CN108084610A - Smoke-inhibiting PVC sheet material and its production technology based on hollow glass micropearl - Google Patents
Smoke-inhibiting PVC sheet material and its production technology based on hollow glass micropearl Download PDFInfo
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- CN108084610A CN108084610A CN201810013994.9A CN201810013994A CN108084610A CN 108084610 A CN108084610 A CN 108084610A CN 201810013994 A CN201810013994 A CN 201810013994A CN 108084610 A CN108084610 A CN 108084610A
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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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
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08L2201/14—Gas barrier composition
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses a kind of smoke-inhibiting PVC sheet material and its production technology based on hollow glass micropearl, the parts by weight including following components and each component are：Polyvinyl chloride resin：80 100 parts；Hollow glass micropearl：15 parts；Heat stabilizer：37 parts；Silane coupling agent：0.5 3 parts；Press down smoke agent：10 20 parts；Calcium carbonate：8 45 parts；Aliphatic ester：0.1 0.6 parts；MBS：2 10 parts.The present invention increases suppression smoke agent（Magnesium hydroxide）Compound composition flame-retardant smoke inhibition body agent between hollow glass micropearl, using hollow glass micropearl low heat conductivity and reinforce into layer of charcoal characteristic, cooperative flame retardant presses down cigarette effect, in the case of effectively suppression cigarette, the usage amount of suppression smoke agent can be reduced, it is cheap, and significantly reduce the production cost of smoke-inhibiting PVC sheet material, energy conservation and environmental protection has a good application prospect.
Description
Technical field
The present invention relates to PVC material processing technique fields, and in particular to a kind of smoke-inhibiting PVC based on hollow glass micropearl
Sheet material and its production technology.
Background technology
Polyvinyl chloride (PVC) has excellent electrical isolation and mechanical performance, and it is cheap, therefore, it is widely used
In building and electric field.But since polyvinyl chloride has higher chlorinity, can be released when burning in air a large amount of
Black smoke；In addition, polyvinyl chloride needs to add in various auxiliary agents to meet processability and usability, such as in processing：Plasticizer
(DOTP), impact modifier (MBS) etc. is especially plasticized agent treated polyvinyl chloride, should by taking plasticizer DOTP as an example
The HCl that plasticizer treated polyvinyl chloride combustion decomposition generates reacts rapidly with DOTP, can generate terephthalic acid (TPA),
Black smoke can be formed, the smoke amount of polyvinyl chloride product ability is further increased, therefore, in order to meet this technology with referring to safely
Mark, reduces the pollution to environment, and suppression cigarette need to be carried out to polyvinyl chloride and is modified, is current problem to be solved.
The content of the invention
The purpose of the present invention is overcoming existing polyvinyl chloride (PVC) product, substantial amounts of black smoke can be released in burning,
The problem of pollution environment, environmental-protecting performance is poor.The smoke-inhibiting PVC sheet material and its production technology based on hollow glass micropearl of the present invention,
By increasing compound composition flame-retardant smoke inhibition body agent of the suppression smoke agent (magnesium hydroxide) between hollow glass micropearl, utilization is hollow
The low heat conductivity of glass microballoon presses down cigarette effect with the characteristic into layer of charcoal, cooperative flame retardant is reinforced, in the case of effectively suppression cigarette, energy
The usage amount of suppression smoke agent is reduced, it is cheap, and significantly reduce the production cost of smoke-inhibiting PVC sheet material, energy conservation and environmental protection, tool
There is good application prospect.
In order to achieve the above object, the technical solution adopted in the present invention is：
A kind of smoke-inhibiting PVC sheet material based on hollow glass micropearl, the parts by weight including following components and each component are：
Polyvinyl chloride resin：80-100 parts；
Hollow glass micropearl：1-5 parts；
Heat stabilizer：3-7 parts；
Silane coupling agent：0.5-3 parts；
Press down smoke agent：10-20 parts；
Calcium carbonate：8-45 parts；
Aliphatic ester：0.1-0.6 parts；
MBS：2-10 parts.
The foregoing smoke-inhibiting PVC sheet material based on hollow glass micropearl, described to press down smoke agent for magnesium hydroxide, the hydrogen-oxygen
Change the weight of the compound composition flame-retardant smoke inhibition body agent between magnesium and hollow glass micropearl, the magnesium hydroxide and hollow glass micropearl
Amount is than being 10: 1.
The foregoing smoke-inhibiting PVC sheet material based on hollow glass micropearl further includes the DOTP that parts by weight are 1-2 parts.
The foregoing smoke-inhibiting PVC sheet material based on hollow glass micropearl, the heat stabilizer are calcium zinc stabilizer.
The foregoing smoke-inhibiting PVC sheet material based on hollow glass micropearl, the parts by weight including following components and each component
For：
Polyvinyl chloride resin：100 parts；
Hollow glass micropearl：1 part；
Calcium zinc stabilizer：3 parts；
Silane coupling agent：2 parts；
Magnesium hydroxide：18 parts；
Calcium carbonate：25 parts；
Aliphatic ester：0.6 part；
MBS：5 parts.
The foregoing smoke-inhibiting PVC sheet material based on hollow glass micropearl, the parts by weight including following components and each component
For：
Polyvinyl chloride resin：100 parts；
Hollow glass micropearl：3 parts；
Calcium zinc stabilizer：4 parts；
Silane coupling agent：1 part；
Magnesium hydroxide：17 parts；
Calcium carbonate：40 parts；
Aliphatic ester：0.3 part；
MBS：3 parts.
A kind of production technology of the smoke-inhibiting PVC sheet material based on hollow glass micropearl, comprises the following steps,
Step (A) prepares raw material, is formed, is claimed according to the raw material of the smoke-inhibiting PVC sheet material based on hollow glass micropearl
It weighs and stirs evenly, raw material includes following components and the parts by weight of each component are：Polyvinyl chloride resin：80-100 parts；Hollow glass
Microballon：1-5 parts；Heat stabilizer：3-7 parts；Silane coupling agent：0.5-3 parts；Press down smoke agent：10-20 parts；Calcium carbonate：8-45
Part；Aliphatic ester：0.1-0.6 parts；MBS：2-10 parts；
Step (B), heat, cold mixing, by the raw material stirred evenly, hot mixing, heat are mixed in 95 DEG C -105 DEG C of heat mixes machine
The time is closed in 4-6min, is re-fed into cold mixing in 35 DEG C -50 DEG C of cold mixer, the hot mixing time is in 1-1.5min；
Step (C), curing, by heat, the raw material after cold mixing place 6-8 it is small when, it is allowed to cure；
Step (D), squeeze out, by raw material after curing be sent into screw extruder, screw speed 30r/min-38r/min,
The temperature of mouth mold connector is 170 DEG C -200 DEG C, and die temperature is 180 DEG C -195 DEG C, squeezes out smoke-inhibiting PVC sheet material；
Step (E), cooling, smoke-inhibiting PVC sheet material after extrusion by air-cooler is cooled down, is cooled to 25-35 DEG C.
The production technology of the foregoing smoke-inhibiting PVC sheet material based on hollow glass micropearl, comprises the following steps,
Step (A) prepares raw material, is formed, is claimed according to the raw material of the smoke-inhibiting PVC sheet material based on hollow glass micropearl
It weighs and stirs evenly, raw material includes following components and the parts by weight of each component are：Polyvinyl chloride resin：100 parts；Hollow glass is micro-
Pearl：1 part；Calcium zinc stabilizer：3 parts；Silane coupling agent：2 parts；Magnesium hydroxide：18 parts；Calcium carbonate：25 parts；Aliphatic ester：0.6
Part；MBS：5 parts；
Step (B), heat, cold mixing, by the raw material stirred evenly in 95 DEG C of heat mixes machine hot mixing, hot mixing time
For 5min, cold mixing in 50 DEG C of cold mixer is re-fed into, the cold mixing time is 1min；
Step (C), curing, by heat, the raw material after cold mixing place 8 it is small when, it is allowed to cure；
Step (D) squeezes out, and raw material after curing is sent into screw extruder, screw speed 38r/min, mouth mold connection
The temperature of device is 170 DEG C, and die temperature is 95 DEG C, squeezes out smoke-inhibiting PVC sheet material；
Step (E), cooling, smoke-inhibiting PVC sheet material after extrusion by air-cooler is cooled down, is cooled to 30 DEG C.
The production technology of the foregoing smoke-inhibiting PVC sheet material based on hollow glass micropearl, comprises the following steps,
Step (A) prepares raw material, is formed, is claimed according to the raw material of the smoke-inhibiting PVC sheet material based on hollow glass micropearl
It weighs and stirs evenly, raw material includes following components and the parts by weight of each component are：Polyvinyl chloride resin：100 parts；Hollow glass is micro-
Pearl：3 parts；Calcium zinc stabilizer：4 parts；Silane coupling agent：1 part；Magnesium hydroxide：17 parts；Calcium carbonate：40 parts；Aliphatic ester：0.3
Part；MBS：3 parts；
Step (B), heat, cold mixing, by the raw material stirred evenly in 105 DEG C of heat mixes machine hot mixing, hot mixing time
For 6min, cold mixing in 35 DEG C of cold mixer is re-fed into, the cold mixing time is 1min；
Step (C), curing, by heat, the raw material after cold mixing place 6 it is small when, it is allowed to cure；
Step (D) squeezes out, and raw material after curing is sent into screw extruder, screw speed 30r/min, mouth mold connection
The temperature of device is 200 DEG C, and die temperature is 180 DEG C, squeezes out smoke-inhibiting PVC sheet material；
Step (E), cooling, smoke-inhibiting PVC sheet material after extrusion by air-cooler is cooled down, is cooled to 30 DEG C.
The production technology of the foregoing smoke-inhibiting PVC sheet material based on hollow glass micropearl, step (A) prepare raw material, raw material
Further include the DOTP that parts by weight are 1-2 parts.
Beneficial effects of the present invention are：The smoke-inhibiting PVC sheet material and its production work based on hollow glass micropearl of the present invention
Skill by increasing compound composition flame-retardant smoke inhibition body agent of the suppression smoke agent (magnesium hydroxide) between hollow glass micropearl, utilizes sky
The low heat conductivity of heart glass microballoon presses down cigarette effect with the characteristic into layer of charcoal, cooperative flame retardant is reinforced, in the case of effectively suppression cigarette,
The usage amount of suppression smoke agent can be reduced, it is cheap, and the production cost of smoke-inhibiting PVC sheet material is significantly reduced, energy conservation and environmental protection,
It has a good application prospect.
Description of the drawings
Fig. 1 is the flow chart of the smoke-inhibiting PVC sheet material production technology based on hollow glass micropearl of the present invention.
Specific embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
The present invention is based on the smoke-inhibiting PVC sheet material of hollow glass micropearl, by pressing down smoke agent (magnesium hydroxide) and hollow glass
Compound composition flame-retardant smoke inhibition body agent between microballon, wherein using hollow glass micropearl low heat conductivity and reinforce into layer of charcoal
Characteristic, cooperative flame retardant suppression cigarette effect have reached with fewer suppression smoke agent (magnesium hydroxide), big loud synergy smoke-inhibiting PVC piece
The suppression cigarette of material, the parts by weight including following components and each component are：Polyvinyl chloride resin：100 parts of 80-；
Hollow glass micropearl：1-5 parts；
Heat stabilizer：3-7 parts；
Silane coupling agent：0.5-3 parts；
Press down smoke agent：10-20 parts；
Calcium carbonate：8-45 parts；
Aliphatic ester：0.1-0.6 parts；
MBS：2-10 parts.
The suppression smoke agent is magnesium hydroxide, and the compound composition between the magnesium hydroxide and hollow glass micropearl is fire-retardant
The weight ratio of suppression smoke agent, the magnesium hydroxide and hollow glass micropearl is 10：1, between magnesium hydroxide and hollow glass micropearl
It is compound by silane coupling agent carry out, flame-retardant smoke inhibition body agent be using hollow glass micropearl low heat conductivity and reinforce into
What the characteristic of layer of charcoal was realized, wherein, it reinforces into layer of charcoal characteristic and shows, hollow glass micropearl is inorganic material, for circular knot
Structure promotes into charcoal during burning, meanwhile, into being uniformly distributed in layer of charcoal, play the role of structural support point, strengthen into layer of charcoal
Robustness, prevent gas hot expanding type from damaging this into layer of charcoal in burning, realize flame-retardant smoke inhibition；Low heat conductivity is to reduce heat transfer
Efficiency plays the heat-insulated effect of combustion front and non-burning face.
Preferably, the present invention is based on the smoke-inhibiting PVC sheet material of hollow glass micropearl, it is 1-2 parts to further include parts by weight
DOTP, DOTP are plasticizer, increase the plasticity in smoke-inhibiting PVC sheet material extrusion.
Preferably, the heat stabilizer is calcium zinc stabilizer, can ensure the stabilization of the production process of smoke-inhibiting PVC sheet material
Property.
As shown in Figure 1, the production technology of the smoke-inhibiting PVC sheet material the present invention is based on hollow glass micropearl, including following step
Suddenly, step (A) prepares raw material, is formed according to the raw material of the smoke-inhibiting PVC sheet material based on hollow glass micropearl, is weighed and stirred
It mixes uniformly, raw material includes following components and the parts by weight of each component are：Polyvinyl chloride resin：80-100 parts；Hollow glass micropearl：
1-5 parts；Heat stabilizer：3-7 parts；Silane coupling agent：0.5-3 parts；Press down smoke agent：10-20 parts；Calcium carbonate：8-45 parts；Fat
Acid esters：0.1-0.6 parts；MBS：2-10 parts；
Step (B), heat, cold mixing, by the raw material stirred evenly, hot mixing, heat are mixed in 95 DEG C -105 DEG C of heat mixes machine
The time is closed in 4-6min, is re-fed into cold mixing in 35 DEG C -50 DEG C of cold mixer, the cold mixing time is in 1-1.5min；
Step (C), curing, by heat, the raw material after cold mixing place 6-8 it is small when, it is allowed to cure；
Step (D), squeeze out, by raw material after curing be sent into screw extruder, screw speed 30r/min-38r/min,
The temperature of mouth mold connector is 170 DEG C -200 DEG C, and die temperature is 180 DEG C -195 DEG C, squeezes out smoke-inhibiting PVC sheet material；
Step (E), cooling, smoke-inhibiting PVC sheet material after extrusion by air-cooler is cooled down, is cooled to 25-35 DEG C.
In order to improve plasticity of the smoke-inhibiting PVC sheet material in extrusion based on hollow glass micropearl, preparing raw material
When, the DOTP that parts by weight are 1-2 parts can be increased.
Below according to the smoke-inhibiting PVC sheet material and its production technology based on hollow glass micropearl of the present invention, introduce specific real
Apply example,
Embodiment 1, the raw material of the smoke-inhibiting PVC sheet material based on hollow glass micropearl include the weight of following components and each component
Measuring number is：Polyvinyl chloride resin：100 parts；Hollow glass micropearl：1 part；Calcium zinc stabilizer：3 parts；Silane coupling agent：2 parts；Hydroxide
Magnesium：18 parts；Calcium carbonate：25 parts；Aliphatic ester：0.6 part；MBS：5 parts, above-mentioned number is mass fraction；
The production technology of embodiment 1, it is specific as follows：
Step (A1) prepares raw material, is formed, is claimed according to the raw material of the smoke-inhibiting PVC sheet material based on hollow glass micropearl
It weighs and stirs evenly, raw material includes following components and the parts by weight of each component are：100 parts；Hollow glass micropearl：1 part；Calcium
Zinc stabilizer：3 parts；Silane coupling agent：2 parts；Magnesium hydroxide：18 parts；Calcium carbonate：25 parts；Aliphatic ester：0.6 part；MBS：5
Part；
Step (B1), heat, cold mixing, by the raw material stirred evenly in 95 DEG C of heat mixes machine hot mixing, hot mixing time
For 5min, cold mixing in 50 DEG C of cold mixer is re-fed into, the cold mixing time is 1min；
Step (C1), curing, by heat, the raw material after cold mixing place 8 it is small when, it is allowed to cure；
Step (D1) squeezes out, and raw material after curing is sent into screw extruder, screw speed 38r/min, mouth mold connects
The temperature of device is connect as 170 DEG C, die temperature is 95 DEG C, squeezes out smoke-inhibiting PVC sheet material；
Step (E1), cooling, smoke-inhibiting PVC sheet material after extrusion by air-cooler is cooled down, is cooled to 30 DEG C.
Embodiment 2, the raw material of the smoke-inhibiting PVC sheet material based on hollow glass micropearl include the weight of following components and each component
Amount number is polyvinyl chloride resin：100 parts；Hollow glass micropearl：3 parts；Calcium zinc stabilizer：4 parts；Silane coupling agent：1 part；Hydroxide
Magnesium：17 parts；Calcium carbonate：40 parts；Aliphatic ester：0.3 part；MBS：3 parts, above-mentioned number is mass fraction；
The production technology of embodiment 2, it is specific as follows：
Step (A2) prepares raw material, is formed, is claimed according to the raw material of the smoke-inhibiting PVC sheet material based on hollow glass micropearl
It weighs and stirs evenly, it is polyvinyl chloride resin that raw material, which includes following components and the parts by weight of each component,：100 parts；Hollow glass micropearl：
3 parts；Calcium zinc stabilizer：4 parts；Silane coupling agent：1 part；Magnesium hydroxide：17 parts；Calcium carbonate：40 parts；Aliphatic ester：0.3 part；
MBS：3 parts, above-mentioned number is mass fraction；
Step (B2), heat, cold mixing, by the raw material stirred evenly in 105 DEG C of heat mixes machine hot mixing, during hot mixing
Between for 6min, be re-fed into cold mixing in 35 DEG C of cold mixer, the cold mixing time is 1min；
Step (C2), curing, by heat, the raw material after cold mixing place 6 it is small when, it is allowed to cure；
Step (D2) squeezes out, and raw material after curing is sent into screw extruder, screw speed 30r/min, mouth mold connects
The temperature of device is connect as 200 DEG C, die temperature is 180 DEG C, squeezes out smoke-inhibiting PVC sheet material；
Step (E2), cooling, smoke-inhibiting PVC sheet material after extrusion by air-cooler is cooled down, is cooled to 30 DEG C.
The production technology of the smoke-inhibiting PVC sheet material based on hollow glass micropearl of the present invention, in order to ensure magnesium hydroxide and sky
Composite effect between heart glass microballoon, in step (B), by the raw material stirred evenly in the mixed machine of heat hot mixing, first add in
Then magnesium hydroxide, hot mixing add in silane coupling agent to 60-65 DEG C, hot mixing adds hollow glass to 80-85 DEG C
Microballon is mixed to 100 DEG C, is re-fed into cold mixer, is mixed to 40 DEG C, answering between such magnesium hydroxide and hollow glass micropearl
Close best results.
It by two above-mentioned embodiments, is shown experimentally that, specific effect such as following table,
From upper table, it is evident that pass through strength example 1 and 2, oxygen index (OI) rise, it was demonstrated that burning is abundant, and smoke density has obtained significantly
It reduces, no low phenomenon of melt, wherein, ST1, ST2 are the flammable grade of material.
In conclusion the smoke-inhibiting PVC sheet material and its production technology based on hollow glass micropearl of the present invention, passes through increase
Press down compound composition flame-retardant smoke inhibition body agent of the smoke agent (magnesium hydroxide) between hollow glass micropearl, utilize hollow glass micropearl
Low heat conductivity and reinforce into layer of charcoal characteristic, cooperative flame retardant suppression cigarette effect, effectively suppression cigarette in the case of, can reduce press down cigarette
The usage amount of body agent, it is cheap, and the production cost of smoke-inhibiting PVC sheet material is significantly reduced, energy conservation and environmental protection has good
Application prospect.
Basic principle, the main features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the originals of the present invention
Reason, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these change and change
Into all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent
Object defines.
Claims (10)
1. the smoke-inhibiting PVC sheet material based on hollow glass micropearl, which is characterized in that the parts by weight including following components and each component
For：
Polyvinyl chloride resin：80-100 parts；
Hollow glass micropearl：1-5 parts；
Heat stabilizer：3-7 parts；
Silane coupling agent：0.5-3 parts；
Press down smoke agent：10-20 parts；
Calcium carbonate：8-45 parts；
Aliphatic ester：0.1-0.6 parts；
MBS：2-10 parts.
2. the smoke-inhibiting PVC sheet material according to claim 1 based on hollow glass micropearl, which is characterized in that the suppression smoke
Agent is magnesium hydroxide, the compound composition flame-retardant smoke inhibition body agent between the magnesium hydroxide and hollow glass micropearl, the hydroxide
The weight ratio of magnesium and hollow glass micropearl is 10:1.
3. the smoke-inhibiting PVC sheet material according to claim 1 based on hollow glass micropearl, which is characterized in that further include weight
Number is 1-2 parts of DOTP.
4. the smoke-inhibiting PVC sheet material according to claim 2 based on hollow glass micropearl, which is characterized in that the thermostabilization
Agent is calcium zinc stabilizer.
5. the smoke-inhibiting PVC sheet material according to claim 4 based on hollow glass micropearl, which is characterized in that including with the following group
Divide and the parts by weight of each component are：
Polyvinyl chloride resin：100 parts；
Hollow glass micropearl：1 part；
Calcium zinc stabilizer：3 parts；
Silane coupling agent：2 parts；
Magnesium hydroxide：18 parts；
Calcium carbonate：25 parts；
Aliphatic ester：0.6 part；
MBS：5 parts.
6. the smoke-inhibiting PVC sheet material according to claim 4 based on hollow glass micropearl, which is characterized in that including with the following group
Divide and the parts by weight of each component are：
Polyvinyl chloride resin：100 parts；
Hollow glass micropearl：3 parts；
Calcium zinc stabilizer：4 parts；
Silane coupling agent：1 part；
Magnesium hydroxide：17 parts；
Calcium carbonate：40 parts；
Aliphatic ester：0.3 part；
MBS：3 parts.
7. the production technology of the smoke-inhibiting PVC sheet material based on hollow glass micropearl, which is characterized in that comprise the following steps,
Step（A）, prepare raw material, formed according to the raw material of the smoke-inhibiting PVC sheet material based on hollow glass micropearl, weighed and stirred
It mixes uniformly, raw material includes following components and the parts by weight of each component are：Polyvinyl chloride resin：80-100 parts；Hollow glass micropearl：1-5
Part；Heat stabilizer：3-7 parts；Silane coupling agent：0.5-3 parts；Press down smoke agent：10-20 parts；Calcium carbonate：8-45 parts；Aliphatic ester：
0.1-0.6 parts；MBS：2-10 parts；
Step (B）, heat, cold mixing, by the raw material stirred evenly in 95 DEG C -105 DEG C of heat mixes machine hot mixing, hot mixing time
In 4-6min, cold mixing in 35 DEG C -50 DEG C of cold mixer is re-fed into, the hot mixing time is in 1-1.5min；
Step（C）, curing, by heat, the raw material after cold mixing place 6-8 it is small when, it is allowed to cure；
Step（D）, squeeze out, by raw material after curing be sent into screw extruder, screw speed be 30r/min -38r/min, mouth mold
The temperature of connector is 170 DEG C -200 DEG C, and die temperature is 180 DEG C -195 DEG C, squeezes out smoke-inhibiting PVC sheet material；
Step（E）, cool down, smoke-inhibiting PVC sheet material after extrusion by air-cooler cooled down, is cooled to 25-35 DEG C.
8. the production technology of the smoke-inhibiting PVC sheet material according to claim 7 based on hollow glass micropearl, which is characterized in that
Comprise the following steps,
Step（A）, prepare raw material, formed according to the raw material of the smoke-inhibiting PVC sheet material based on hollow glass micropearl, weighed and stirred
It mixes uniformly, raw material includes following components and the parts by weight of each component are：Polyvinyl chloride resin：100 parts；Hollow glass micropearl：1 part；Calcium
Zinc stabilizer：3 parts；Silane coupling agent：2 parts；Magnesium hydroxide：18 parts；Calcium carbonate：25 parts；Aliphatic ester：0.6 part；MBS：5 parts；
Step (B）, heat, cold mixing, by the raw material stirred evenly, hot mixing, hot mixing time are in 95 DEG C of heat mixes machine
5min is re-fed into cold mixing in 50 DEG C of cold mixer, and the cold mixing time is 1min；
Step（C）, curing, by heat, the raw material after cold mixing place 8 it is small when, it is allowed to cure；
Step（D）, squeeze out, by raw material after curing be sent into screw extruder, screw speed 38r/min, mouth mold connector
Temperature is 170 DEG C, and die temperature is 95 DEG C, squeezes out smoke-inhibiting PVC sheet material；
Step（E）, cool down, smoke-inhibiting PVC sheet material after extrusion by air-cooler cooled down, is cooled to 30 DEG C.
9. the production technology of the smoke-inhibiting PVC sheet material according to claim 7 based on hollow glass micropearl, which is characterized in that
Comprise the following steps,
Step（A）, prepare raw material, formed according to the raw material of the smoke-inhibiting PVC sheet material based on hollow glass micropearl, weighed and stirred
It mixes uniformly, raw material includes following components and the parts by weight of each component are：Polyvinyl chloride resin：100 parts；Hollow glass micropearl：3 parts；Calcium
Zinc stabilizer：4 parts；Silane coupling agent：1 part；Magnesium hydroxide：17 parts；Calcium carbonate：40 parts；Aliphatic ester：0.3 part；MBS：3 parts；
Step (B）, heat, cold mixing, by the raw material stirred evenly, hot mixing, hot mixing time are in 105 DEG C of heat mixes machine
6min is re-fed into cold mixing in 35 DEG C of cold mixer, and the cold mixing time is 1min；
Step（C）, curing, by heat, the raw material after cold mixing place 6 it is small when, it is allowed to cure；
Step（D）, squeeze out, by raw material after curing be sent into screw extruder, screw speed 30r/min, mouth mold connector
Temperature is 200 DEG C, and die temperature is 180 DEG C, squeezes out smoke-inhibiting PVC sheet material；
Step（E）, cool down, smoke-inhibiting PVC sheet material after extrusion by air-cooler cooled down, is cooled to 30 DEG C.
10. the production technology of the smoke-inhibiting PVC sheet material according to claim 7 based on hollow glass micropearl, which is characterized in that
Step（A）, prepare raw material, raw material further includes the DOTP that parts by weight are 1-2 parts.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2617092A (en) * | 1991-10-23 | 1993-04-29 | Hi-Tec Building Products Pty. Ltd. | Light-weight material |
| CN103333365A (en) * | 2013-06-17 | 2013-10-02 | 青岛科技大学 | Compound inorganic flame retardant and application thereof to carrying out flame retardance on EVA (ethylene-vinyl acetate copolymer) composite material |
| CN104592675A (en) * | 2014-12-26 | 2015-05-06 | 神盾防火科技有限公司 | Polyvinyl chloride Grade-A flame-retardant fireproof wear-resistant wood-plastic floor material |
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2018
- 2018-01-08 CN CN201810013994.9A patent/CN108084610A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2617092A (en) * | 1991-10-23 | 1993-04-29 | Hi-Tec Building Products Pty. Ltd. | Light-weight material |
| CN103333365A (en) * | 2013-06-17 | 2013-10-02 | 青岛科技大学 | Compound inorganic flame retardant and application thereof to carrying out flame retardance on EVA (ethylene-vinyl acetate copolymer) composite material |
| CN104592675A (en) * | 2014-12-26 | 2015-05-06 | 神盾防火科技有限公司 | Polyvinyl chloride Grade-A flame-retardant fireproof wear-resistant wood-plastic floor material |
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