenes, 160 parts of treated carbonatess, 75 parts of naphthenic oils, 3.5 parts of phenolic antioxidants, 3.5 parts of thermo-stabilizers, 3.5 parts of stearic acid, 2.0 parts of UV light absorber (UV531); Phenolic antioxidant is that 50% phenols primary antioxidant 1010 and 50% phenols auxiliary antioxidant 168 are made by weight ratio, and thermo-stabilizer is that 50% dibasic lead phosphite and 50% lead sulfate tribasic are made by weight ratio.
Preparation contains the method for the waterproof product of linear low density polyethylene, may further comprise the steps: (1) batching: various raw materials are mixed in proportion, stir under the normal temperature; (2) granulation: the compound that stirs is dropped into the closed plastics processing mill, the temperature of closed plastics processing mill is controlled at 165 ℃, banburying discharging after 12 minutes, directly enter twin-roll machine, the roller temperature of twin-roll machine is controlled at 145 ℃, roll spacing slice when being set to 3.5mm～4mm, and then through the dicing machine pelletizing; (3) pellet that step (2) obtained drops into that single screw extrusion machine is extruded and through mould molding: the machine barrel top temperature of single screw extrusion machine is that to be controlled at 38 rev/mins, the core temperature of single screw extrusion machine mould be 14 ℃ of the core temperatures that 210 ℃, the both sides temperature of mould are higher than mould for 195 ℃, screw speed; (4) molding mass that step (3) is obtained drops into the roll-in of three rollers coolings embossing machine and goes out the N class and do not have composite bed waterproof roll or the two-sided compound nonwoven cloth type of L class waterproof roll: roller temperature was that 60 ℃, lower roller temperature are that 55 ℃, upper roller temperature are 75 ℃ during the roller temperature of three rollers cooling embossing machine was controlled at; (5) naturally cooling, plant the limit.
Embodiment 5:
A kind of waterproof product that contains linear low density polyethylene, raw material by following parts by weight is made: octene content is 130 parts of ethene-octene copolymers of 35wt%, cl content is 90 parts of the chlorinatedpolyethylenees of 25wt%, 180 parts of linear low density polyethylenes, 190 parts in colloid lime carbonate, 80 parts of clorafins, 4 parts of phenolic antioxidants, 4 parts of thermo-stabilizers, 4 parts of lubricants, 2.5 parts of UV light absorber (UV327); Phenolic antioxidant is that 50% phenols primary antioxidant 1010 and 50% phenols auxiliary antioxidant 168 are made by weight ratio, and thermo-stabilizer is that 50% dibasic lead phosphite and 50% lead sulfate tribasic are made by weight ratio.
Preparation contains the method for the waterproof product of linear low density polyethylene, may further comprise the steps: (1) batching: various raw materials are mixed in proportion, stir under the normal temperature; (2) granulation: the compound that stirs is dropped into the closed plastics processing mill, the temperature of closed plastics processing mill is controlled at 155 ℃, banburying discharging after 14 minutes, directly enter twin-roll machine, the roller temperature of twin-roll machine is controlled at 147 ℃, roll spacing slice when being set to 3.5mm～4mm, and then through the dicing machine pelletizing; (3) pellet that step (2) obtained drops into that single screw extrusion machine is extruded and through mould molding: the machine barrel top temperature of single screw extrusion machine is that to be controlled at 32 rev/mins, the core temperature of single screw extrusion machine mould be 12 ℃ of the core temperatures that 205 ℃, the both sides temperature of mould are higher than mould for 188 ℃, screw speed; (4) molding mass that step (3) is obtained drops into the roll-in of three rollers coolings embossing machine and goes out the N class and do not have composite bed waterproof roll or the two-sided compound nonwoven cloth type of L class waterproof roll: roller temperature was that 68 ℃, lower roller temperature are that 48 ℃, upper roller temperature are 80 ℃ during the roller temperature of three rollers cooling embossing machine was controlled at; (5) naturally cooling, plant the limit.
Claims (7)
1. waterproof product that contains linear low density polyethylene, it is characterized in that making: 110～130 parts of ethylene-octene copolymers by the raw material of following parts by weight, 70～90 parts of chlorinatedpolyethylenees, 140～180 parts of linear low density polyethylenes are filled 70～190 parts of tougheners, 65～80 parts in softening softening agent, 2～4 parts of phenolic antioxidants, 2～4 parts of thermo-stabilizers, 2～4 parts of lubricants, 1.5～2.5 parts of photostabilizers; Described phenolic antioxidant is that 50% phenols primary antioxidant 1010 and 50% phenols auxiliary antioxidant 168 are made by weight ratio, and described thermo-stabilizer is that 50% dibasic lead phosphite and 50% lead sulfate tribasic are made by weight ratio.
2. a kind of waterproof product that contains linear low density polyethylene according to claim 1 is characterized in that described filling toughener is treated carbonates or colloid lime carbonate.
3. a kind of waterproof product that contains linear low density polyethylene according to claim 1 and 2 is characterized in that described softening softening agent is any one in dioctyl phthalate (DOP), clorafin, imitative hydrogen oil or the naphthenic oil.
4. a kind of waterproof product that contains linear low density polyethylene according to claim 1 and 2 is characterized in that described lubricant is stearic acid or particle paraffin.
5. a kind of waterproof product that contains linear low density polyethylene according to claim 1 and 2 is characterized in that described photostabilizer is UV light absorber UV327 or UV531.
6. a kind of waterproof product that contains linear low density polyethylene according to claim 1 and 2 is characterized in that octene content is 30-50wt% in the described ethylene-octene copolymer, and cl content is 25-45wt% in the chlorinatedpolyethylene.
7. one kind prepares any described method that contains the waterproof product of linear low density polyethylene of claim 1-6, it is characterized in that may further comprise the steps:
(1) batching: various raw materials are mixed in proportion, stir under the normal temperature;
(2) granulation: the compound that stirs is dropped into the closed plastics processing mill, the temperature of closed plastics processing mill is controlled at 150～170 ℃, banburying discharging after 10～15 minutes, directly enter twin-roll machine, the roller temperature of twin-roll machine is controlled at 140～150 ℃, roll spacing slice when being set to 3.5mm～4mm, and then through the dicing machine pelletizing;
(3) pellet that step (2) obtained drops into that single screw extrusion machine is extruded and through mould molding: the machine barrel top temperature of single screw extrusion machine is that to be controlled at 30～40 rev/mins, the core temperature of single screw extrusion machine mould be 10～15 ℃ of the core temperatures that 180～220 ℃, the both sides temperature of mould are higher than mould for 180～200 ℃, screw speed;
(4) molding mass that step (3) is obtained drops into the roll-in of three rollers coolings embossing machine and goes out the N class and do not have composite bed waterproof roll or the two-sided compound nonwoven cloth type of L class waterproof roll: roller temperature was that 50～70 ℃, lower roller temperature are that 40～60 ℃, upper roller temperature are 60～80 ℃ during the roller temperature of three rollers cooling embossing machine was controlled at;
(5) naturally cooling, plant the limit.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104403169A (en) * | 2014-11-24 | 2015-03-11 | 苏州市贝克生物科技有限公司 | Medical LDPE(low-density polyethylene) antibacterial material and preparation method thereof |
| CN106221021A (en) * | 2016-08-24 | 2016-12-14 | 江苏凯伦建材股份有限公司 | A kind of flame-retardant modified TPO waterproof roll and preparation method thereof |
| CN106947152A (en) * | 2016-12-28 | 2017-07-14 | 四川昌晟塬环保科技有限公司 | A kind of unvulcanised thermal weld EPT rubber water-proof coiled material and preparation method thereof |
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| CN101805477B (en) | 2012-05-09 |
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