阅读说明：本技术 一种可粘结的tpo防水卷材、其制备方法及应用 (Bondable TPO waterproof coiled material, and preparation method and application thereof ) 是由 田继斌 于 2020-12-26 设计创作，主要内容包括：本发明提供一种可粘结的TPO防水卷材,包括依次接触的TPO上层、聚酯网格布、TPO下层、胶粘层和可粘结层；所述胶粘层包括马来酸酐接枝聚合物、氯化聚烯烃、乙烯丙烯酸类共聚物和乙烯丙烯酸类离子聚合物中的一种或几种；所述可粘结层包括含羟基或胺基的聚合物。本发明通过多层复合工艺使的TPO防水卷材的最下层具有极性,可以聚氨酯胶粘剂很好的粘结,粘结牢靠,并且可粘结层可以和聚氨酯中的NCO反应结合,粘结强度更高,本发明中可粘结的TPO防水卷材可以与聚氨酯胶粘剂形成“皮肤式”防水效果。避免了机械固定打钉造成的漏水隐患,使用寿命更长,防水更有保障。本发明还提供了一种可粘结的TPO防水卷材的制备方法及应用。(The invention provides a bondable TPO waterproof coiled material which comprises a TPO upper layer, a polyester mesh cloth, a TPO lower layer, an adhesive layer and a bondable layer which are sequentially contacted; the adhesive layer comprises one or more of maleic anhydride grafted polymer, chlorinated polyolefin, ethylene acrylic acid copolymer and ethylene acrylic acid ionic polymer; the bondable layer includes a polymer containing hydroxyl or amine groups. The invention makes the lowest layer of TPO waterproof coiled material have polarity through multilayer composite technology, which can be well bonded by polyurethane adhesive, the bonding is firm, and the bondable layer can be combined with NCO reaction in polyurethane, the bonding strength is higher, the bondable TPO waterproof coiled material can form 'skin type' waterproof effect with polyurethane adhesive. The hidden trouble of leaking that mechanical fixation nailing caused has been avoided, and life is longer, and waterproof is more guaranteed. The invention also provides a preparation method and application of the bondable TPO waterproof roll.)

1. A bondable TPO waterproof coiled material comprises a TPO upper layer, a polyester mesh cloth, a TPO lower layer, an adhesive layer and a bondable layer which are sequentially contacted;

the adhesive layer comprises one or more of maleic anhydride grafted polymer, chlorinated polyolefin, ethylene acrylic acid copolymer and ethylene acrylic acid ionic polymer;

the bondable layer includes a polymer containing hydroxyl or amine groups.

2. A bondable TPO waterproofing membrane according to claim 1, wherein said bondable layer is one or more of an ethylene acrylic copolymer, an ethylene vinyl alcohol copolymer, a thermoplastic polyester and a thermoplastic polyurethane.

3. A bondable TPO waterproofing membrane according to claim 1, wherein said TPO upper layer comprises the following components in parts by mass:

olefin copolymer: 30 to 70 percent

Styrenic block copolymers: 5 to 30 percent

EPDM/PP type thermoplastic dynamic vulcanizate: 10 to 30 percent

Talc powder: 3 to 15 percent of

Light stabilizer: 0.5 to 2 percent

Antioxidant: 0.1 to 2 percent

Antibacterial agents: 0.1 to 2 percent

Colorant: 0.1 to 1 percent.

4. A bondable TPO waterproofing membrane according to claim 1, wherein said TPO lower layer comprises the following components in mass fractions:

olefin copolymer: 30 to 70 percent

Styrenic block copolymers: 5 to 30 percent

EPDM/PP type thermoplastic dynamic vulcanizate: 10 to 30 percent

Talc powder: 3 to 15 percent of

Antioxidant: 0.1 to 2 percent

Antibacterial agents: 0.1 to 2 percent

Colorant: 0.1 to 1 percent.

5. A bondable TPO waterproofing membrane according to claim 3, wherein said light stabilizer comprises an organic light stabilizer and an inorganic uv absorber.

6. A bondable TPO waterproofing membrane according to claim 3 or 4, wherein said antioxidant comprises hindered phenol antioxidant, hydroxylamine antioxidant and phosphite antioxidant.

7. The TPO waterproof coiled material of claim 1, wherein the thickness of the TPO coiled material is 1.2-2 mm, wherein the thickness of the TPO upper layer is 0.4-0.8 mm, the thickness of the TPO lower layer is 0.6-1.5 mm, the adhesive layer is 0.05-0.1 mm, and the adhesive layer is 0.05-0.1 mm.

8. A method for preparing a bondable TPO waterproof roll according to any one of claims 1 to 7, comprising the following steps:

melting and extruding the upper TPO layer, melting and co-extruding the polyester mesh cloth, the lower TPO layer, the adhesive layer and the bondable layer, and simultaneously rolling and forming by three rollers to obtain a bondable TPO waterproof coiled material;

or

Preparing TPO coiled material with three-layer structure of TPO upper layer, polyester mesh cloth and TPO lower layer which are contacted in sequence in advance through calendaring and compounding,

and compounding the TPO coiled material, the adhesive layer and the bondable layer together through a three-roll calender to form the bondable TPO waterproof coiled material with a five-layer structure.

9. The use of the bondable TPO waterproof roll according to any one of claims 1 to 7, wherein the bondable TPO waterproof roll is bonded and fixed with a polyurethane adhesive coated on the surface of a substrate through an adhesive layer.

Technical Field

The invention belongs to the technical field of high polymer materials, and particularly relates to a bondable TPO waterproof roll, and a preparation method and application thereof.

Background

TPO waterproofing membrane is thermoplastic polyolefin waterproofing membrane, is with adopting advanced polymerization technique to combine together ethylene propylene rubber and polypropylene Thermoplastic Polyolefin (TPO) synthetic resin as the base stock, adds the novel waterproofing membrane that antioxidant, antiager, softener were made, can make enhancement mode waterproofing membrane with polyester fiber net check cloth as inside reinforcing material, belongs to synthetic polymer waterproofing membrane class waterproof product.

The TPO waterproof coiled material integrates the performance advantages of EPDM and PVC, and has the weather resistance, low-temperature flexibility and weldability of the latter. The material is different from the traditional plastic, shows high elasticity of rubber at normal temperature, and can be molded like plastic at high temperature. Therefore, the material has good processing performance and mechanical property, and has high-strength welding performance. And after a layer of polyester fiber fabric is additionally arranged between two layers of TPO materials, the physical properties of the TPO materials can be enhanced, and the breaking strength, fatigue resistance and puncture resistance of the TPO materials can be improved.

The TPO waterproof coiled material is a novel high-molecular waterproof coiled material which is newly developed recently, has the characteristics of light weight, no plasticizer, white reduction of the temperature of a roof, good flexibility, low-temperature flexibility reaching-40 ℃, aging resistance, long service life and the like, and has the comprehensive characteristics of aging resistance, high tensile strength, large elongation, capability of constructing a damp roof, no need of a protective layer for exposure, convenience for construction, no pollution and the like in practical application, and is very suitable for being used as a waterproof layer of a light energy-saving roof.

Adopt mechanical fastening to fix TPO waterproofing membrane on the roofing usually, need the nailing to cause the destruction to the TPO coiled material, have the hidden danger of leaking after the coiled material scurries the thorn. And some concrete roofs and even some steel roof structures are not suitable for mechanical fixation, polyolefin belongs to a difficult-to-adhere material, and the adhesive is difficult to meet the requirements.

Disclosure of Invention

The invention aims to provide a bondable TPO waterproof coiled material, a preparation method and application.

The invention provides a bondable TPO waterproof coiled material which comprises a TPO upper layer, a polyester mesh cloth, a TPO lower layer, an adhesive layer and a bondable layer which are sequentially contacted;

the adhesive layer comprises one or more of maleic anhydride grafted polymer, chlorinated polyolefin, ethylene acrylic acid copolymer and ethylene acrylic acid ionic polymer;

the bondable layer includes a polymer containing hydroxyl or amine groups.

Preferably, the bondable layer is one or more of an ethylene acrylic acid copolymer, an ethylene vinyl alcohol copolymer, a thermoplastic polyester and a thermoplastic polyurethane.

Preferably, the TPO upper layer comprises the following components in parts by mass:

olefin copolymer: 30 to 70 percent

Styrenic block copolymers: 5 to 30 percent

EPDM/PP type thermoplastic dynamic vulcanizate: 10 to 30 percent

Talc powder: 3 to 15 percent of

Light stabilizer: 0.5 to 2 percent

Antioxidant: 0.1 to 2 percent

Antibacterial agents: 0.1 to 2 percent

Colorant: 0.1 to 1 percent.

Preferably, the TPO lower layer comprises the following components in parts by mass:

olefin copolymer: 30 to 70 percent

Styrenic block copolymers: 5 to 30 percent

EPDM/PP type thermoplastic dynamic vulcanizate: 10 to 30 percent

Talc powder: 3 to 15 percent of

Antioxidant: 0.1 to 2 percent

Antibacterial agents: 0.1 to 2 percent

Colorant: 0.1 to 1 percent.

Preferably, the light stabilizer includes an organic light stabilizer and an inorganic ultraviolet absorber.

Preferably, the antioxidant includes hindered phenol antioxidant, hydroxylamine antioxidant and phosphite antioxidant.

Preferably, TPO coiled material thickness is 1.2 ~ 2mm, and wherein, TPO upper strata thickness is 0.4 ~ 0.8mm, TPO lower floor 0.6 ~ 1.5mm, adhesive layer 0.05 ~ 0.1mm, but tie coat 0.05 ~ 0.1 mm.

The present invention provides a method for preparing a bondable TPO waterproofing membrane as described above, comprising the steps of:

melting and extruding the upper TPO layer, melting and co-extruding the polyester mesh cloth, the lower TPO layer, the adhesive layer and the bondable layer, and simultaneously rolling and forming by three rollers to obtain a bondable TPO waterproof coiled material;

or

Preparing TPO coiled material with three-layer structure of TPO upper layer, polyester mesh cloth and TPO lower layer which are contacted in sequence in advance through calendaring and compounding,

and compounding the TPO coiled material, the adhesive layer and the bondable layer together through a three-roll calender to form the bondable TPO waterproof coiled material with a five-layer structure.

The invention provides application of the bondable TPO waterproof roll, which is characterized in that the bondable TPO waterproof roll is bonded and fixed with a polyurethane adhesive coated on the surface of a substrate through an adhesive layer.

The invention provides a bondable TPO waterproof coiled material which comprises a TPO upper layer, a polyester mesh cloth, a TPO lower layer, an adhesive layer and a bondable layer which are sequentially contacted; the adhesive layer comprises one or more of maleic anhydride grafted polymer, chlorinated polyolefin, ethylene acrylic acid copolymer and ethylene acrylic acid ionic polymer; the bondable layer includes a polymer containing hydroxyl or amine groups. The invention makes the lowest layer of TPO waterproof coiled material have polarity through multilayer composite technology, can be well bonded by polyurethane adhesive, the bonding is firm, and the bondable layer can be combined with NCO reaction in polyurethane, the bonding strength is higher, the effect is better, the bondable TPO waterproof coiled material in the invention can form 'skin type' waterproof effect with polyurethane adhesive. The hidden trouble of leaking that mechanical fixation nailing caused has been avoided, and life is longer, and waterproof is more guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic structural view of an adhesive TPO waterproof roll in the invention;

1 is TPO upper strata, 2 is polyester net cloth, 3 is TPO lower floor, 4 is the adhesive layer, and 5 is the adhesive layer.

Detailed Description

The invention provides a bondable TPO waterproof coiled material which comprises a TPO upper layer, a polyester mesh cloth, a TPO lower layer, an adhesive layer and a bondable layer which are sequentially contacted;

the adhesive layer comprises one or more of maleic anhydride grafted polymer, chlorinated polyolefin, ethylene acrylic acid copolymer and ethylene acrylic acid ionic polymer;

the bondable layer includes a hydroxyl-containing compound.

The TPO waterproof coiled material in the prior art has a three-layer structure, the TPO lower layer at the outermost layer is difficult to be adhered and fixed on the surface of a substrate by using a common adhesive such as a polyurethane adhesive, the invention realizes adhesive fixation by using an adhesive layer of a polymer containing hydroxyl or amino to react and adhere with the polyurethane adhesive, however, TPO is a polypropylene elastomer, is a non-polar polymer, and has the same bonding compatibility problem with the bondable layer of hydroxyl-containing or amine-containing polymer (such as thermoplastic polyester, EVOH or other polar polymer), and usually, the TPO and the hydroxyl-containing compound layer such as EVOH and thermoplastic polyester are difficult to compound by thermal compounding, aiming at the problem, the invention arranges a transition adhesive layer between the lower layer of TPO and the bondable layer, the TPO and the bondable layer can be secured together by conventional means such as coextrusion using an adhesive layer.

In the invention, the TPO upper layer comprises the following components in percentage by mass:

olefin copolymer: 30 to 70 percent

Styrenic block copolymers: 5 to 30 percent

EPDM/PP type thermoplastic dynamic vulcanizate: 10 to 30 percent

Talc powder: 15 to 30 percent

Light stabilizer: 0.5 to 2 percent

Antioxidant: 0.1 to 2 percent

Antibacterial agents: 0.1 to 2 percent

Colorant: 0.1 to 1 percent.

In the invention, the olefin copolymer is preferably one or more of an ethylene-propylene copolymer, reactor high impact polypropylene, an ethylene/alpha-olefin (C4-C8) copolymer and an ethylene-octene block copolymer, and the melt index (190 ℃/2.16kg) of the olefin copolymer is preferably 0.5-6 g/10 min. The mass fraction of the olefin copolymer is preferably 30 to 70%, more preferably 40 to 60%, and most preferably 50 to 55%.

In the present invention, the styrene-based block copolymer is preferably a polystyrene-poly (ethylene/propylene) -polystyrene block copolymer (SEEPS), specifically Septon 4000 series, and the mass fraction of the styrene-based block copolymer is preferably 5 to 30%, more preferably 10 to 20%, and most preferably 15%.

In the present invention, the EPDM/PP-type thermoplastic dynamic vulcanizate (TPV) is a stable elastomer obtained by dynamic vulcanization of EPDM (ethylene propylene diene monomer) as a rubber phase and PP (polypropylene) as a continuous phase, and the mass fraction of the TPV is preferably 10 to 30%, more preferably 15 to 25%, and most preferably 20%.

In the present invention, the styrenic block copolymer can provide a coil with better flexibility and elasticity, and has excellent compatibility and miscibility with polyolefin and excellent weather resistance. The EPDM/PP thermoplastic dynamic vulcanized rubber has better heat resistance, and enhances the heat resistance and the weather resistance of the coiled material. The TPO coiled material with excellent performance can be prepared by matching the three materials, and has better weather resistance, heat resistance, low-temperature flexibility and longer service life.

In the invention, the mass fraction of the talcum powder is preferably 3-15%, and more preferably 5-10%.

In the invention, the light stabilizer is composed of an organic light stabilizer (UVA/HALS) combination and an inorganic ultraviolet absorbent (nano titanium dioxide), and the organic light stabilizer is Tinuvin XT850 and Cyasorb B877; the inorganic light stabilizer is DuPont DLS 210. The mass fraction of the light stabilizer is preferably 0.5-2%, and more preferably 1-1.5%.

In the invention, the antioxidant is preferably a hindered phenol antioxidant, a hydroxylamine antioxidant and a phosphite antioxidant, the hindered phenol antioxidant is preferably an asymmetric antioxidant GA80, the hydroxylamine antioxidant is preferably IRGASTAB FS042, and the phosphite antioxidant is 168. The mass fraction of the antioxidant is preferably 0.1-2%, and more preferably 0.5-1.5%.

In the present invention, the antibacterial agent is preferably Ciba B5000, B6000 or B7000. The mass fraction of the antibacterial agent is preferably 0.1-2%, and more preferably 0.5-1.5%.

In the invention, the colorant can be a colorant commonly used in the field, such as titanium dioxide, black master and the like, and the invention does not specially limit the type of the specific colorant and can select the colorant according to actual needs. The mass fraction of the colorant is preferably 0.1 to 1%, more preferably 0.3 to 0.8%, and most preferably 0.5 to 0.6%.

In the invention, the lower layer comprises the following components in percentage by mass:

olefin copolymer: 30 to 70 percent

Styrenic block copolymers: 5 to 30 percent

EPDM/PP type thermoplastic dynamic vulcanizate: 10 to 30 percent

Talc powder: 3 to 15 percent of

Antioxidant: 0.1 to 2 percent

Antibacterial agents: 0.1 to 2 percent

Colorant: 0.1 to 1 percent.

In the invention, the olefin copolymer is preferably one or more of an ethylene-propylene copolymer, reactor high impact polypropylene, an ethylene/alpha-olefin (C4-C8) copolymer and an ethylene-octene block copolymer, and the melt index (190 ℃/2.16kg) of the olefin copolymer is preferably 0.5-6 g/10 min. The mass fraction of the olefin copolymer is preferably 30 to 70%, more preferably 40 to 60%, and most preferably 50 to 55%.

In the present invention, the styrene-based block copolymer is preferably a polystyrene-poly (ethylene/propylene) -polystyrene block copolymer (SEEPS), specifically Septon 4000 series, and the mass fraction of the styrene-based block copolymer is preferably 5 to 30%, more preferably 10 to 20%, and most preferably 15%.

In the present invention, the EPDM/PP-type thermoplastic dynamic vulcanizate (TPV) is a stable elastomer obtained by dynamic vulcanization of EPDM (ethylene propylene diene monomer) as a rubber phase and PP (polypropylene) as a continuous phase, and the mass fraction of the TPV is preferably 10 to 30%, more preferably 15 to 25%, and most preferably 20%.

In the invention, the mass fraction of the talcum powder is preferably 3-15%, and more preferably 5-10%.

In the invention, the antioxidant is preferably a hindered phenol antioxidant, a hydroxylamine antioxidant and a phosphite antioxidant, the hindered phenol antioxidant is preferably an asymmetric antioxidant GA80, the hydroxylamine antioxidant is preferably IRGASTAB FS042, and the phosphite antioxidant is 168. The mass fraction of the antioxidant is preferably 0.1-2%, and more preferably 0.5-1.5%.

In the present invention, the antibacterial agent is preferably Ciba B5000, B6000 or B7000. The mass fraction of the antibacterial agent is preferably 0.1-2%, and more preferably 0.5-1.5%.

In the invention, the colorant can be a colorant commonly used in the field, such as titanium dioxide, black master and the like, and the invention does not specially limit the type of the specific colorant and can select the colorant according to actual needs. The mass fraction of the colorant is preferably 0.1 to 1%, more preferably 0.3 to 0.8%, and most preferably 0.5 to 0.6%.

In the invention, the adhesive layer comprises one or more of maleic anhydride graft polymer, chlorinated polyolefin, ethylene acrylic acid copolymer and ethylene acrylic acid ionic polymer, and particularly, the adhesive layer is preferably Surlyn series or Bynel series. The adhesive layer serves to adhesively secure the TPO layer to the bondable layer.

In the present invention, the bondable layer preferably includes a hydroxyl-containing compound, more preferably a hydroxyl-containing thermoplastic polymer, and most preferably one or more of an ethylene acrylic copolymer, an ethylene vinyl alcohol copolymer, a thermoplastic polyurethane and a polyamide, specifically, the ethylene acrylic copolymer is preferably marked with EAA3004(Dow), the ethylene vinyl alcohol copolymer (EVOH) is preferably marked with EVAL F171B (Kuraray), the hydroxyl polymer is SEPTON HG252(Kuraray), the thermoplastic polyester (Hytrel G4774) and the thermoplastic polyurethane TPU finished film.

In the invention, the thickness of the TPO coiled material is preferably 1.2-2 mm, wherein the thickness of the TPO upper layer is preferably 0.4-0.8 mm, more preferably 0.5-0.7 mm, and most preferably 0.5-0.6 mm; the thickness of the lower layer of TPO is preferably 0.6-1.5 mm, more preferably 0.7-1.2 mm, most preferably 0.8-1.0 mm, and the thickness of the adhesive layer is preferably 0.05-0.1 mm, more preferably 0.06-0.09 mm, most preferably 0.07-0.08 mm; the thickness of the bondable layer is preferably 0.05-0.1 mm, more preferably 0.06-0.09 mm, and most preferably 0.07-0.08 mm.

The invention also provides a preparation method of the TPO waterproof coiled material, which comprises the following steps:

prepare the TPO coiled material in advance, the TPO coiled material includes that three layer construction is TPO upper strata, polyester net cloth and TPO lower floor promptly, mixes the TPO upper strata, TPO lower floor material respectively earlier and extrudes, then prepares the TPO coiled material through the lamination smooth complex under three-roller plating press with TPO upper strata, polyester net cloth and TPO together.

The adhesive layer is prepared by a melt extrusion method, then the adhesive layer is arranged between the TPO coiled material and the bondable layer, and the TPO coiled material and the bondable layer are compounded together through a three-roll calender to form the bondable TPO waterproof coiled material with a five-layer structure.

The bondable layer is prepared as a film or as a direct over-market film.

Alternatively, the first and second electrodes may be,

but pass through the multilayer with the tie coat and crowd the melt extrusion earlier TPO lower floor, adhesive layer, TPO upper strata melt extrusion, then through three-roller press polish compounding machine with polyester net cloth pressure at the TPO upper strata and contain the TPO lower floor, adhesive layer and the three-layer multilayer film's of tie coat middle formation five-layer structure can bond TPO waterproofing membrane.

The invention also provides application of the adhesive TPO waterproof coiled material, namely, the TPO waterproof coiled material is adhered and fixed on the surface of a substrate by adopting a polyurethane adhesive, and the polyurethane adhesive is contacted with the adhesive layer in the TPO waterproof coiled material.

The material of the base material is not particularly limited, and may be cement, steel, masonry, concrete, or the like.

The invention provides a bondable TPO waterproof coiled material which comprises a TPO upper layer, a polyester mesh cloth, a TPO lower layer, an adhesive layer and a bondable layer which are sequentially contacted; the adhesive layer comprises one or more of maleic anhydride grafted polymer, chlorinated polyolefin, ethylene acrylic acid copolymer and ethylene acrylic acid ionic polymer; the bondable layer includes a hydroxyl-containing compound. The invention makes the lowest layer of TPO waterproof coiled material have polarity through multilayer composite technology, which can be well bonded by polyurethane adhesive, the bonding is firm, the polymer containing hydroxyl can react with polyurethane, the bonding strength is higher, the effect is better, the bondable TPO waterproof coiled material can form 'skin type' waterproof effect with polyurethane adhesive. The hidden trouble of leaking that mechanical fixation nailing caused has been avoided, and life is longer, and waterproof is more guaranteed.

For further illustration of the present invention, the following examples are provided to describe the bondable TPO waterproofing membrane, its preparation method and application in detail, but should not be construed as limiting the scope of the present invention.

Example 1:

TPO upper layer material: CA10A 52%, Santoprene 8201-8020%, SEPTON 405515%, talcum powder 10%, Tinuvin XT 8500.4%, Cyasorb B8770.4%, DLS 2100.2%, antioxidant GA 800.3%, IRGASTAB FS 0420.3%, antioxidant 1680.4% and antibacterial agent B70001%.

TPO lower layer material: CA10A 53%, Santoprene 8201-8020%, SEPTON 405515%, talcum powder 10%, antioxidant GA 800.3%, IRGASTABFS 0420.3%, antioxidant 1680.4% and antibacterial agent B70001%.

Adhesive layer material: surlyn1601-2

Bondable layer material: SEPTON HG252

The preparation method comprises the following steps: TPO lower floor material, adhesive layer and but tie coat pass through a die head through the three-layer is crowded altogether, and another die head extrudes TPO upper strata material, and it is compound through the three-roller press polish with polyester net cloth simultaneously, pull, cut edge, beat and roll up and form.

Example 2:

TPO upper layer material: versify 230052%, Santoprene 8201-8020%, SEPTON 405515%, talcum powder 10%, Tinuvin XT 8500.5%, Cyasorb B8770.3%, DLS 2100.2%, antioxidant GA 800.4%, IRGASTAB FS 0420.2%, antioxidant 1680.4% and antibacterial agent B70001%.

TPO lower layer material: versify 230053%, Santoprene 8201-8020%, SEPTON 405515%, talcum powder 10%, antioxidant GA 800.4%, IRGASTABFS 0420.2%, antioxidant 1680.4% and antibacterial agent B70001%.

Adhesive layer material: bynel4164

Bondable layer material: EVAL F171B

The preparation method is the same as example 1.

Example 3:

TPO upper layer material: CA10A 55%, Santoprene 8201-8017%, SEPTON 405515%, talcum powder 10%, Tinuvin XT 8500.3%, Cyasorb B8770.3%, DLS 2100.4%, antioxidant GA 800.3%, IRGASTAB FS 0420.3%, antioxidant 1680.4%, and antibacterial agent B70001%.

TPO lower layer material: CA10A 55%, Santoprene 8201-8018%, SEPTON 405515%, talcum powder 10%, antioxidant GA 800.3%, IRGASTABFS 0420.3%, antioxidant 1680.4% and antibacterial agent B70001%.

Adhesive layer material: surlyn1601-2

Bondable layer material: EAA3004

The preparation method is the same as example 1.

Example 4:

TPO upper layer material: versify 230055%, Santoprene 8201-8017%, SEPTON 405515%, talcum powder 10%, Tinuvin XT 8500.5%, Cyasorb B8770.2%, DLS 2100.3%, antioxidant GA 800.2%, IRGASTAB FS 0420.3%, antioxidant 1680.5% and antibacterial agent B70001%.

TPO lower layer material: versify 230055%, Santoprene 8201-8018%, SEPTON 405515%, talcum powder 10%, antioxidant GA 800.2%, IRGASTABFS 040.3% 2%, antioxidant 1680.5% and antibacterial agent B70001%.

Adhesive layer material: bynel 4109

Bondable layer material: SEPTON HG252

The preparation method is the same as example 1.

Example 5:

self-control TPO three-layer structure coiled material, adhesive layer material: bynel4164, bondable layer material: 0.08mm TPU film

The preparation method comprises the following steps: and extruding the adhesive layer (middle layer), self-making a TPO coiled material (upper layer), compacting the TPU film (lower layer) by three rollers, and cooling, drawing and rolling to obtain the TPO film.

Example 6:

self-control TPO three-layer structure coiled material, adhesive layer material: bynel 4109, bondable layer material: 0.08mm thermoplastic polyester TPEE film

The preparation method is the same as example 5.

Comparative example 7: self-made TPO three-layer structure coiled material

The coil stock in the examples was cut into 200mm × 50mm, then a polyurethane adhesive was coated on the back surface, the back surfaces were bonded together with the polyurethane adhesive, and a peel test was performed after curing for one week. The adhesion control test with polyurethane adhesive is as follows:

TABLE 1

As can be seen from the above table, the adhesive peel strength in examples 1, 2, 3, 4, 5, and 6 is shown as adhesive layer failure, because the polymer material is a polar material, and meanwhile, the polymer contains hydroxyl or amino group which can react with NCO in polyurethane, the polyurethane adhesive has good adhesive effect, and example 5 is a TPU film which is the same material as polyurethane and has good adhesive effect; the comparative example 7 shows that the polyolefin material is not adhered to the polyurethane adhesive at all, and the scheme of the invention has the beneficial effect of polyurethane adhesion, can replace a mechanical fixing method and has better application value.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.