CN109181159A - A kind of flame retardant type PVC waterproof roll and preparation method thereof - Google Patents
A kind of flame retardant type PVC waterproof roll and preparation method thereof Download PDFInfo
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- CN109181159A CN109181159A CN201810983305.7A CN201810983305A CN109181159A CN 109181159 A CN109181159 A CN 109181159A CN 201810983305 A CN201810983305 A CN 201810983305A CN 109181159 A CN109181159 A CN 109181159A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- 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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention provides a kind of flame retardant type PVC waterproof roll, including following raw material components: polyvinyl chloride resin, Styrene-Butadiene-Styrene Block Copolymer, tapioca starch, sulfosalicylic acid, polysulfide rubber, isophthalic acid ester, magnesium carbonate.It further include following raw material components: polyethylene-glass fibre, di-iron trioxide, acetyl triethyl citrate, white carbon black, epoxy Linseed oil, lauryl sodium sulfate, nanometer aluminium silicate powder, antioxidant 1010.The tensile strength of waterproof roll of the present invention is 14.9-17.5MPa, tearing strength 60-70N/mm, and flame retardant property is good.
Description
Technical field
The present invention relates to waterproof rolls, and in particular to a kind of flame retardant type PVC waterproof roll and preparation method thereof belongs to waterproof
Coiled material field.
Background technique
In recent years, as the improvement of people's living standards, the requirement to buildings waterproof is constantly promoted, waterproof roll, especially
It is that PVC roll material is rapidly developed.PVC roll material is using dacron fabric as reinforcing rib, by special extrusion coated
Method technique, the macromolecule for making the two-sided polyvinyl chloride plastic bed of material and intermediate polyester reinforcing rib be combined into one and being formed are rolled up
Material.Coiled material possesses splendid dimensional stability and lower thermal expansion coefficient.
A kind of flame retardant type polyester fiber internal reinforcing type PVC waterproof roll of CN201710159397.2, the PVC waterproof roll
The middle layer of material is flame retardant type dacron fabric, and the PVC plastic bed of material is respectively coated in the two sides of middle layer；The flame retardant type polyester
Fabric is formed by phosphorous dicarboxylic acid monomer and dihydric alcohol copolycondensation, and anti-dripping agent is added in polycondensation process；Institute
State the PVC plastic bed of material by PVC granule extrusion be process, the PVC granule consists of the following compositions: PVC resin powder, plasticizer,
Fire retardant, lubricant, colorant.It is anti-that the flame retardant type polyester fiber internal reinforcing type PVC waterproof roll is applicable not only to conventional PVC
All ranges that water coiled material is applicable in, and in the region for having fire protection requirement, such as petrochemical enterprise, also it can be used, at
This is cheap, and processing performance is also unaffected.
A kind of fire-retardant PVC waterproof roll of CN201711401710.5 is process, PVC granule by PVC granule extrusion
Be made of following component according to weight percentage: PVC resin powder is more than or equal to 45% and is less than or equal to 55%, and plasticizer is more than or equal to
20% is less than or equal to 25%, and fire retardant is more than or equal to 20% and is less than or equal to 25%, and lubricant is more than or equal to 2% and is less than or equal to 3%, colorant
It is less than or equal to 3% more than or equal to 2%.The flame retardant type PVC waterproof roll prepared by mentioned component, is applicable not only to conventional PVC
All ranges that waterproof roll is applicable in, and in the region for having fire protection requirement, such as petrochemical enterprise, also it can be used,
Low in cost, processing performance is also unaffected.
A kind of flame retardant type PVC waterproof roll of CN201710159392.X is process, the PVC by PVC granule extrusion
Particle consists of the following compositions: PVC resin powder, plasticizer, fire retardant, lubricant, colorant.The resistance prepared by mentioned component
Combustion type PVC waterproof roll is applicable not only to all ranges that conventional PVC waterproof roll is applicable in, and is having fire protection requirement
Region, such as petrochemical enterprise also can be used, low in cost, processing performance is also unaffected.
CN201511013936.9 discloses a kind of flame-proof PVC waterproof roll, feed components according to weight be grouped as
Under: it is 30-40 parts of polyvinyl chloride resin, 10-12 parts of ABS resin, TPU6-8 parts of thermoplastic polyurethane, 6-8 parts of plasticized starch, non-ionic
HDC-2011.2-1.5 parts of surfactant, 2-3 parts of antioxidant, 5-7 parts of polyethylene-glass fibre, 4-6 parts of reinforcing filler, tristearin
2-3 parts sour, 3-5 parts of fire retardant, 2-4 parts of Ethyltriphenylphosphonium brimide；Inventive formulation production PVC/ABS coiled material have it is tough,
Firmly, just mutually the mechanical property of equilibrium, bending strength are up to 70MPa or more, and impact strength is high, the association of antioxidant and low-smoke and flame retardant agent
Same-action makes the heat resistance of material and anti-flammability aspect have clear improvement, and 0.45MPa load heat distortion temperature reaches as high as 86
DEG C or more, the addition of plasticized starch, polyethylene-glass fibre and reinforcing filler makes the mechanicalness, impact strength and heatproof of material
Property blends, and improves the overall characteristic of mixing material, high fluidity, and appearance is good.
Although the prior art also discloses some PVC waterproof rolls with flame retardant effect, including in above patent document
Disclosed product；But the flame retardant type PVC waterproof roll of the prior art has damage can not self-healing, service life short defect.
Therefore, inventor team experience has researched and developed a kind of flame retardant type PVC waterproof roll for many years, solves the prior art and deposits
Self-healing performance is poor, problem that the service life is short.
Summary of the invention
The present invention provides a kind of preparation methods of flame retardant type PVC waterproof roll.The water-repellent paint of this method preparation can
Realize that ageing-resistant performance is excellent, self-healing repair ability is strong, the purpose of service life length.
To reach the purpose, the technical scheme is that
A kind of flame retardant type PVC waterproof roll, is prepared from the following raw materials in parts by weight:
60-68 parts of polyvinyl chloride resin, 30-34 parts of Styrene-Butadiene-Styrene Block Copolymer, 8-11 parts of tapioca starch, sulfo group water
7-9 parts of poplar acid, 14-17 parts of polysulfide rubber, 10-18 parts of isophthalic acid ester, 5-8 parts of magnesium carbonate, polyethylene-glass fibre 14-19
Part, 9-14 parts of di-iron trioxide, 10-17 parts of acetyl triethyl citrate, 8-10 parts of white carbon black, 6-8 parts of epoxy Linseed oil, ten
7-9.5 parts of sodium dialkyl sulfate, 5-7 parts of nanometer aluminium silicate powder, 3-8 parts of antioxidant 1010.
The polyvinyl chloride resin: active constituent content 99%, trade mark SG-8；
The Styrene-Butadiene-Styrene Block Copolymer: total styrene-content 39.5%, total volatile content 0.49%,
Hardness 72(shore A), 300% stress at definite elongation is 1.62MPa；
The polyethylene-glass fibre: length 50-60mm, compression strength 599MPa, extension at break 15-25%, elasticity
Modulus is 3860mp；
The acetyl triethyl citrate: active constituent content 99.2%, relative density 1.135, water content 0.05%, flash-point
192℃；
The nanometer aluminium silicate powder: fineness is 1250 mesh.
Preparation method the following steps are included:
Step 1 weighs
Each raw material is weighed by formula rate.
Step 2 is mediated
By in the mixed machine of SG-8 polyvinyl chloride resin powder investment heat, Styrene-Butadiene-Styrene Block Copolymer, wood is then added
Potato powder, sulfosalicylic acid, polysulfide rubber；With 2000r/min high-speed stirred 40-50min；Then, M-phthalic acid is sequentially added
Ester, magnesium carbonate, polyethylene-glass fibre, di-iron trioxide, with 2500r/min high-speed stirred 10-12min；Then, acetyl is added
Triethyl citrate, white carbon black, epoxy Linseed oil, lauryl sodium sulfate, nanometer aluminium silicate powder, antioxidant 1010；Heating
To 420-450 DEG C, 800rpm stirs 30-35min；So that temperature of charge is down to 20-30 DEG C after stirring, is discharged to storage hopper, for use.
Step 3 squeezes out
It is plasticized and squeezes out through double screw extruder, barrel temperatures set is between 180-185 DEG C, and die temperature is in 150-160
℃。
Step 4, calendering formation
Roll through tri-roll press machine and be formed, assign mechanical performance, to guarantee that it is cooling rapidly, cooling water, control three are led in three rollers
40-45 DEG C of water temperature in roller；
It finally cuts, batch, detect, be packed and stored by predetermined size.
Compared with prior art, technical solution of the present invention has the advantages that
The tensile strength of waterproof roll of the present invention is 14.9-17.5MPa, tearing strength 60-70N/mm, flame retardant rating V-1；
After 80 DEG C of heat ageing 500h, the stretching strength retentivity 90-94% of coiled material；The self-healing performance of long 15-20cm breach be 12-16h from
More；0.3MPa, 6h are waterproof；Seam peel strength is 6.2-7.7N/mm.
Specific embodiment
A kind of flame retardant type PVC waterproof roll of embodiment 1
A kind of flame retardant type PVC waterproof roll, is prepared from the following raw materials in parts by weight:
60 parts of polyvinyl chloride resin, 8 parts of tapioca starch, 7 parts of sulfosalicylic acid, gathers at 34 parts of Styrene-Butadiene-Styrene Block Copolymer
14 parts of sulphur rubber, 10 parts of isophthalic acid ester, 8 parts of magnesium carbonate, 19 parts of polyethylene-glass fibre, 14 parts of di-iron trioxide, acetyl
17 parts of triethyl citrate, 8 parts of white carbon black, 6 parts of epoxy Linseed oil, 7 parts of lauryl sodium sulfate, 6 parts of nanometer aluminium silicate powder,
5 parts of antioxidant 1010.
The polyvinyl chloride resin: active constituent content 99%, trade mark SG-8；
The Styrene-Butadiene-Styrene Block Copolymer: total styrene-content 39.5%, total volatile content 0.49%,
Hardness 72(shore A), 300% stress at definite elongation is 1.62MPa；
The polyethylene-glass fibre: length 50-60mm, compression strength 599MPa, extension at break 15-25%, elasticity
Modulus is 3860mp；
The acetyl triethyl citrate: active constituent content 99.2%, relative density 1.135, water content 0.05%, flash-point
192℃；
The nanometer aluminium silicate powder: fineness is 1250 mesh.
Preparation method the following steps are included:
Step 1 weighs
Each raw material is weighed by formula rate.
Step 2 is mediated
By in the mixed machine of SG-8 polyvinyl chloride resin powder investment heat, Styrene-Butadiene-Styrene Block Copolymer, wood is then added
Potato powder, sulfosalicylic acid, polysulfide rubber；With 2000r/min high-speed stirred 40min；Then, sequentially add isophthalic acid ester,
Magnesium carbonate, polyethylene-glass fibre, di-iron trioxide, with 2500r/min high-speed stirred 12min；Then, acetyl tributyl citrate is added
Triethyl, white carbon black, epoxy Linseed oil, lauryl sodium sulfate, nanometer aluminium silicate powder, antioxidant 1010；It is warming up to 420
DEG C, 800rpm stirs 30min；So that temperature of charge is down to 20 DEG C after stirring, is discharged to storage hopper, for use.
Step 3 squeezes out
It is plasticized and squeezes out through double screw extruder, barrel temperatures set is between 180 DEG C, and die temperature is at 150 DEG C.
Step 4, calendering formation
Roll through tri-roll press machine and be formed, assign mechanical performance, to guarantee that it is cooling rapidly, cooling water, control three are led in three rollers
43 DEG C of water temperature in roller；
It finally cuts, batch, detect, be packed and stored by predetermined size.
A kind of flame retardant type PVC waterproof roll of embodiment 2
A kind of flame retardant type PVC waterproof roll, is prepared from the following raw materials in parts by weight:
68 parts of polyvinyl chloride resin, 30 parts of Styrene-Butadiene-Styrene Block Copolymer, 11 parts of tapioca starch, 9 parts of sulfosalicylic acid,
17 parts of polysulfide rubber, 15 parts of isophthalic acid ester, 5 parts of magnesium carbonate, 18 parts of polyethylene-glass fibre, 9 parts of di-iron trioxide, acetyl
10 parts of triethyl citrate, 9 parts of white carbon black, 7 parts of epoxy Linseed oil, 9.5 parts of lauryl sodium sulfate, nanometer aluminium silicate powder 5
Part, 3 parts of antioxidant 1010.
The polyvinyl chloride resin: active constituent content 99%, trade mark SG-8；
The Styrene-Butadiene-Styrene Block Copolymer: total styrene-content 39.5%, total volatile content 0.49%,
Hardness 72(shore A), 300% stress at definite elongation is 1.62MPa；
The polyethylene-glass fibre: length 50-60mm, compression strength 599MPa, extension at break 15-25%, elasticity
Modulus is 3860mp；
The acetyl triethyl citrate: active constituent content 99.2%, relative density 1.135, water content 0.05%, flash-point
192℃；
The nanometer aluminium silicate powder: fineness is 1250 mesh.
Preparation method the following steps are included:
Step 1 weighs
Each raw material is weighed by formula rate.
Step 2 is mediated
By in the mixed machine of SG-8 polyvinyl chloride resin powder investment heat, Styrene-Butadiene-Styrene Block Copolymer, wood is then added
Potato powder, sulfosalicylic acid, polysulfide rubber；With 2000r/min high-speed stirred 50min；Then, sequentially add isophthalic acid ester,
Magnesium carbonate, polyethylene-glass fibre, di-iron trioxide, with 2500r/min high-speed stirred 12min；Then, acetyl tributyl citrate is added
Triethyl, white carbon black, epoxy Linseed oil, lauryl sodium sulfate, nanometer aluminium silicate powder, antioxidant 1010；It is warming up to 420
DEG C, 800rpm stirs 30min；So that temperature of charge is down to 30 DEG C after stirring, is discharged to storage hopper, for use.
Step 3 squeezes out
It is plasticized and squeezes out through double screw extruder, barrel temperatures set is between 185 DEG C, and die temperature is at 155 DEG C.
Step 4, calendering formation
Roll through tri-roll press machine and be formed, assign mechanical performance, to guarantee that it is cooling rapidly, cooling water, control three are led in three rollers
45 DEG C of water temperature in roller；
It finally cuts, batch, detect, be packed and stored by predetermined size.
A kind of flame retardant type PVC waterproof roll of embodiment 3
A kind of flame retardant type PVC waterproof roll, is prepared from the following raw materials in parts by weight:
65 parts of polyvinyl chloride resin, 9 parts of tapioca starch, 8 parts of sulfosalicylic acid, gathers at 30 parts of Styrene-Butadiene-Styrene Block Copolymer
15 parts of sulphur rubber, 10 parts of isophthalic acid ester, 7 parts of magnesium carbonate, 19 parts of polyethylene-glass fibre, 14 parts of di-iron trioxide, acetyl
15 parts of triethyl citrate, 8 parts of white carbon black, 8 parts of epoxy Linseed oil, 7 parts of lauryl sodium sulfate, 6 parts of nanometer aluminium silicate powder,
7 parts of antioxidant 1010.
The polyvinyl chloride resin: active constituent content 99%, trade mark SG-8；
The Styrene-Butadiene-Styrene Block Copolymer: total styrene-content 39.5%, total volatile content 0.49%,
Hardness 72(shore A), 300% stress at definite elongation is 1.62MPa；
The polyethylene-glass fibre: length 50-60mm, compression strength 599MPa, extension at break 15-25%, elasticity
Modulus is 3860mp；
The acetyl triethyl citrate: active constituent content 99.2%, relative density 1.135, water content 0.05%, flash-point
192℃；
The nanometer aluminium silicate powder: fineness is 1250 mesh.
Preparation method the following steps are included:
Step 1 weighs
Each raw material is weighed by formula rate.
Step 2 is mediated
By in the mixed machine of SG-8 polyvinyl chloride resin powder investment heat, Styrene-Butadiene-Styrene Block Copolymer, wood is then added
Potato powder, sulfosalicylic acid, polysulfide rubber；With 2000r/min high-speed stirred 45min；Then, sequentially add isophthalic acid ester,
Magnesium carbonate, polyethylene-glass fibre, di-iron trioxide, with 2500r/min high-speed stirred 10min；Then, acetyl tributyl citrate is added
Triethyl, white carbon black, epoxy Linseed oil, lauryl sodium sulfate, nanometer aluminium silicate powder, antioxidant 1010；It is warming up to 440
DEG C, 800rpm stirs 35min；So that temperature of charge is down to 20 DEG C after stirring, is discharged to storage hopper, for use.
Step 3 squeezes out
It is plasticized and squeezes out through double screw extruder, barrel temperatures set is between 180 DEG C, and die temperature is at 160 DEG C.
Step 4, calendering formation
Roll through tri-roll press machine and be formed, assign mechanical performance, to guarantee that it is cooling rapidly, cooling water, control three are led in three rollers
45 DEG C of water temperature in roller；
It finally cuts, batch, detect, be packed and stored by predetermined size.
Comparative example 1
It is same as Example 3, only change a kind of formula of flame retardant type PVC waterproof roll are as follows:
It is prepared from the following raw materials in parts by weight:
65 parts of polyvinyl chloride resin, 9 parts of tapioca starch, 8 parts of sulfosalicylic acid, gathers at 30 parts of Styrene-Butadiene-Styrene Block Copolymer
15 parts of sulphur rubber, 10 parts of isophthalic acid ester, 7 parts of magnesium carbonate, 19 parts of polyethylene-glass fibre, 8 parts of white carbon black, epoxy linseed
Oily 8 parts, 7 parts of lauryl sodium sulfate, 6 parts of nanometer aluminium silicate powder, 7 parts of antioxidant 1010.
Preparation method: it is added without di-iron trioxide, acetyl triethyl citrate in kneading step, other steps and embodiment
3 is identical.
Comparative example 2
It is same as Example 3, only change a kind of formula of flame retardant type PVC waterproof roll are as follows:
It is prepared from the following raw materials in parts by weight:
68 parts of polyvinyl chloride resin, 30 parts of Styrene-Butadiene-Styrene Block Copolymer, 11 parts of tapioca starch, 9 parts of sulfosalicylic acid,
17 parts of polysulfide rubber, 15 parts of isophthalic acid ester, 5 parts of magnesium carbonate, 18 parts of polyethylene-glass fibre, 9 parts of di-iron trioxide, acetyl
10 parts of triethyl citrate, 9 parts of white carbon black, 7 parts of epoxy Linseed oil, 3 parts of antioxidant 1010.
Preparation method: lauryl sodium sulfate, nanometer aluminium silicate powder, other steps and embodiment are added without in kneading step
3 is identical.
Experiment detection:
As seen from the above table, the tensile strength of waterproof roll of the present invention is 14.9-17.5MPa, tearing strength 60-70N/mm, resistance
Combustion grade is V-1；After 80 DEG C of heat ageing 500h, the stretching strength retentivity 90-94% of coiled material；The self-healing property of long 15-20cm breach
It can be 12-16h self-healing；0.3MPa, 6h are waterproof；Seam peel strength is 6.2-7.7N/mm.
In addition to specified otherwise, percentage of the present invention is mass percent, and the ratio is mass ratio.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
It, for those skilled in the art, still can be with although describing the invention in detail with reference to the foregoing embodiments
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in guarantor of the invention
Within the scope of shield.
Claims (10)
1. a kind of flame retardant type PVC waterproof roll, it is characterised in that: including following raw material components: polyvinyl chloride resin, styrene-fourth two
Alkene-styrene block copolymer, tapioca starch, sulfosalicylic acid, polysulfide rubber, isophthalic acid ester, magnesium carbonate.
2. a kind of flame retardant type PVC waterproof roll according to claim 1, it is characterised in that: further include following raw material components:
Polyethylene-glass fibre, di-iron trioxide, acetyl triethyl citrate, white carbon black, epoxy Linseed oil, dodecyl sulphate
Sodium, nanometer aluminium silicate powder, antioxidant 1010.
3. a kind of flame retardant type PVC waterproof roll according to claim 1, it is characterised in that: by the original of following parts by weight
Material is made:
60-68 parts of polyvinyl chloride resin, 30-34 parts of Styrene-Butadiene-Styrene Block Copolymer, 8-11 parts of tapioca starch, sulfo group water
7-9 parts of poplar acid, 14-17 parts of polysulfide rubber, 10-18 parts of isophthalic acid ester, 5-8 parts of magnesium carbonate, polyethylene-glass fibre 14-19
Part, 9-14 parts of di-iron trioxide, 10-17 parts of acetyl triethyl citrate, 8-10 parts of white carbon black, 6-8 parts of epoxy Linseed oil, ten
7-9.5 parts of sodium dialkyl sulfate, 5-7 parts of nanometer aluminium silicate powder, 3-8 parts of antioxidant 1010.
4. a kind of flame retardant type PVC waterproof roll according to claim 1, it is characterised in that: the polyvinyl chloride resin: effectively
Component content is 99%, trade mark SG-8；
The Styrene-Butadiene-Styrene Block Copolymer: total styrene-content 39.5%, total volatile content 0.49%,
Hardness 72(shore A), 300% stress at definite elongation is 1.62MPa.
5. a kind of flame retardant type PVC waterproof roll according to claim 2, it is characterised in that:
The polyethylene-glass fibre: length 50-60mm, compression strength 599MPa, extension at break 15-25%, elasticity
Modulus is 3860mp；
The acetyl triethyl citrate: active constituent content 99.2%, relative density 1.135, water content 0.05%, flash-point
192℃。
6. a kind of flame retardant type PVC waterproof roll according to claim 2, it is characterised in that: the nanometer aluminium silicate powder:
Fineness is 1250 mesh.
7. a kind of preparation method of flame retardant type PVC waterproof roll, it is characterised in that: including kneading step；
The kneading includes: that styrene-butadiene-benzene second is then added by the mixed machine of SG-8 polyvinyl chloride resin powder investment heat
Alkene block copolymer, tapioca starch, sulfosalicylic acid, polysulfide rubber；With 2000r/min high-speed stirred 40-50min.
8. a kind of preparation method of flame retardant type PVC waterproof roll according to claim 7, it is characterised in that: described pinches
It closes further include: isophthalic acid ester, magnesium carbonate, polyethylene-glass fibre, di-iron trioxide are sequentially added, with 2500r/min high
Speed stirring 10-12min.
9. a kind of preparation method of flame retardant type PVC waterproof roll according to claim 7, it is characterised in that: described pinches
It closes further include: acetyl triethyl citrate, white carbon black, epoxy Linseed oil, lauryl sodium sulfate, nanometer aluminium silicate is added
Powder, antioxidant 1010；It is warming up to 420-450 DEG C, 800rpm stirs 30-35min；Temperature of charge is set to be down to 20-30 DEG C after stirring.
10. a kind of preparation method of flame retardant type PVC waterproof roll according to claim 7, it is characterised in that: further include squeezing
Out, calendering formation step；
The extrusion: it is plasticized and squeezes out through double screw extruder, between 180-185 DEG C, die head temperature is set barrel temperatures set
It is scheduled on 150-160 DEG C；
The calendering formation: 40-45 DEG C of water temperature in three rollers of control.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112140665A (en) * | 2020-09-16 | 2020-12-29 | 安徽朗凯奇防水科技股份有限公司 | Waterproof coiled material and manufacturing process thereof |
| CN112852072A (en) * | 2021-03-02 | 2021-05-28 | 中国机械工业第四建设工程有限公司 | Flame-retardant polyester fiber internal reinforced PVC (polyvinyl chloride) waterproof coiled material, preparation method and system |
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| CN112852072A (en) * | 2021-03-02 | 2021-05-28 | 中国机械工业第四建设工程有限公司 | Flame-retardant polyester fiber internal reinforced PVC (polyvinyl chloride) waterproof coiled material, preparation method and system |
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