CN113174113A - Efficient flame-retardant polyvinyl chloride waterproof coiled material and preparation method thereof - Google Patents
Efficient flame-retardant polyvinyl chloride waterproof coiled material and preparation method thereof Download PDFInfo
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- CN113174113A CN113174113A CN202110488433.6A CN202110488433A CN113174113A CN 113174113 A CN113174113 A CN 113174113A CN 202110488433 A CN202110488433 A CN 202110488433A CN 113174113 A CN113174113 A CN 113174113A
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- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 80
- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 79
- 239000003063 flame retardant Substances 0.000 title claims abstract description 63
- 239000000463 material Substances 0.000 title claims abstract description 63
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 27
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 19
- 229920005989 resin Polymers 0.000 claims abstract description 19
- 239000011347 resin Substances 0.000 claims abstract description 19
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 16
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 16
- 239000000945 filler Substances 0.000 claims abstract description 16
- 239000004611 light stabiliser Substances 0.000 claims abstract description 16
- 239000004014 plasticizer Substances 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 16
- 239000012760 heat stabilizer Substances 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 14
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 12
- 238000000465 moulding Methods 0.000 claims description 10
- 238000004078 waterproofing Methods 0.000 claims description 8
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 6
- 238000009775 high-speed stirring Methods 0.000 claims description 6
- 239000005995 Aluminium silicate Substances 0.000 claims description 3
- 102100035474 DNA polymerase kappa Human genes 0.000 claims description 3
- 101710108091 DNA polymerase kappa Proteins 0.000 claims description 3
- 235000021355 Stearic acid Nutrition 0.000 claims description 3
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical compound [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 claims description 3
- 235000012211 aluminium silicate Nutrition 0.000 claims description 3
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 claims description 3
- 238000003490 calendering Methods 0.000 claims description 3
- UQLDLKMNUJERMK-UHFFFAOYSA-L di(octadecanoyloxy)lead Chemical compound [Pb+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O UQLDLKMNUJERMK-UHFFFAOYSA-L 0.000 claims description 3
- HBGGXOJOCNVPFY-UHFFFAOYSA-N diisononyl phthalate Chemical compound CC(C)CCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC(C)C HBGGXOJOCNVPFY-UHFFFAOYSA-N 0.000 claims description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 235000012424 soybean oil Nutrition 0.000 claims description 3
- 239000003549 soybean oil Substances 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- 239000006084 composite stabilizer Substances 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims 7
- 238000002156 mixing Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- FAPDDOBMIUGHIN-UHFFFAOYSA-K antimony trichloride Chemical compound Cl[Sb](Cl)Cl FAPDDOBMIUGHIN-UHFFFAOYSA-K 0.000 description 2
- LIYKJALVRPGQTR-UHFFFAOYSA-M oxostibanylium;chloride Chemical compound [Cl-].[Sb+]=O LIYKJALVRPGQTR-UHFFFAOYSA-M 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920002397 thermoplastic olefin Polymers 0.000 description 2
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 239000004709 Chlorinated polyethylene Substances 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 150000002366 halogen compounds Chemical class 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000003017 thermal stabilizer Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- 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
- C08K3/2279—Oxides; Hydroxides of metals of antimony
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- 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)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a high-efficiency flame-retardant polyvinyl chloride waterproof coiled material and a preparation method thereof, wherein the high-efficiency flame-retardant polyvinyl chloride waterproof coiled material is prepared from the following raw materials in parts by mass: 40-60 parts of PVC resin powder, 20-30 parts of filler, 20-30 parts of plasticizer, 4-6 parts of heat stabilizer, 0.4-0.5 part of antioxidant, 0.4-0.5 part of light stabilizer and 4-5 parts of flame retardant. Has the advantages that: after antimony trioxide is added into the raw materials as a flame retardant, the polyvinyl chloride PVC waterproof coiled material can meet the highest flame-retardant requirement which can be made by a combustible waterproof coiled material, namely B1(B-s1, t0) grade, so that the waterproof roll material can be applied to waterproof projects with higher fireproof requirements; in addition, the waterproof roll material is simple in preparation process and convenient to operate, and the polyvinyl chloride PVC waterproof roll material can have better performance through high-temperature stirring and low-temperature mixing, so that the application range and the service life of the PVC waterproof roll material are improved.
Description
Technical Field
The invention relates to the technical field of high polymer materials, in particular to a high-efficiency flame-retardant polyvinyl chloride waterproof coiled material and a preparation method thereof.
Background
The polyvinyl chloride (PVC) waterproof roll is a high-molecular waterproof material with excellent performance, and takes polyvinyl chloride resin as a main raw material. Adding various special auxiliary agents and anti-aging components, and adopting advanced equipment and advanced technology to produce the product. The product has the characteristics of high tensile strength, high elongation, small shrinkage, good low-temperature flexibility, long service life and the like. The current waterproof coiled materials have a plurality of varieties, such as SBS modified asphalt waterproof coiled materials, Thermoplastic Polyolefin (TPO) waterproof coiled materials, chlorinated polyethylene waterproof coiled materials, polyvinyl chloride (PVC) waterproof coiled materials, ethylene-vinyl acetate waterproof coiled materials and the like. The PVC waterproof coiled material has stable product performance, reliable quality and convenient construction, and is more and more widely used in the field of roof waterproofing.
But the existing PVC waterproof coiled material has certain flame retardant property under the condition of not adding a flame retardant, and can reach B2The PVC waterproof coiled material meets the requirements of grade flame retardance, but generates a large amount of hydrogen chloride smoke in the combustion process, has pungent smell and certain toxicity, and cannot be applied to waterproof projects with higher fireproof requirements, so that the application range of the PVC waterproof coiled material is limited.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides a high-efficiency flame-retardant polyvinyl chloride waterproof coiled material and a preparation method thereof, so as to overcome the technical problems in the prior related art.
Therefore, the invention adopts the following specific technical scheme:
according to one aspect of the invention, the high-efficiency flame-retardant polyvinyl chloride waterproof coiled material is prepared from the following raw materials in parts by weight:
40-60 parts of PVC resin powder, 20-30 parts of filler, 20-30 parts of plasticizer, 4-6 parts of heat stabilizer, 0.4-0.5 part of antioxidant, 0.4-0.5 part of light stabilizer and 4-5 parts of flame retardant.
Further, the PVC resin powder is one of SG-5 and SG-3.
Further, the filler comprises at least one or two of ground calcium carbonate, nano calcium carbonate, barium sulfate and kaolin.
Further, the plasticizer includes, but is not limited to, at least one or two of DOP, DOA, DINP, DBP, epoxidized soybean oil.
Further, the heat stabilizer includes, but is not limited to, at least one of tri-salt, di-salt, calcium-zinc composite stabilizer, lead stearate, barium stearate, and stearic acid.
Further, the antioxidant includes but is not limited to at least one of 1010, 168, B225.
Further, the light stabilizer is one of UV531 and UV 326.
Further, the flame retardant is antimony trioxide.
According to another aspect of the invention, the invention also provides a preparation method of the efficient flame-retardant polyvinyl chloride waterproof roll, which comprises the following steps:
s1, setting the temperature of the high-speed mixer to be 110 ℃, and starting the high-speed mixer to stir at a low speed;
s2, putting the PVC resin powder, the filler, the heat stabilizer, the antioxidant, the light stabilizer and the flame retardant into a high-speed mixer according to the proportion, and starting the high-speed mixer to stir at high speed;
s3, uniformly adding a plasticizer, and maintaining high-speed stirring of a high-speed mixer;
s4, transferring the mixed raw materials to a cold mixer after the temperature of the raw materials reaches the set temperature;
s5, setting the temperature of the cold mixer to be 60 ℃, and feeding the materials to a hopper of the double-screw extruder when the material temperature is lower than 80 ℃;
and S6, preparing and molding by adopting a preset method.
Further, the preparation and molding in S6 by a preset method includes plasticizing and extruding the mixed raw materials, then performing three-roll calendering and molding, drawing, and rolling to prepare the finished product of the polyvinyl chloride waterproof roll.
The invention has the beneficial effects that: after antimony trioxide is added into the raw materials as a flame retardant, the polyvinyl chloride PVC waterproof coiled material can meet the highest flame-retardant requirement which can be made by a combustible waterproof coiled material, namely B1(B-s1, t0) grade, so that the waterproof coiled material can be applied to waterproof workers with higher fireproof requirementsIn the process; in addition, the waterproof roll material is simple in preparation process and convenient to operate, and the polyvinyl chloride PVC waterproof roll material can have better performance through high-temperature stirring and low-temperature mixing, so that the application range and the service life of the PVC waterproof roll material are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic flow chart of a method for preparing a high-efficiency flame-retardant polyvinyl chloride waterproof roll according to an embodiment of the invention.
Detailed Description
For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.
According to the embodiment of the invention, the efficient flame-retardant polyvinyl chloride waterproof roll is provided.
The invention is further described with reference to the accompanying drawings and the specific embodiments, according to the embodiment of the invention, the high-efficiency flame-retardant polyvinyl chloride waterproof roll is prepared from the following raw materials in parts by weight:
40-60 parts of PVC resin powder, 20-30 parts of filler, 20-30 parts of plasticizer, 4-6 parts of heat stabilizer, 0.4-0.5 part of antioxidant, 0.4-0.5 part of light stabilizer and 4-5 parts of flame retardant.
By means of the scheme, after the flame retardant is added into the raw materials, the polyvinyl chloride PVC waterproof coiled material can be easily formedThe highest flame-retardant requirement that the flammable waterproof coiled material can be made is met, namely B1(B-s1, t0) grade, so that the waterproof roll material can be applied to waterproof projects with higher fireproof requirements; in addition, the waterproof roll material is simple in preparation process and convenient to operate, and the polyvinyl chloride PVC waterproof roll material can have better performance through high-temperature stirring and low-temperature mixing, so that the application range and the service life of the PVC waterproof roll material are improved.
In one embodiment, the PVC resin powder is one of SG-5 and SG-3.
In one embodiment, the filler includes, but is not limited to, at least one or two of ground calcium carbonate, nano calcium carbonate, barium sulfate, kaolin.
In one embodiment, the plasticizer includes, but is not limited to, at least one or two of DOP, DOA, DINP, DBP, epoxidized soybean oil.
In one embodiment, the thermal stabilizer includes, but is not limited to, at least one of a tri-salt, a di-salt, a calcium zinc complex stabilizer, lead stearate, barium stearate, stearic acid
In one embodiment, the antioxidant includes, but is not limited to, at least one of 1010, 168, B225.
In one embodiment, the light stabilizer is one of UV531 and UV 326.
In one embodiment, the flame retardant is antimony trioxide, and a small amount of a halogen compound is mixed in the flame retardant.
Specifically, the antimony trioxide is white powder, is insoluble in water, and is soluble in sodium hydroxide solution and acidic solution. The flame-retardant coating is mainly used for white pigments, paints and plastics and has the functions of pigments and flame retardance. Antimony trioxide is the earliest flame retardant used in epoxy resins, polyurethanes, polystyrenes, polyvinyl chlorides, polyesters, etc. When the halogen-free flame retardant is used alone, the flame retardant effect is low, and when the halogen-free flame retardant is used together with a halide, a good synergistic effect is achieved, so that the flame retardant effect is obviously improved. When the flame-retardant PVC resin powder is burnt, the antimony trioxide reacts with chloride ions of the PVC resin powder on the surface layer of the combustible to generate volatile antimony chloride and antimony oxychloride, the volatile antimony chloride and the antimony oxychloride can absorb heat, and the generated gas can isolate oxygen and dilute combustible, so that an excellent flame-retardant effect is achieved.
According to another embodiment of the present invention, as shown in fig. 1, there is also provided a method for preparing a high-efficiency flame-retardant polyvinyl chloride waterproof roll, the method comprising the steps of:
s1, setting the temperature of the high-speed mixer to be 110 ℃, and starting the high-speed mixer to stir at a low speed;
s2, putting the PVC resin powder, the filler, the heat stabilizer, the antioxidant, the light stabilizer and the flame retardant into a high-speed mixer according to the proportion, and starting the high-speed mixer to stir at high speed;
s3, uniformly adding a plasticizer, and maintaining high-speed stirring of a high-speed mixer;
s4, transferring the mixed raw materials to a cold mixer after the temperature of the raw materials reaches the set temperature;
s5, setting the temperature of the cold mixer to be 60 ℃, and feeding the materials to a hopper of the double-screw extruder when the material temperature is lower than 80 ℃;
and S6, preparing and molding by adopting a preset method.
In one embodiment, the preparation and molding in S6 by using a preset method includes plasticizing and extruding the mixed raw materials, and then performing three-roll calendering and drawing, and rolling to prepare the finished polyvinyl chloride waterproof roll.
In order to clearly understand the technical scheme of the invention, the technical scheme of the invention is described in detail through specific examples.
Example one
The efficient flame-retardant polyvinyl chloride waterproof coiled material is prepared from the following raw materials in parts by mass:
40 parts of PVC resin powder, 20 parts of filler, 20 parts of plasticizer, 4 parts of heat stabilizer, 0.4 part of antioxidant, 0.4 part of light stabilizer and 4 parts of flame retardant.
The preparation method for the polyvinyl chloride waterproof roll comprises the following steps:
s1, setting the temperature of the high-speed mixer to be 110 ℃, and starting the high-speed mixer to stir at a low speed;
s2, putting 40 parts of PVC resin powder, 20 parts of filler, 4 parts of heat stabilizer, 0.4 part of antioxidant, 0.4 part of light stabilizer and 4 parts of flame retardant into a high-speed mixer, and starting the high-speed mixer to stir at high speed;
s3, uniformly adding 20 parts of plasticizer at a constant speed, and maintaining high-speed stirring of a high-speed mixer;
s4, transferring the mixed raw materials to a cold mixer after the temperature of the raw materials reaches the set temperature;
s5, setting the temperature of the cold mixer to be 60 ℃, and feeding the materials to a hopper of the double-screw extruder when the material temperature is lower than 80 ℃;
and S6, preparing and molding by adopting a preset method.
Example two
The efficient flame-retardant polyvinyl chloride waterproof coiled material is prepared from the following raw materials in parts by mass:
50 parts of PVC resin powder, 25 parts of filler, 25 parts of plasticizer, 5 parts of heat stabilizer, 0.45 part of antioxidant, 0.45 part of light stabilizer and 4.5 parts of flame retardant.
The preparation method for the polyvinyl chloride waterproof roll comprises the following steps:
s1, setting the temperature of the high-speed mixer to be 110 ℃, and starting the high-speed mixer to stir at a low speed;
s2, putting 50 parts of PVC resin powder, 25 parts of filler, 5 parts of heat stabilizer, 0.45 part of antioxidant, 0.45 part of light stabilizer and 4.5 parts of flame retardant into a high-speed mixer, and starting the high-speed mixer to stir at high speed;
s3, adding 25 parts of plasticizer at a uniform speed, and maintaining high-speed stirring of a high-speed mixer;
s4, transferring the mixed raw materials to a cold mixer after the temperature of the raw materials reaches the set temperature;
s5, setting the temperature of the cold mixer to be 60 ℃, and feeding the materials to a hopper of the double-screw extruder when the material temperature is lower than 80 ℃;
and S6, preparing and molding by adopting a preset method.
EXAMPLE III
The efficient flame-retardant polyvinyl chloride waterproof coiled material is prepared from the following raw materials in parts by mass:
60 parts of PVC resin powder, 30 parts of filler, 30 parts of plasticizer, 6 parts of heat stabilizer, 0.5 part of antioxidant, 0.5 part of light stabilizer and 5 parts of flame retardant.
The preparation method for the polyvinyl chloride waterproof roll comprises the following steps:
s1, setting the temperature of the high-speed mixer to be 110 ℃, and starting the high-speed mixer to stir at a low speed;
s2, putting 60 parts of PVC resin powder, 30 parts of filler, 6 parts of heat stabilizer, 0.5 part of antioxidant, 0.5 part of light stabilizer and 5 parts of flame retardant into a high-speed mixer, and starting the high-speed mixer to stir at high speed;
s3, uniformly adding 30 parts of plasticizer at a constant speed, and maintaining high-speed stirring of a high-speed mixer;
s4, transferring the mixed raw materials to a cold mixer after the temperature of the raw materials reaches the set temperature;
s5, setting the temperature of the cold mixer to be 60 ℃, and feeding the materials to a hopper of the double-screw extruder when the material temperature is lower than 80 ℃;
and S6, preparing and molding by adopting a preset method.
Through specific experimental comparison, the use effect of the invention is known as follows:
TABLE 1 formula and performance index of PVC waterproof coiled material
Wherein, the height of the flame tip is not more than 150 as qualified, the inspection standard is GB/T8626-1Stage, t1 for reaching ZA2Stage, t2 for reaching ZA3And (4) stages.
Therefore, compared with the common waterproof roll, the flame retardant effect of the polyvinyl chloride waterproof roll is better, and the flame retardant effect of the polyvinyl chloride waterproof roll is better when antimony trioxide accounts for more in a specified proportioning range (4-5 parts).
In summary, by means of the technical scheme of the invention, after antimony trioxide is added to the raw materials as the flame retardant, the polyvinyl chloride PVC waterproof coiled material can meet the highest flame retardant requirement that the combustible waterproof coiled material can be made, namely B1(B-s1, t0) grade, so that the waterproof roll material can be applied to waterproof projects with higher fireproof requirements; in addition, the waterproof roll material is simple in preparation process and convenient to operate, and the polyvinyl chloride PVC waterproof roll material can have better performance through high-temperature stirring and low-temperature mixing, so that the application range and the service life of the PVC waterproof roll material are improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The efficient flame-retardant polyvinyl chloride waterproof coiled material is characterized by being prepared from the following raw materials in parts by weight:
40-60 parts of PVC resin powder, 20-30 parts of filler, 20-30 parts of plasticizer, 4-6 parts of heat stabilizer, 0.4-0.5 part of antioxidant, 0.4-0.5 part of light stabilizer and 4-5 parts of flame retardant.
2. The roll of highly effective flame retardant polyvinyl chloride waterproofing membrane according to claim 1, wherein the PVC resin powder is one of SG-5 and SG-3.
3. The roll of highly effective flame retardant polyvinyl chloride waterproofing membrane according to claim 1, wherein said filler comprises at least one or two of but not limited to ground calcium carbonate, nano calcium carbonate, barium sulfate, and kaolin.
4. The roll of highly effective flame retardant polyvinyl chloride waterproofing membrane according to claim 1, wherein said plasticizer comprises at least one or two of DOP, DOA, DINP, DBP, epoxidized soybean oil.
5. The roll of highly effective flame retardant polyvinyl chloride water-proof material as claimed in claim 1, wherein said heat stabilizer includes but is not limited to at least one of tri-salt, di-salt, calcium zinc composite stabilizer, lead stearate, barium stearate, stearic acid.
6. The roll of highly effective flame retardant polyvinyl chloride waterproofing membrane according to claim 1, wherein said antioxidant comprises at least one of but not limited to 1010, 168, B225.
7. The roll of highly effective flame retardant polyvinyl chloride waterproofing membrane according to claim 1, wherein said light stabilizer is one of UV531 and UV 326.
8. The roll of highly flame retardant polyvinyl chloride waterproof material as claimed in claim 1, wherein said flame retardant is antimony trioxide.
9. A preparation method of a high-efficiency flame-retardant polyvinyl chloride waterproof coiled material is used for preparing the high-efficiency flame-retardant polyvinyl chloride waterproof coiled material of any one of claims 1 to 8, and is characterized by comprising the following steps:
s1, setting the temperature of the high-speed mixer to be 110 ℃, and starting the high-speed mixer to stir at a low speed;
s2, putting the PVC resin powder, the filler, the heat stabilizer, the antioxidant, the light stabilizer and the flame retardant into a high-speed mixer according to the proportion, and starting the high-speed mixer to stir at high speed;
s3, uniformly adding a plasticizer, and maintaining high-speed stirring of a high-speed mixer;
s4, transferring the mixed raw materials to a cold mixer after the temperature of the raw materials reaches the set temperature;
s5, setting the temperature of the cold mixer to be 60 ℃, and feeding the materials to a hopper of the double-screw extruder when the material temperature is lower than 80 ℃;
and S6, preparing and molding by adopting a preset method.
10. The method for preparing the highly effective flame retardant polyvinyl chloride waterproofing membrane according to claim 9, wherein the preparation and molding in S6 by the predetermined method comprises plasticizing and extruding the mixed raw materials, then performing three-roll calendering and drawing, and rolling to obtain the finished product of the polyvinyl chloride waterproofing membrane.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113913127A (en) * | 2021-11-08 | 2022-01-11 | 山东京博中聚新材料有限公司 | Weather-resistant self-adhesive waterproof coiled material made of butyl rubber composite material and preparation method of self-adhesive waterproof coiled material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107082971A (en) * | 2017-03-17 | 2017-08-22 | 武汉市恒星防水材料有限公司 | A kind of flame retardant type PVC waterproof rolls |
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- 2021-05-06 CN CN202110488433.6A patent/CN113174113A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107082971A (en) * | 2017-03-17 | 2017-08-22 | 武汉市恒星防水材料有限公司 | A kind of flame retardant type PVC waterproof rolls |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113913127A (en) * | 2021-11-08 | 2022-01-11 | 山东京博中聚新材料有限公司 | Weather-resistant self-adhesive waterproof coiled material made of butyl rubber composite material and preparation method of self-adhesive waterproof coiled material |
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Application publication date: 20210727 |