CN116120657A - Thermoplastic polyolefin waterproof coiled material with barrier property and preparation method thereof - Google Patents
Thermoplastic polyolefin waterproof coiled material with barrier property and preparation method thereof Download PDFInfo
- Publication number
- CN116120657A CN116120657A CN202211688412.XA CN202211688412A CN116120657A CN 116120657 A CN116120657 A CN 116120657A CN 202211688412 A CN202211688412 A CN 202211688412A CN 116120657 A CN116120657 A CN 116120657A
- Authority
- CN
- China
- Prior art keywords
- parts
- thermoplastic polyolefin
- lubricant
- barrier properties
- waterproof roll
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920002397 thermoplastic olefin Polymers 0.000 title claims abstract description 51
- 239000000463 material Substances 0.000 title claims abstract description 41
- 230000004888 barrier function Effects 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000005977 Ethylene Substances 0.000 claims abstract description 20
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 20
- 229920001400 block copolymer Polymers 0.000 claims abstract description 18
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims abstract description 18
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims abstract description 17
- 239000000347 magnesium hydroxide Substances 0.000 claims abstract description 17
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims abstract description 17
- 239000004712 Metallocene polyethylene (PE-MC) Substances 0.000 claims abstract description 16
- 150000001336 alkenes Chemical class 0.000 claims abstract description 16
- 239000000314 lubricant Substances 0.000 claims abstract description 16
- 229920001577 copolymer Polymers 0.000 claims abstract description 15
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 14
- 239000004840 adhesive resin Substances 0.000 claims abstract description 13
- 229920006223 adhesive resin Polymers 0.000 claims abstract description 13
- 229920001971 elastomer Polymers 0.000 claims abstract description 13
- 239000004611 light stabiliser Substances 0.000 claims abstract description 13
- 239000010949 copper Substances 0.000 claims abstract description 12
- 229910052802 copper Inorganic materials 0.000 claims abstract description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000003112 inhibitor Substances 0.000 claims abstract description 10
- 239000007822 coupling agent Substances 0.000 claims abstract description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000001301 oxygen Substances 0.000 claims abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 7
- 239000000806 elastomer Substances 0.000 claims abstract description 6
- 235000010215 titanium dioxide Nutrition 0.000 claims abstract description 6
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 14
- 239000000155 melt Substances 0.000 claims description 13
- 239000002994 raw material Substances 0.000 claims description 9
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical group CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 229920001684 low density polyethylene Polymers 0.000 claims description 3
- 239000004702 low-density polyethylene Substances 0.000 claims description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 3
- 229920001910 maleic anhydride grafted polyolefin Polymers 0.000 claims description 3
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 3
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000010008 shearing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 229920001169 thermoplastic Polymers 0.000 claims description 2
- 239000004416 thermosoftening plastic Substances 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims 1
- 238000001556 precipitation Methods 0.000 claims 1
- 238000004078 waterproofing Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 9
- 230000032683 aging Effects 0.000 abstract description 5
- -1 vinyl olefin Chemical class 0.000 abstract description 4
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 abstract description 2
- 229920000034 Plastomer Polymers 0.000 abstract description 2
- 239000004698 Polyethylene Substances 0.000 abstract description 2
- 229920000573 polyethylene Polymers 0.000 abstract description 2
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 abstract description 2
- 229920002554 vinyl polymer Polymers 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 13
- 239000000203 mixture Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 239000006087 Silane Coupling Agent Substances 0.000 description 6
- 239000006096 absorbing agent Substances 0.000 description 6
- 238000009472 formulation Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 150000004645 aluminates Chemical class 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000001805 chlorine compounds Chemical group 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000013022 formulation composition Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/14—Gas barrier composition
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a thermoplastic polyolefin waterproof coiled material with barrier property and a preparation method thereof, wherein the thermoplastic polyolefin waterproof coiled material comprises the following components in parts by mass: olefin block copolymer: 20-100 parts of a lubricant; thermoplastic polyolefin: 20-80 parts of a lubricant; metallocene polyethylene: 10-60 parts of a lubricant; ethylene and vinyl alcohol copolymers: 1-33 parts; adhesive resin: 1-30 parts; magnesium hydroxide: 100-300 parts of a lubricant; antioxidant: 0.1-5 parts; light stabilizers: 0.1-5 parts; titanium white powder: 1-30 parts; ultraviolet absorber: 0.1-5 parts; copper inhibitor: 0.1-3 parts; coupling agent: 0.1-5 parts. The invention adopts olefin block copolymerizationThe OBC material, the high rubber content thermoplastic polyolefin as the main component and the metallocene polyethylene plastomer as the main components, so that the ageing resistance of the material is better than that of the propenyl elastomer; the copolymer of ethylene and vinyl alcohol with excellent barrier property is introduced into the formula system, so that the copolymer can be fused with the vinyl olefin block copolymer and polyethylene, and can provide good oxygen and oil resistance 。
Description
Technical Field
The invention relates to the technical field of waterproof coiled material processing, in particular to a thermoplastic polyolefin waterproof coiled material with barrier property and a preparation method thereof.
Background
A Thermoplastic Polyolefin (TPO) waterproof roll, which is a rubber plastic blending type high polymer waterproof roll with excellent ageing resistance and very soft; along with the development of technology, more and more thermoplastic polyolefin waterproof coiled materials can be compounded with other waterproof coiled materials (modified asphalt, high polymer hot-melt pressure-sensitive adhesives or butyl adhesives) with self-adhesion capability to form coiled materials or used with paint to form a 'coil' composite waterproof system;
the rubber phase molecules in the TPO coiled material are mostly in an amorphous form, and the formula in the self-adhesive coiled material contains a plurality of small molecular oil components, so that the small molecular oil components can enter the TPO sheet material through diffusion action in the production or use process of the coiled material, and the performance of the TPO sheet material and the self-adhesive layer can be simultaneously deteriorated, and if the effect is not treated, the effect can be increased along with the extension of time;
in order to solve the problems, the conventional treatment method is to cover the surface of the coiled material with a film having barrier property, and the treatment method has the advantages of being quick and convenient in production, but has the problems in the practical use process that the barrier layer of the material is broken due to high-temperature melt extrusion, mechanical traction and stretching action or mechanical damage in the film thermal compounding process in the production process, so that the oil-blocking capacity of the material is affected, and once the barrier layer is broken, the oil can be diffused into the material body, so that the material performance is deteriorated, and the service life of the material is reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a thermoplastic polyolefin waterproof coiled material with barrier property, and solves the problems in the background art.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the thermoplastic polyolefin waterproof coiled material with barrier property comprises the following components in parts by mass:
olefin block copolymer: 20-100 parts of a lubricant;
thermoplastic polyolefin: 20-80 parts of a lubricant;
metallocene polyethylene: 10-60 parts of a lubricant;
ethylene and vinyl alcohol copolymers: 1-33 parts;
adhesive resin: 1-30 parts;
magnesium hydroxide: 100-300 parts of a lubricant;
antioxidant: 0.1-5 parts;
light stabilizers: 0.1-5 parts;
titanium white powder: 1-30 parts;
ultraviolet absorber: 0.1-5 parts;
copper inhibitor: 0.1-3 parts;
coupling agent: 0.1-5 parts.
Further, the olefin block copolymer: the weight average molecular weight is 10000-300000, the comonomer is octene, the content is 11-33%, and the melt index is 0.2-3.0g/10min.
Further, the thermoplastic polyolefin: a copolymer of thermoplastic ethylene and propylene having a weight average molecular weight of 50000-25000, a rubber phase content of 55-85% and a melt index of 0.4-4.0g/10min;
further, the metallocene polyethylene: the comonomer is hexene with the content of 5-25%; molecular weight 50000-240000; melt index of 0.3-3.0g/10min.
Further, the ethylene and vinyl alcohol copolymer: the ethylene comonomer content is 1-50%; density: 1.00-1.20g/cm < 3 >, the melt index is 0.5-4.0g/10min, the oxygen transmission rate is 0.001-2.0[ mol/(. Multidot.s.Pa) ], and the water vapor transmission rate is 10-300 g/square meter/day;
further, the adhesive resin is maleic anhydride grafted low density polyethylene or maleic anhydride grafted polyolefin elastomer, and the grafting rate is 0.5-1.5%.
Further, the magnesium hydroxide is precipitated magnesium hydroxide, and d50 μm ranges from 1.10 to 1.80.
Further, the antioxidant is a compound of hindered phenol antioxidants and phosphite antioxidants, and the proportion is 2:1 or 1:1.
the preparation method of the thermoplastic polyolefin waterproof coiled material with barrier property comprises the following steps:
s1, measuring each raw material through a weightlessness scale;
s2, adding the raw materials into a parallel co-directional double-screw extruder; maintaining the rotating speed at 500-600RPM, setting the temperature at 190-230 ℃ and extruding the melt pressure at 3-5MPa;
s3, obtaining a uniform melt after high-speed shearing plasticization of each raw material by a double-screw extruder;
s4, rolling, cooling and shaping the melt through a three-roller calendar;
s5, controlling the thickness of the coiled material to be 1.20 plus or minus 0.02mm.
Further, the twin-screw extrusion temperature is set to 190-240 ℃, and the extrusion melt pressure is 2.0-5.0MPa.
The invention provides a thermoplastic polyolefin waterproof coiled material with barrier property. Compared with the prior art, the method has the following beneficial effects:
1. the olefin block copolymer OBC and the thermoplastic polyolefin with high rubber content are adopted as main components, and the metallocene polyethylene plastomer is adopted, so that the ageing resistance of the material is better than that of the propenyl elastomer;
2. the copolymer of ethylene and vinyl alcohol with excellent barrier property is introduced into the formula system, so that the copolymer can be fused with the vinyl olefin block copolymer and the polyethylene, and good oxygen and oil resistance can be provided, and the problem of migration of small molecular oil when the TPO material is compounded with a self-adhesive coiled material containing small molecular oil or is compounded with other oil-containing paint can be solved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a schematic diagram of the preparation flow of the thermoplastic polyolefin waterproof roll with barrier property.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to solve the technical problems in the background technology, the following thermoplastic polyolefin waterproof coiled material with barrier property is provided:
the thermoplastic polyolefin waterproof coiled material with barrier property provided by the invention is prepared by blending and modifying the following materials: an olefin block copolymer; a second thermoplastic polyolefin; metallocene polyethylene; ethylene and vinyl alcohol copolymers; a binder resin; magnesium hydroxide; an antioxidant; a light stabilizer; titanium white powder; an ultraviolet absorber; an anti-copper agent; a coupling agent. The formula comprises the following components in parts by weight: olefin block copolymer: 20-100 parts of a lubricant; thermoplastic polyolefin: 20-80 parts of a lubricant; metallocene polyethylene: 10-60 parts of a lubricant; ethylene and vinyl alcohol copolymers: 1-33 parts; adhesive resin: 1-30 parts; magnesium hydroxide: 100-300 parts of a lubricant; antioxidant: 0.1-5 parts; light stabilizers: 0.1-5 parts; titanium white powder: 1-30 parts; ultraviolet absorber: 0.1-5 parts; copper inhibitor: 0.1-3 parts; coupling agent (silane KH550-11 or aluminate coupling agent DL 411): 0.1-5 parts.
Preferably, the olefin block copolymer is a block copolymer of ethylene and 1-octene, and the soft and hard adjustment is realized by adjusting the proportion of the ethylene and the 1-octene in the production process of polymerization reaction, so that the novel thermoplastic polyolefin is produced. The weight average molecular weight is 80000-300000, the content of comonomer 1-octene is 11-33%, and the melt index is 0.4-2.0g/10min (190 ℃,2.16 kg).
Preferably, the thermoplastic polyolefin is one produced by "reactor blending" ethylene and propylene, wherein the weight average molecular weight is 50000-25000, the rubber phase content is 60-85%, and the melt index is 0.4-4.0g/10min (230 ℃,2.16 kg).
Preferably, the metallocene polyethylene has a comonomer of hexene, the content of which is 5-25%; molecular weight 50000-240000; melt index 0.3-3.0g/10min (190 ℃,2.16 kg);
preferably, ethylene and vinyl alcohol copolymers wherein the ethylene comonomer content is from 1 to 50%; density: 1.00-1.20g/cm3, the melt index is 0.5-4.0g/10min (190 ℃ C. 2.16 kg), the oxygen permeability is 0.001-2.0[ mol/(. Multidot.s.Pa) ], and the water vapor permeability is 10-300 g/square meter/day.
Preferably, the adhesive resin is maleic anhydride grafted low density polyethylene or maleic anhydride grafted polyolefin elastomer, and the grafting rate is 0.5-1.5%;
preferably, the magnesium hydroxide is precipitated magnesium hydroxide having a d50 μm in the range of 1.10 to 1.80.
Preferably, the antioxidant is a compound of hindered phenol antioxidants and phosphite antioxidants, and the proportion is 2:1 or 1:1, a step of;
preferably, the light stabilizer is a hindered amine light stabilizer C2020;
preferably, the titanium dioxide is chloride process rutile titanium dioxide R105 or 2220 coated with silicon dioxide and aluminum oxide films on the surface;
preferably, the ultraviolet absorber: UV326, UV327 and UV329;
preferably, the anti-copper agent is MD1024;
preferably, the coupling agent is silane KH550 or KH570; or an aluminate coupling agent DL411.
Thermoplastic polyolefin waterproof rolls having barrier properties, exemplary, have the following examples:
example 1:
first, 52 parts of olefin block copolymer and 100 parts of second thermoplastic polyolefin; 15 parts of metallocene polyethylene and 20 parts of ethylene-vinyl alcohol copolymer; 10 parts of adhesive resin; 200 parts of magnesium hydroxide; 5 parts of an antioxidant; light stabilizer C202015 parts; rutile titanium dioxide R105; UV absorber UV 3264; 10243 parts of copper inhibitor MD; 5505 parts of silane coupling agent KH.
The test formulation is shown in Table 1 and the test results are shown in Table 2.
Example 2:
first 60 parts of olefin block copolymer and 93 parts of second thermoplastic polyolefin; 25 parts of metallocene polyethylene and 22 parts of ethylene-vinyl alcohol copolymer; 10 parts of adhesive resin; 200 parts of magnesium hydroxide; 5 parts of an antioxidant; light stabilizer C202015 parts; rutile titanium dioxide R105; UV absorber UV 3264; 10243 parts of copper inhibitor MD; 5505 parts of silane coupling agent KH.
The test formulation is shown in Table 1 and the test results are shown in Table 2.
Example 3:
first 70 parts of olefin block copolymer and 80 parts of second thermoplastic polyolefin; 35 parts of metallocene polyethylene and 24 parts of ethylene and vinyl alcohol copolymer; 10 parts of adhesive resin; 200 parts of magnesium hydroxide; 5 parts of an antioxidant; light stabilizer C202015 parts; rutile titanium dioxide R105; UV absorber UV 3264; 10243 parts of copper inhibitor MD; 5505 parts of silane coupling agent KH.
The test formulation is shown in Table 1 and the test results are shown in Table 2.
Example 4:
first 80 parts of olefin block copolymer and 70 parts of second thermoplastic polyolefin; 45 parts of metallocene polyethylene and 26 parts of ethylene and vinyl alcohol copolymer; 10 parts of adhesive resin; 200 parts of magnesium hydroxide; 5 parts of an antioxidant; light stabilizer C202015 parts; rutile titanium dioxide R105; UV absorber UV 3264; 10243 parts of copper inhibitor MD; 5505 parts of silane coupling agent KH.
The test formulation is shown in Table 1 and the test results are shown in Table 2.
Example 5:
first 90 parts of olefin block copolymer and 65 parts of second thermoplastic polyolefin; 55 parts of metallocene polyethylene and 28 parts of ethylene-vinyl alcohol copolymer; 10 parts of adhesive resin; 200 parts of magnesium hydroxide; 5 parts of an antioxidant; light stabilizer C202015 parts; rutile titanium dioxide R105; UV absorber UV 3264; 10243 parts of copper inhibitor MD; 5505 parts of silane coupling agent KH.
The test formulation is shown in Table 1 and the test results are shown in Table 2.
Example 6:
first, 100 parts of olefin block copolymer and 55 parts of second thermoplastic polyolefin; 55 parts of metallocene polyethylene and 30 parts of ethylene-vinyl alcohol copolymer; 10 parts of adhesive resin; 200 parts of magnesium hydroxide; 5 parts of an antioxidant; light stabilizer C202015 parts; rutile titanium dioxide R105; UV absorber UV 3264; 10243 parts of copper inhibitor MD; 5505 parts of silane coupling agent KH.
The test formulation is shown in Table 1 and the test results are shown in Table 2.
TABLE 1 example formulation composition
TABLE 2 results of example Performance test
As can be seen from the test values in Table 2, the thermoplastic polyolefin waterproof coiled material with barrier property prepared by the invention has the basic mechanical properties reaching the requirements of GB 27789-2011, the oxygen transmittance at a low level and the ageing resistance reaching the requirements of ASTM D6878, the artificial climate accelerated ageing resistance reaching 10000h, and is a product with excellent performance, wherein the thermoplastic polyolefin waterproof coiled material is at a performance leading level in the same type of products and has the oxygen barrier and oil separation capability which is not possessed by common materials.
In order to prepare the elastomer modified thermoplastic polyolefin waterproof coiled material with barrier property, the following preparation method is provided:
s1, measuring each raw material through a weightlessness scale;
s2, adding the raw materials into a parallel co-directional double-screw extruder; maintaining the rotating speed at 500-600RPM, setting the temperature at 190-230 ℃ and extruding the melt pressure at 3MPa;
s3, all the raw materials are subjected to high-speed shearing and mixing effects of a double-screw extruder, so that a plasticized mixture is obtained;
s4, rolling the plasticized mixture through a three-roller calender to form a primary coiled material;
s5, preparing the preliminary coiled material into a uniform thermoplastic polyolefin waterproof coiled material through a cooling setting machine, wherein the thickness is controlled to be 1.20+/-0.02 mm.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. Thermoplastic polyolefin waterproofing membrane with barrier property, its characterized in that: the formula comprises the following components in parts by weight:
olefin block copolymer: 20-100 parts of a lubricant;
thermoplastic polyolefin: 20-80 parts of a lubricant;
metallocene polyethylene: 10-60 parts of a lubricant;
ethylene and vinyl alcohol copolymers: 1-33 parts;
adhesive resin: 1-30 parts;
magnesium hydroxide: 100-300 parts of a lubricant;
antioxidant: 0.1-5 parts;
light stabilizers: 0.1-5 parts;
titanium white powder: 1-30 parts;
ultraviolet absorber: 0.1-5 parts;
copper inhibitor: 0.1-3 parts;
coupling agent: 0.1-5 parts.
2. The thermoplastic polyolefin waterproof roll having barrier properties according to claim 1, wherein: the olefin block copolymer: the weight average molecular weight is 10000-300000, the comonomer is octene, the content is 11-33%, and the melt index is 0.2-3.0g/10min.
3. The thermoplastic polyolefin waterproof roll having barrier properties according to claim 1, wherein: the thermoplastic polyolefin: the thermoplastic copolymer of ethylene and propylene has weight average molecular weight of 50000-25000, rubber phase content of 55-85% and melt index of 0.4-4.0g/10min.
4. The thermoplastic polyolefin waterproof roll having barrier properties according to claim 1, wherein: the metallocene polyethylene: the comonomer is hexene with the content of 5-25%; molecular weight 50000-240000; melt index of 0.3-3.0g/10min.
5. The thermoplastic polyolefin waterproof roll having barrier properties according to claim 1, wherein: the ethylene and vinyl alcohol copolymer: the ethylene comonomer content is 1-50%; density: 1.00-1.20g/cm < 3 >, the melt index is 0.5-4.0g/10min, the oxygen transmission rate is 0.001-2.0[ mol/(. Multidot.s.Pa) ], and the water vapor transmission rate is 10-300 g/. Multidot.day.
6. The thermoplastic polyolefin waterproof roll having barrier properties according to claim 1, wherein: the adhesive resin is maleic anhydride grafted low-density polyethylene or maleic anhydride grafted polyolefin elastomer, and the grafting rate is 0.5-1.5%.
7. The thermoplastic polyolefin waterproof roll having barrier properties according to claim 1, wherein: the magnesium hydroxide is magnesium hydroxide by a precipitation method, and the d50 mu m range is 1.10-1.80.
8. The thermoplastic polyolefin waterproof roll having barrier properties according to claim 1, wherein: the antioxidant is a compound of hindered phenol antioxidants and phosphite antioxidants, and the proportion is 2:1 or 1:1.
9. the method for producing a thermoplastic polyolefin waterproof roll having barrier properties according to claim 1, wherein: the preparation method comprises the following steps:
s1, metering each raw material according to claim 1 through weightlessness;
s2, adding the raw materials into a parallel co-directional double-screw extruder; maintaining the rotating speed at 500-600RPM, setting the temperature at 190-230 ℃ and extruding the melt pressure at 3-5MPa;
s3, obtaining a uniform melt after high-speed shearing plasticization of each raw material by a double-screw extruder;
s4, rolling, cooling and shaping the melt through a three-roller calendar;
s5, controlling the thickness of the coiled material to be 1.20 plus or minus 0.02mm.
10. The method for producing a thermoplastic polyolefin waterproof roll having barrier properties according to claim 1, wherein: the extrusion temperature of the twin screw is set to 190-240 ℃, and the extrusion melt pressure is 2.0-5.0MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211688412.XA CN116120657A (en) | 2022-12-27 | 2022-12-27 | Thermoplastic polyolefin waterproof coiled material with barrier property and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211688412.XA CN116120657A (en) | 2022-12-27 | 2022-12-27 | Thermoplastic polyolefin waterproof coiled material with barrier property and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116120657A true CN116120657A (en) | 2023-05-16 |
Family
ID=86307282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211688412.XA Pending CN116120657A (en) | 2022-12-27 | 2022-12-27 | Thermoplastic polyolefin waterproof coiled material with barrier property and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116120657A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117400611A (en) * | 2023-09-28 | 2024-01-16 | 科顺防水科技股份有限公司 | Thermoplastic polyolefin waterproof coiled material and preparation method and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107973993A (en) * | 2017-11-02 | 2018-05-01 | 广州大禹防漏技术开发有限公司 | A kind of ageing-resistant easily welding thermoplastic polyolefin water-proof coiled material and preparation method thereof |
-
2022
- 2022-12-27 CN CN202211688412.XA patent/CN116120657A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107973993A (en) * | 2017-11-02 | 2018-05-01 | 广州大禹防漏技术开发有限公司 | A kind of ageing-resistant easily welding thermoplastic polyolefin water-proof coiled material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117400611A (en) * | 2023-09-28 | 2024-01-16 | 科顺防水科技股份有限公司 | Thermoplastic polyolefin waterproof coiled material and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20100042269A (en) | Polyethylene films | |
| WO2012170526A1 (en) | Improved resin compositions for extrusion coating | |
| CN116120657A (en) | Thermoplastic polyolefin waterproof coiled material with barrier property and preparation method thereof | |
| CN111423647B (en) | Biaxially oriented polyethylene soft surface matte film composition, film and application thereof | |
| US5344714A (en) | LLDPE composite film free of melt fracture | |
| CN113910729B (en) | High-heat-seal-strength biaxially oriented polypropylene high-barrier coating film and preparation method thereof | |
| WO2005028553A1 (en) | Resin composition and stretched film obtained by using the same | |
| WO1983000490A1 (en) | Two-component polyethylene extrusion coating blends | |
| JP4392859B2 (en) | Laminated film and method for producing the same | |
| KR100843610B1 (en) | Olefin-based thermoplastic resin composition having good calender processing properties | |
| KR101664584B1 (en) | Manufacturing method of polypropylene resin composition for higher shrinkage film | |
| KR101487878B1 (en) | Composition of heat-resistant polyolefine of nano-treatment for packaging new retort food and film for packaging of food therefrom | |
| KR20010072727A (en) | Blends containing linear low density polyethylene, high density polyethylene, and low density polyethylene particularly suitable for extrusion coating and films | |
| KR101909577B1 (en) | Manufacturing method of polypropylene composition for higher transparency, softness and shrinkage | |
| CN115612138A (en) | High-barrier film, sheet or container and preparation method thereof | |
| CN115847976A (en) | Ultrahigh-gloss ultralow-haze blow molding PE film and preparation process thereof | |
| US6827807B2 (en) | Process for producing multilayer structures having a layer formed from a blend of an ethylene-alpha-olefin interpolymer and an ethylene-alkyl acrylate interpolymer | |
| KR20180069585A (en) | Thermoplastic resin blend composition | |
| JP7176358B2 (en) | Polyolefin resin composition | |
| US20200079062A1 (en) | Film composition for paper thermal lamination application | |
| CN115433406B (en) | Thermoplastic polyolefin waterproof coiled material base film composition, thermoplastic polyolefin waterproof coiled material base film, and preparation method and application thereof | |
| KR102620810B1 (en) | Biaxially Oriented High-density Polyethylene Film with an Excellent Heat-Sealable and Method for Manufacturing by Thereof | |
| CN117467083B (en) | Compatilizer and preparation method thereof, composition for waterproof coiled material, waterproof coiled material and preparation method and application thereof | |
| CN114013076B (en) | Preparation method of biaxially oriented polypropylene polyvinyl alcohol coating film with high heat seal strength | |
| CN117261386B (en) | Cross-linked modified POF heat-shrinkable film and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |