阅读说明：本技术 一种防水卷材用pvdf复合pvc抗紫外片材及制备方法 (A kind of waterproof roll PVDF composite PVC uvioresistant sheet material and preparation method ) 是由 易向阳 朱文勇 于 2019-08-19 设计创作，主要内容包括：本发明公开了一种防水卷材用PVDF复合PVC抗紫外片材及制备方法,片材由依次设置的PVDF膜、胶水层、PVC主体层、粘合胶层和离型层构成,其中：所述PVDF膜的厚度为0.015-0.025mm,宽度为860mm-1920mm；所述胶水层的厚度为0.0003-0.0005mm；所述PVC主体层,用于增加强度及阻燃,其厚度为2-5mm,宽度为900mm-1100mm；所述粘合胶层厚度为1-2mm,宽度为1060mm-2120mm；所述离型层的厚度为0.03-0.04mm,宽度为1060mm-2120mm。将聚氯乙烯(PVC)片材的高强度和聚偏氟乙烯(PVDF)的抗晒耐老化有效的结合,能直接用于单层屋面方面和金属屋面外露抗紫外耐晒,克服聚氯乙稀(PVC)片材外露抗晒寿命只有5-10年年左右,使用寿命延长到25年,满足新的“市政和建筑防水通用规范”要求。(The invention discloses a kind of waterproof roll PVDF composite PVC uvioresistant sheet materials and preparation method, sheet material is made of pvdf membrane, glue layer, PVC body layer, bonding glue-line and the release layer set gradually, wherein: the pvdf membrane with a thickness of 0.015-0.025mm, width 860mm-1920mm；The glue layer with a thickness of 0.0003-0.0005mm；The PVC body layer, for increasing intensity and fire-retardant, with a thickness of 2-5mm, width 900mm-1100mm；The bonding bondline thickness is 1-2mm, width 1060mm-2120mm；The release layer with a thickness of 0.03-0.04mm, width 1060mm-2120mm.The anti-solarization of the high intensity and Kynoar (PVDF) of polyvinyl chloride (PVC) sheet material ageing-resistant is effectively combined, in terms of single-layer roof can be directly used in and the exposed uvioresistant of metal Roof is sun-proof, polyvinyl chloride (PVC) sheet material exposed anti-solarization service life is overcome there was only 5-10 or so, service life extends to 25 years, meets new " city have stable political situation buildings waterproof general specification " and requires.)

1. a kind of waterproof roll PVDF composite PVC uvioresistant sheet material, which is characterized in that by pvdf membrane, the glue set gradually Layer, PVC body layer, bonding glue-line and release layer are constituted, in which:

The pvdf membrane with a thickness of 0.015-0.025mm, width 860mm-1920mm；

The glue layer with a thickness of 0.0003-0.0005mm；

The PVC body layer, for increasing intensity and fire-retardant, with a thickness of 2-5mm, width 900mm-1100mm；

The bonding bondline thickness is 1-2mm, width 1060mm-2120mm；

The release layer with a thickness of 0.03-0.04mm, width 1060mm-2120mm.

2. a kind of waterproof roll according to claim 1 PVDF composite PVC uvioresistant sheet material, it is characterised in that: described Pvdf membrane is by weight ratio PVDF:LDPE:EGMA-g-PMMA: color masterbatch is made of 100:20~40:5~6:3~5 component.

3. a kind of waterproof roll according to claim 1 PVDF composite PVC uvioresistant sheet material, it is characterised in that: described Glue layer is the polyurethane glue containing urethano and isocyanate group in strand.

4. a kind of waterproof roll according to claim 1 PVDF composite PVC uvioresistant sheet material, it is characterised in that: described PVC body layer is basic raw material with aggretion type polyvinyl chloride resin, and addition auxiliary agent includes stabilizer, age resister and lubricant.

5. a kind of waterproof roll according to claim 4 PVDF composite PVC uvioresistant sheet material, it is characterised in that: described PVC body layer includes that the mass parts of material are as follows: 100 parts of polyvinyl chloride resin, 5-10 parts of plasticizer DOP (dioctyl phthalate), 5-15 parts of Plasticizer DBP (dibutyl phthalate), 10-15 parts of plasticizer M-50 (phenyl alkylsulf), plasticizer chlorination 5-10 parts of paraffin, and stabilizer tribasic lead sulfate (4-6 parts of Pb4O3 (SO4), 2-3 parts of stabilizer barium stearate, lubricant stone 0.2 part of wax, 5-10 parts of filler material calcium carbonate, 0.3-0.5 parts of light stabilizer.

6. a kind of preparation method of Claims 1 to 5 described in any item waterproof rolls PVDF composite PVC uvioresistant sheet material, It is characterized by: the preparation of the PVC body layer the following steps are included:

The each component material ingredient of PVC body layer will be prepared；

The material prepared is put into the reverse modified granulation of cone twin-screw；

It is squeezed out by single screw rod；

It is squeezed out by T-die；

Cooling is formed to it by double roller device.

7. a kind of waterproof roll according to claim 6 preparation method of PVDF composite PVC uvioresistant sheet material, feature Be: the pvdf membrane raw material is by being put into diameter for raw material PVDF, LDPE, EGMA-g-PMMA and color masterbatchMajor diameter Than the parallel double-screw pelletizer preparation for 40:1.

8. a kind of waterproof roll according to claim 7 preparation method of PVDF composite PVC uvioresistant sheet material, feature Be: the preparation step of the EGMA-g-PMMA is as follows: using PMMA as monomer, 4,4 '-azos (4- cyanopentanoic acid) are to cause Agent, thioacetic acid are chain-transferring agent, have synthesized PMMA-COOH oligomer by free poly tone reaction, by the PMMA- COOH oligomer makes itself and line polymer EGMA (ethylene-methyl methacrylate glycidyl ester copolymer) as assembling unit On PVDF and the interface LDPE ring-opening reaction, in-situ preparation EGMA-g-PMMA graft polymers occur for the epoxy group on main chain.

The present invention relates to architectural waterproof material field, in particular to a kind of waterproof roll PVDF composite PVC uvioresistant piece Material and preparation method.

In waterproofing industry, polyvinyl chloride (PVC) waterproof roll, using Corvic as primary raw material.It is added all kinds of special Used additives and anti-aging component are made of sophisticated equipment and the production of advanced technique.Product big, elongation percentage with tensile strength The features such as height, shrinking percentage are small, long service life.It is properties of product stabilization, reliable in quality, easy for construction.

But polyvinylchloride waterproof roll major defect has: heat-resisting quantity is bad, works in hotter environment and is easy to become Shape.Thermal stability is bad, and be hardened embrittlement under low temperature, easily softens under high temperature loose.It is poor to the stability of light and heat, 100 DEG C with Upper or through a long time exposure in sunshine, will decompose and generate hydrogen chloride, and further autocatalysis is decomposed, and causes to change colour, physics Mechanical performance also declines rapidly, must be added to stabilizer in practical applications to improve the stability to light and heat.And it is general Containing plasticizer in polyvinylchloride waterproof roll formula, plasticizer is easy to be precipitated because being small molecule, and so that material is hardened,

Ultraviolet light is the principal element for causing PVC aging, and its energy causes in attack polymer chemistry structure Most there is power in scission of link, chain rupture etc. " photic chemical degradation " effect.According to quantum light theory, in the ultraviolet light of 290~400nm range Possessed energy is higher than energy required for various chemical bond ruptures on PVC chain, and extreme ultraviolet light (200-300nm of wavelength) Presence also the photooxidation resistance of material can be made to become apparent.So although PVC has certain uvioresistant ability, uvioresistant Aging ability is limited, exposed weather-proof generally in 5-10 or so even if increasing ultraviolet-resistant aid, and " city has stable political situation building according to new Waterproof general specification " requirement: the roof waterproof time limit is more than 25 years, it is clear that as exposed anti-solarization material, PVC is cannot to reach exposed It was required more than 25 years.

In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of waterproof roll anti-purples of PVDF composite PVC Outer panel and preparation method.

In order to achieve the above objectives, the technical solution adopted by the present invention to solve the technical problems is: a kind of waterproof roll use PVDF composite PVC uvioresistant sheet material, by pvdf membrane, glue layer, PVC body layer, bonding glue-line and the release layer structure set gradually At, in which:

The pvdf membrane with a thickness of 0.015-0.025mm, width 860mm-1920mm；

The glue layer with a thickness of 0.0003-0.0005mm；

The PVC body layer, for increasing intensity and fire-retardant, with a thickness of 2-5mm, width 900mm-1100mm；

The bonding bondline thickness is 1-2mm, width 1060mm-2120mm；

The release layer with a thickness of 0.03-0.04mm, width 1060mm-2120mm.

Preferably, the pvdf membrane is by weight ratio PVDF:LDPE:EGMA-g-PMMA: color masterbatch be 100:20~40:5~ The component of 6:3~5 is made.

Preferably, the glue layer is the polyurethane glue containing urethano and isocyanate group in strand.

Preferably, the PVC body layer is basic raw material with aggretion type polyvinyl chloride resin, addition auxiliary agent includes stabilizer, resists Aging agent and lubricant.

Preferably, the PVC body layer include material mass parts it is as follows: 100 parts of polyvinyl chloride resin, plasticizer DOP is (adjacent Dioctyl phthalate) 5-10 parts, 5-15 parts of Plasticizer DBP (dibutyl phthalate), plasticizer M-50 (alkyl sulfonic acid benzene Ester) 10-15 parts, 5-10 parts of plasticizer chlorinated paraffin, (4-6 parts of Pb4O3 (SO4), stabilizer is hard for stabilizer tribasic lead sulfate 2-3 parts of resin acid barium, 0.2 part of paraffin wax, 5-10 parts of filler material calcium carbonate, 0.3-0.5 parts of light stabilizer.

A kind of preparation method of waterproof roll PVDF composite PVC uvioresistant sheet material, the preparation of the PVC body layer include Following steps:

The each component material ingredient of PVC body layer will be prepared；

The material prepared is put into the reverse modified granulation of cone twin-screw；

It is squeezed out by single screw rod；

It is squeezed out by T-die；

Cooling is formed to it by double roller device.

Preferably, the pvdf membrane raw material is by being put into diameter for raw material PVDF, LDPE, EGMA-g-PMMA and color masterbatchIt is prepared by the parallel double-screw pelletizer that draw ratio is 40:1.

Preferably, the preparation step of the EGMA-g-PMMA is as follows:

Using PMMA as monomer, 4,4 '-azos (4- cyanopentanoic acid) are initiator, and thioacetic acid is chain-transferring agent, by certainly PMMA-COOH oligomer has been synthesized by base telomerisation, using the PMMA-COOH oligomer as assembling unit, make its with Epoxy group on line polymer EGMA (ethylene-methyl methacrylate glycidyl ester copolymer) main chain is in PVDF and LDPE circle Ring-opening reaction, in-situ preparation EGMA-g-PMMA graft polymers occur on face.

Due to the application of the above technical scheme, the present invention have compared with prior art it is following the utility model has the advantages that

1. by the high intensity of polyvinyl chloride (PVC) sheet material and the ageing-resistant effective knot of anti-solarization of Kynoar (PVDF) It closes, in terms of capable of being directly used in single-layer roof and the exposed uvioresistant of metal Roof is sun-proof, overcomes polyvinyl chloride (PVC) sheet material exposed anti- It shines the service life and there was only 5-10 or so, service life extends to 25 years, meets new " city have stable political situation buildings waterproof general specification " and wants It asks；

2. reducing maintenance times, the outer waterproof roll or sheet material, general service life of shining in 5-10 or so, cannot be done now By 25 years or more, every 5-10 or so will safeguard that once maintenance cost is very high, Kynoar (PVDF) compound polyvinyl chloride (PVC) the sun-proof film of uvioresistant made of sheet material is made into sheet material, and service life 25 years or more, maintenance cost substantially reduced；

The sheet material that the sun-proof film of uvioresistant made of Kynoar 3. (PVDF) compound polyvinyl chloride (PVC) sheet material is made into, Because its Kynoar (PVDF) has it to reflect its sun light action, room temperature is effectively reduced, energy conservation and environmental protection is played the role of, It is green product.Meanwhile it is too fast to increase PVC roll material temperature will not, causes heat ageing；

The sheet material table that the sun-proof film of uvioresistant made of Kynoar 4. (PVDF) compound polyvinyl chloride (PVC) sheet material is made into Face self-cleaning is good, does not glue grieshoch, appearance looks elegant.Meet the clean beauty in city to want；

5. having excellent uvioresistant, anti-aging property and flame retardant property；

6. there is high intensity, and soft surface and building roof adhesion are good.

Fig. 1 is the process flow chart of the present embodiment；

Fig. 2 is the structural schematic diagram of the T-die of the present embodiment；

Fig. 3 is the structural schematic diagram of the film layer structure of the present embodiment；

In figure: 1, upper cover body is adjusted；2, on, lower cover connecting screw hole；3, feed inlet；4, die lip channel is adjusted；5, may be used Adjust upper cover body；10, pvdf membrane；20, glue layer；30, PVC body layer；40, glue-line is bonded；50, release layer.

Specific embodiment

Combined with specific embodiments below, the contents of the present invention are described in further detail:

One embodiment of the invention provides to be resisted made of a kind of Kynoar (PVDF) film compound polyvinyl chloride (PVC) sheet material Ultraviolet sun-proof waterproof sheet is five-layer structure:

First layer is pvdf membrane 10, and with a thickness of 0.015~0.025mm, width 860mm-1920mm, width ratio PVC is short 200mm. width is short be PVDF material itself can not sweat soldering, both sides reserve 100mm and overlap hem width degree, mutual with PVC material Hot melt is so the width of PVDF is less than PVC width 200mm, and the outer layer with width 100mm is PVDF, and internal layer PVC composite membrane is done Overlap edge.PVDF thickness is in 0.015-0.020mm, and PVC thickness is in 2~5mm；

The second layer is glue layer 20, same to take because retaining with a thickness of 0.005~0.010mm, width 860mm-1920mm Edge fit, the short 200mm of width ratio PVC；

Third layer is polyvinyl chloride (PVC) sheet material, with a thickness of 2~5mm, width 1060mm-2120mm；

4th layer is glue-line, and glue-line can be the colloidal material that modified butyl rubber etc. has bond properties, with a thickness of 1- 2mm, width 1060mm-2120mm；

Layer 5 is separated type material, and separated type material can be PET release film or PE release film, mainly play buffer action.It is thick Degree is 0.035-0.04mm, width 1060mm-2120mm.

First layer Kynoar (PVDF) film of the present invention is granulated, with metering system with parallel double-screw pelletizer is modified Sour methyl esters (PMMA) is monomer, 4, and 4 '-azos (4- cyanopentanoic acid) (ACVA) are initiator, and thioacetic acid (TGA) is chain tra nsfer Agent has synthesized PMMA-COOH oligomer by free poly tone reaction, and by adjusting monomer, initiator and chain-transferring agent The feed ratio of three, has been prepared that molecular weight is controllable, the PMMA-COOH of the relatively narrow molecular weight 2000-8000 of molecular weight distribution Oligomer；

Using PMMA-COOH oligomer as assembling unit, making it with line polymer EGMA, (ethylene-methyl methacrylate contracts Water glycerol ester copolymer) on PVDF and the interface LDPE ring-opening reaction, in-situ preparation EGMA-g- occur for the epoxy group on main chain PMMA graft polymers.EGMA-g-PMMA can effectively improve compatible between PVDF and LDPE as PVDF and LDPE compatilizer Property, reduce the interfacial tension between blend components, enhance the caking property between interface, greatlys improve PVDF/LDPE blend Mechanical property.

By weight Kynoar (PVDF): low density polyethylene (LDPE) (LDPE): expanding material EGMA-g-PMMA: color masterbatch= 100:20-40:5-6:3-5 uses diameterDraw ratio (L/D)=40:1 parallel double-screw pelletizer, modification are made Grain.It is constructed to the PVDF modified materials of blown film.

With three layers of upper inflation film manufacturing machine blowing monochromatizing or double-colored pvdf membrane 10, double-colored pvdf membrane 10, such as tunica albuginea, black film, black and white Film, blue-black film, green tunica albuginea etc., with LDPE content is adjusted, to adjust PVDF fluorinated volume, to accomplish the anti-solarization film of different years.

PVDF (Kynoar), molecular formula-(CH2-CF2) n-, because of C-F bond energy 489KJ/mol.Structure determines performance. PVDF fluorine element is due to maximum, the atomic radius very little with electronegativity and the C-F bond distance formed is short, bond energy is big, F atom and fluorine-containing Group is difficult to interrupt main chain to main chain design features, the UV energy such as shield, and forms uvioresistant irradiation, gasproof It waits, radiation resistance, the performance characteristics such as resist chemical, stain resistant, waterproof.As thermoplasticity vinyl chloride type (PVC) waterproof roll Protection materials, PVDF (Kynoar) outer layer protection can make the exposed anti-solarization of thermoplasticity vinyl chloride type (PVC) waterproof roll It uses, can extend the roof waterproof time limit is more than 25 years.

The second layer of the present invention is polyurethane glue, because of the glue in strand containing urethano and isocyanate group, due to Containing highly polar isocyanates and carbamate groups, there is very high reactivity, can room temperature curing, the main chain of polyurethane It is flexible fine.

Its biggest characteristic is that tolerance impact endurance test shock and flexural fatigue, peel strength is very high, and especially resistance to low temperature is extremely It is excellent.

Third layer polyvinyl chloride (PVC) sheet material overall thickness 2mm-5mm of the present invention is basic raw material with aggretion type polyvinyl chloride resin, By adding stabilizer, age resister, lubricant and other auxiliary agents etc. prepare PVC waterproof roll PP Pipe Compound.Formula are as follows: wherein 100 parts of polyvinyl chloride resin (trade mark SG3, SG5), 5-10 parts of plasticizer DOP (dioctyl phthalate), Plasticizer DBP (adjacent benzene two Formic acid dibutyl ester) 5-10-15 parts, 10-15 parts of plasticizer M-50 (phenyl alkylsulf), 5-10 parts of plasticizer chlorinated paraffin, surely Determine agent tribasic lead sulfate (4-6 parts of Pb4O3 (SO4), 2-3 parts of stabilizer barium stearate, 0.2 part of paraffin wax, filler material 5-10 parts of calcium carbonate, 0.3-0.5 parts of light stabilizer, it is above by weight.

The prior art is compared, and the present embodiment has the advantages that

1. by the high intensity of polyvinyl chloride (PVC) sheet material and the ageing-resistant effective knot of anti-solarization of Kynoar (PVDF) It closes, in terms of capable of being directly used in single-layer roof and the exposed uvioresistant of metal Roof is sun-proof, overcomes polyvinyl chloride (PVC) sheet material exposed anti- It shines the service life and there was only 5-10 or so, service life extends to 25 years, meets new " city have stable political situation buildings waterproof general specification " and wants It asks；

2. reducing maintenance times, the outer waterproof roll or sheet material, general service life of shining in 5-10 or so, cannot be done now By 25 years or more, every 5-10 or so will safeguard that once maintenance cost is very high, Kynoar (PVDF) compound polyvinyl chloride (PVC) the sun-proof film of uvioresistant made of sheet material is made into sheet material, and service life 25 years or more, maintenance cost substantially reduced；

The sheet material that the sun-proof film of uvioresistant made of Kynoar 3. (PVDF) compound polyvinyl chloride (PVC) sheet material is made into, Because its Kynoar (PVDF) has it to reflect its sun light action, room temperature is effectively reduced, energy conservation and environmental protection is played the role of, It is green product.Meanwhile it is too fast to increase PVC roll material temperature will not, causes heat ageing；

The sheet material table that the sun-proof film of uvioresistant made of Kynoar 4. (PVDF) compound polyvinyl chloride (PVC) sheet material is made into Face self-cleaning is good, does not glue grieshoch, appearance looks elegant.Meet the clean beauty in city to want；

5. having excellent uvioresistant, anti-aging property and flame retardant property；

6. there is high intensity, and soft surface and building roof adhesion are good.

The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar can understand the contents of the present invention and be implemented, and it is not intended to limit the scope of the present invention, it is all according to the present invention Equivalent change or modification made by Spirit Essence, should be covered by the scope of protection of the present invention.