CN214646504U

CN214646504U - Bondable TPO waterproofing membrane

Info

Publication number: CN214646504U
Application number: CN202023199273.3U
Authority: CN
Inventors: 田继斌
Original assignee: Beijing Yuyangzeli Waterproof Material Co ltd
Current assignee: Beijing Yuyangzeli Waterproof Material Co ltd
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2021-11-09
Anticipated expiration: 2030-12-26

Abstract

The utility model 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 contacted in sequence; the adhesive layer is an adhesive resin layer and is used for adhering and fixing the TPO lower layer and the adhesive layer; the adhesive layer is a hydroxyl compound layer or an amino polymer layer and can be adhered and fixed with a polyurethane adhesive; TPO upper layer thickness is 0.4 ~ 0.8MM, TPO lower floor thickness 0.6 ~ 1.5MM, adhesive layer thickness 0.05 ~ 0.1MM, but adhesive layer thickness 0.05 ~ 0.1 MM. The utility model provides a but volume TPO waterproofing membrane that bonds can form "skin formula" water-proof effects with the polyurethane adhesive. The hidden trouble of leaking that mechanical fixation nailing caused has been avoided, and life is longer, and waterproof is more guaranteed.

Description

Bondable TPO waterproofing membrane

Technical Field

The utility model belongs to the technical field of macromolecular material, especially, relate to a TPO waterproofing membrane that can bond.

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.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a TPO waterproofing membrane that can bond, the utility model provides a TPO waterproofing membrane can bond fixedly through the polyurethane adhesive, has avoided the waterproof hidden danger that the fixed nailing of machinery caused.

The utility model 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 contacted in sequence;

the adhesive layer is an adhesive resin layer and is used for adhering and fixing the TPO lower layer and the adhesive layer; the adhesive layer is a hydroxyl compound layer or an amino polymer layer and can be adhered and fixed with a polyurethane adhesive;

TPO upper layer thickness is 0.4 ~ 0.8MM, TPO lower floor thickness 0.6 ~ 1.5MM, adhesive layer thickness 0.05 ~ 0.1MM, but adhesive layer thickness 0.05 ~ 0.1 MM.

Preferably, the thickness of the TPO upper layer is 0.5-0.7 MM.

Preferably, the thickness of the lower TPO layer is 0.8-1.2 MM.

Preferably, the thickness of the adhesive layer is 0.06 MM to 0.09 MM.

Preferably, the thickness of the bondable layer is 0.06 MM to 0.09 MM.

Preferably, the thickness of the TPO waterproof coiled material capable of being bonded is 1.2-2 MM.

The utility model 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 contacted in sequence; the adhesive layer is an adhesive resin layer and is used for adhering and fixing the TPO lower layer and the adhesive layer; the adhesive layer is a hydroxyl compound layer or an amino polymer layer and can be adhered and fixed with a polyurethane adhesive; TPO upper layer thickness is 0.4 ~ 0.8MM, TPO lower floor thickness 0.6 ~ 1.5MM, adhesive layer thickness 0.05 ~ 0.1MM, but adhesive layer thickness 0.05 ~ 0.1 MM. The utility model discloses a TPO waterproofing membrane's that multilayer composite technology made the lowermost floor have polarity, can the fine bonding of polyurethane adhesive, it is firm to bond, and the polymer that contains hydroxyl can react with polyurethane, and bonding strength is higher, and the effect is better, the utility model provides a can bond volume TPO waterproofing membrane can form "skin formula" water-proof effects 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 required to be 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 a TPO waterproof roll material which can be bonded in the utility model;

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 technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

the adhesive layer is an adhesive resin layer and is used for adhering and fixing the TPO lower layer and the adhesive layer; the adhesive layer is a hydroxyl compound layer and can be adhered and fixed with a polyurethane adhesive;

TPO upper strata thickness is 0.4 ~ 0.8mm, TPO lower floor thickness 0.6 ~ 1.5mm, and adhesive layer thickness 0.05 ~ 0.1mm, but adhesive layer thickness 0.05 ~ 0.1 mm.

The TPO waterproof coiled material in the prior art is of a three-layer structure, the outmost TPO lower layer is difficult to be adhered and fixed on the surface of a base material by using a common adhesive such as a polyurethane adhesive, the utility model realizes adhesive fixation by using an adhesive layer of a polymer containing hydroxyl or amido 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 polymers (such as thermoplastic polyester, EVOH or other polar polymers), and usually, thermal compounding is difficult to compound TPO with hydroxyl-containing compound layers such as EVOH and thermoplastic polyester, and aiming at the problem, the utility model 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 present invention, the TPO upper layer comprises the following components in mass fraction:

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 utility model discloses, olefin copolymer is preferably ethylene propylene copolymer, reactor high impact polypropylene, ethylene/alpha-olefin (C4-C8) copolymer and ethylene octene block copolymer one or more, olefin copolymer's melt index (190 ℃/2.16kg) is preferably 0.5 ~ 6g/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%.

The utility model discloses in EPDM/PP type thermoplasticity dynamic vulcanization rubber (TPV) is with EPDM (ethylene propylene diene monomer) as the rubber phase, PP (polypropylene) as continuous phase, the stable elastomer that obtains after the dynamic vulcanization, TPV's mass fraction is preferred 10 ~ 30%, more preferred 15 ~ 25%, most preferred 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.

The utility model discloses in, the mass fraction of talcum powder is preferred 3 ~ 15%, more preferably 5 ~ 10%.

In the utility model, 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 utility model discloses, the antioxidant is preferred hindered phenol antioxidant, hydroxylamine antioxidant and phosphite ester antioxidant, hindered phenol antioxidant preferably asymmetric antioxidant GA80, hydroxylamine antioxidant preferably IRGASTAB FS042, phosphite ester be antioxidant 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%.

The utility model discloses in, the colorant can be the colorant commonly used in the field, like titanium white powder, black masterbatch etc, the utility model discloses do not do special restriction to specific colorant kind, select according to actual need can. 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%.

The utility model discloses in, the lower floor includes the following mass fraction's component:

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 present invention, the adhesive layer includes one or more of a maleic anhydride graft polymer, a chlorinated polyolefin, an ethylene acrylic acid copolymer and an ethylene acrylic acid ionomer, and particularly, the adhesive layer is preferably of a Surlyn series or a 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, and particularly, the ethylene acrylic copolymer preferably has a trade name of EAA3004(Dow), the ethylene vinyl alcohol copolymer (EVOH) preferably is EVAL F171B (Kuraray), the hydroxyl polymer is SEPTON HG252(Kuraray), the thermoplastic polyester (Hytrel G4774) and the thermoplastic polyurethane TPU finished film.

In the utility model, 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 utility model also provides a TPO waterproofing membrane's preparation method, including following step:

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 utility model also provides a TPO waterproofing membrane's that can bond application adopts polyurethane adhesive will promptly the utility model provides a TPO waterproofing membrane bonds and fixes on the substrate surface, polyurethane adhesive with but the adhesive linkage in the TPO waterproofing membrane contacts.

The utility model discloses it is right the material of substrate does not have special restriction, can be cement, steel, masonry, concrete etc..

The utility model provides a bondable TPO waterproof coiled material, which comprises a TPO upper layer, a polyester mesh fabric, a TPO lower layer, an adhesive layer and a bondable layer which are contacted in sequence; 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 utility model discloses a TPO waterproofing membrane's that multilayer composite technology made the lowermost floor have polarity, can the fine bonding of polyurethane adhesive, it is firm to bond, and the polymer that contains hydroxyl can react with polyurethane, and bonding strength is higher, and the effect is better, the utility model provides a can bond volume TPO waterproofing membrane can form "skin formula" water-proof effects 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.

In order to further illustrate the present invention, the following detailed description is made with reference to the examples to illustrate the bondable TPO waterproofing membrane, the preparation method and the application thereof provided by the present invention, but the following description 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: bynel4109

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: bynel4109, 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; comparative example 7 is that the presentation of polyolefin material is not at all with polyurethane adhesive, from which it can be seen that the utility model discloses a scheme has the very profitable effect of polyurethane bonding, can replace the mechanical fastening method, has better using value.

Claims

1. A bondable TPO waterproof coiled material is characterized by comprising 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 is an adhesive resin layer and is used for adhering and fixing the TPO lower layer and the adhesive layer; the bondable layer is a hydroxyl compound layer or an amino polymer layer and can be bonded and fixed with the polyurethane adhesive;

2. A bondable TPO waterproofing membrane according to claim 1, wherein the thickness of the TPO upper layer is 0.5 to 0.7 mm.

3. A bondable TPO waterproofing membrane according to claim 1, characterized in that the thickness of the TPO lower layer is 0.8 to 1.2 mm.

4. A bondable TPO waterproofing membrane according to claim 1, wherein the thickness of the adhesive layer is 0.06 to 0.09 mm.

5. A bondable TPO waterproofing membrane according to claim 1, wherein the thickness of said bondable layer is 0.06 to 0.09 mm.

6. A bondable TPO waterproofing membrane according to any one of claims 1 to 5, wherein the thickness of the bondable TPO waterproofing membrane is 1.2 to 2 mm.