CN104530606B - Anti-adhering PVC extruded sheet and preparation method thereof - Google Patents
Anti-adhering PVC extruded sheet and preparation method thereof Download PDFInfo
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- CN104530606B CN104530606B CN201510023678.6A CN201510023678A CN104530606B CN 104530606 B CN104530606 B CN 104530606B CN 201510023678 A CN201510023678 A CN 201510023678A CN 104530606 B CN104530606 B CN 104530606B
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/28—Component parts, details or accessories; Auxiliary operations for measuring, controlling or regulating, e.g. viscosity control
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/58—Measuring, controlling or regulating
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
Abstract
The invention discloses an anti-adhering PVC extruded sheet and a preparation method thereof. The key point of the technical scheme is that the anti-adhering PVC extruded sheet comprises the following components in parts by mass: 75-100 parts of PVC resin, 1.5-2 parts of methyltin mercaptide, 3-5 parts of dioctyl terephthalate, 8-10 parts of MBS and 0.4-0.8 part of an anti-adhering agent. The preparation method comprises the following step: proportioning the main materials: PVC resin powder, methyltin mercaptide, dioctyl terephthalate, MBS and anti-adhering agent in appointed parts by mass. The smoothness of the surface of the sheet is changed, so that the adsorption capacity of the surface is reduced. The advantage of surface smoothness of the extruded sheet disappears whereas the surface smoothness is blindly reduced. Therefore, the sheet is thin by virtue of a special preparation method, much fog is avoided, the transparency and smoothness of the sheet are improved, and perfect combination of the smoothness and the anti-adhering property of the sheet is guaranteed.
Description
Technical field
The present invention relates to a kind of PVC technical fields, more specifically, it relates to a kind of anti-stick PVC extrudate pieces and its preparation
Method.
Background technology
Use of the PVC sheet in life is more and more universal, and the mode of production of current PVC sheet mainly has calendering and extrudes
Two kinds, compared to the PVC calendared sheets by calendering out, PVC extrudate pieces have transparency high, without fisheye, without the excellent of flow liner
Point, but the shortcoming of extrudate piece is also apparent from, due to show it is smooth cause absorption affinity very strong, sheet production out after easy day
Right is attached together, and causes sheet material to pass through the UV offset presses of high speed printing, can only service efficiency it is relatively low under it is artificial
Silk screen printing, except efficiency and cost issues, silk screen printing also has the shortcoming that chromatography is forbidden, aberration is big, asks to process this
Topic, allows pvc extrusion sheets by UV offset press printings, and general way is that one layer of PE protection is pasted on sheet material on market
Film, and the cost of PE films is very high, after being completed for printing, also manually to remove PE protecting film, causes product cost significantly
Improve.
The sheet thickness for being suitable to stamp generally wants below 0.6mm, although calendering mode can obtain thin sheet material, cost
Height, it is thicker that extrusion way compares the sheet thickness for obtaining, comparatively low cost, but the general limit can only accomplish that 0.28mm is left
The right side, thickness can directly affect the transparency of sheet material and the in the above effect of stamp.
Therefore invent a kind of product can not pasting protective film directly by UV offset press printings, and the sheet material tool of thickness of thin
It is of great importance.
The content of the invention
In view of the shortcomings of the prior art, primary and foremost purpose of the invention is to provide a kind of with good anti-adhesive properties
Anti-stick PVC extrudate pieces.
Another object of the present invention is to provide the preparation method of above-mentioned anti-stick PVC extrudate pieces.
For achieving the above object, the invention provides following technical scheme：A kind of anti-stick PVC extrudate pieces, including following press
The component of mass parts meter：
PVC resin powder 75-100 part；
Thiol methyl tin 1.5-2 parts；
P-phthalic acid dibutyl ester 3-5 parts；
MBS 8-10 parts；
Antiplastering aid 0.4-0.8 parts.
Further, the antiplastering aid is ethylene bis stearamide.
The preparation method of anti-stick PVC extrudate pieces：
（1）By 75-100 part main material PVC resin powders, 1.5-2 part auxiliary agent thiol methyl tins, 3-5 parts p-phthalic acid two
Pungent fat puts into heated and stirred in high mixed kneading machine；
（2）In heated and stirred, MBS is added when temperature is increased to 90-95 DEG C；
（3）In heated and stirred, when temperature is increased to 100-105 DEG C of addition antiplastering aids；
（4）When masterbatch temperature is increased to 110-115 DEG C, masterbatch is discharged to into the cooling of cold mixing machine；
（5）When temperature is cooled to 70-60 DEG C, masterbatch is put into into heating extrusion plasticizing in conical double-screw and enters mould；
Masterbatch after plasticizing is led into three-roller calendar molding.
Further, the height of the mould lip is less than three-roller calendar central roll and upper roller intersection 2-3cm.
Further, upper roller velocity of rotation 4%-6% slower than central roll velocity of rotation, central roll velocity of rotation is than lower roll velocity of rotation
Slow 3%-5%.
Compared with prior art, it is an advantage of the current invention that：By major ingredient PVC resin powder, thiol methyl tin, p-phthalic acid
Dibutyl ester, MBS and antiplastering aid carry out proportioning by the number specified, and change the slickness of sheet surface so as to reduce surface
Absorption affinity, but if simply reduction surface smoothness, the smooth advantage in extrudate piece surface will be lost, therefore pass through again
Above-mentioned special preparation method so that the thickness of thin of sheet material, and avoid fog too many, improves the transparency of sheet material and smooth
Degree, it is ensured that the smoothness of sheet material and the perfect adaptation of resistance to bond, so as to obtain on the premise of the smoothness of sheet material is kept simultaneously
With resistance to bond PVC extrudate piece, it is difficult to adsorb dust and in subsequent handling with regard to without the need for carrying out pasting protective film behaviour on its surface
Make, on the one hand save production cost, on the other hand reduce operation manually, energy-conserving and environment-protective.
Description of the drawings
Fig. 1 is the structure chart of three-roller calendar embodiment of the present invention.
Reference：1st, upper roller；2nd, central roll；3rd, lower roll；4th, mould；41st, die orifice.
Specific embodiment
A kind of anti-stick PVC extrudate pieces, including following components in parts by weight：PVC resin powder 75-100 part, thiol methyl
Stannum 1.5-2 parts, p-phthalic acid dibutyl ester 3-5 parts, MBS 8-10 parts, antiplastering aid 0.4-0.8 parts.
Thiol methyl tin：
It is the one kind in three big organotin kinds, transparent clear thick liquid is good with the PVC compatibilitys, fatty with C8-C12
The low pole oil products such as alcohol, C8-C12 fatty acids, phosphite fatty alcohol, oils and fatss are compatible, and nonflammable, freezing point is low, even if -20
It is DEG C still thick liquid, and it has the transparency of brilliance, using matching somebody with somebody for organotin, especially thiol methyl tin heat stabilizer
Just, the product as being crystallized, is not in albinism, ensure that the transparency and smoothness of PVC sheet, due to
Thiol methyl tin is environmental protection stabilizer, is not polluted the environment；
It is good with the PVC compatibilitys, it is easily dispersed in PVC coordination compounds, with good mobility, in the product of its processing
Life-time service also will not be separated out, therefore, do not interfere with the surface nature and electrical property of PVC sheet.The compatibility of methyl stannum and PVC
It is better than butyl tin and tin octylate；
Resistance to fouling tendency is strong, scale formation will not occur using thiol methyl tin, it is possible to reduce the clear number of times of equipment, improves
Production efficiency, reduces production cost, raises profits.
DOTP（DOTP）：
It is a kind of primary plasticizer of function admirable, with heat-resisting, cold-resistant, difficult volatilization, anti-extraction, flexibility and electrical insulating property
Can be good the advantages of, it is possible to increase the persistency of PVC sheet, resistance to soap aqueouss and low-temperature pliability, because its volatility is low, producing
Process can to a certain extent reduce the effect being atomized.
MBS：
It is methyl methacrylate, butadiene and cinnamic terpolymer, and it has typical nucleocapsid structure,
Because its solubility parameters is close with PVC, therefore both thermodynamic compatibility is good, shows as PVC and has very under room temperature or low temperature
High impact strength.And because it is close with PVC refraction indexs, therefore after both blended meltings, easily reach homogeneous
Refractive index, therefore the transparency of PVC sheet can also be increased.
Antiplastering aid（Ethylene bis stearamide）：
Its in process of production as inside and outside lubrication prescription, with good fineness and release property, therefore appropriate second
Support bis-stearamides also increase the resistance to bond of PVC sheet, the sheet material produced under the premise of the fineness for increasing PVC sheet
It is difficult to adhere to each other.
The preparation method of anti-stick PVC extrudate pieces：
（1）By 75-100 part main material PVC resin powders, 1.5-2 part auxiliary agent thiol methyl tins, 3-5 parts p-phthalic acid two
Pungent fat puts into heated and stirred in high mixed kneading machine；
（2）In heated and stirred, MBS is added when temperature is increased to 90-95 DEG C；
（3）In heated and stirred, when temperature is increased to 100-105 DEG C of addition antiplastering aids；
（4）When masterbatch temperature is increased to 110-115 DEG C, masterbatch is discharged to into the cooling of cold mixing machine；
（5）When temperature is cooled to 70-60 DEG C, masterbatch is put into into heating extrusion plasticizing in conical double-screw and enters mould；
Masterbatch after plasticizing is led into three-roller calendar molding.
Three-roller calendar molding includes upper roller, central roll and lower roll, and the lip of mould is corresponding with central roll, wherein mould
The height of lip is less than calender central roll and upper roller intersection 2-3cm.
Upper roller velocity of rotation 4%-6% slower than central roll velocity of rotation, central roll velocity of rotation 3%-5% slower than lower roll velocity of rotation
So when masterbatch is extruded to the central roll of three-roller calendar from mold lip, because it is highly highly deposited with central roll
In certain deviation, and then structure is at an angle, increases the tension force of extrusion molding sheet material such that it is able to obtain thinner PVC pieces
Material, the thickness of the sheet material can reach 0.2mm, or even thinner than 0.2mm, and the transparency of PVC sheet is so increased first, and
And production cost is saved, furthermore thinner sheet material is more prone in the operation such as later stage stamp, and effect is more significantly.
Because can produce mist on sheet material in process of production, increase rubs and reduction electrostatic, but product mist amount can cause when big
Transparency declines, and this method is by the setting in upper roller, central roll and lower roller speed, it is to avoid excessive product mist amount, it is to avoid sheet material
Transparency declines, it is ensured that
With reference to embodiment, the present invention is described in further detail, but embodiments of the present invention not limited to this.
Embodiment 1：
Raw material number
PVC resin powder 75
Thiol methyl tin 1.5
DOTP 3
MBS 8
Antiplastering aid（Ethylene bis stearamide） 0.4
Preparation method：
（1）By 75 parts of main material PVC resin powders, 1.5 parts of auxiliary agent thiol methyl tins, 3 parts of p-phthalic acid dibutyl ester inputs
The heated and stirred in high mixed kneading machine；
（2）In heated and stirred, when temperature is increased to 90 DEG C MBS is added；
（3）In heated and stirred, when temperature is increased to 100 DEG C of additions, 0.4 part of antiplastering aid（Ethylene bis stearamide）；
（4）When masterbatch temperature is increased to 110 DEG C, masterbatch is discharged to into the cooling of cold mixing machine；
（5）When temperature is cooled to 70 DEG C, masterbatch is put into into heating extrusion plasticizing in conical double-screw and enters mould；Will modeling
Masterbatch after change is led into three-roller calendar molding.
Wherein the height of the lip of mould is less than three-roller calendar central roll and upper roller intersection 2cm.
Upper roller velocity of rotation slower than central roll velocity of rotation 4%, central roll velocity of rotation slower than lower roll velocity of rotation 3%.
Finally extrusion is prepared into PVC sheet.
PVC sheet to preparing carries out Thickness sensitivity and adhesive is tested, and adhesive carries out testing with a diameter of
The aluminium bar of 5mm, with the speed of 150mm/min along the vertical direction uniform motion of its axis, makes the two sheets that adhesion each other
It is drifted apart from, stiction force is represented with the mean force needed for separate per unit adhesion, adhesion unit of force is N/mm, and size is：
Length * width=300mm*250mm, other steps are strictly in accordance with standard.
Jing is tested, and the PVC extrusion sheets thickness for preparing is 0.212mm, and stiction force is 0.256N/mm.
Embodiment 2：
Raw material number
PVC resin powder 100
Thiol methyl tin 2
DOTP 5
MBS 10
Antiplastering aid（Ethylene bis stearamide） 0.8
Preparation method：
（1）100 parts of main material PVC resin powders, 2 parts of auxiliary agent thiol methyl tins, 5 parts of p-phthalic acid dibutyl esters are put into
Heated and stirred in the mixed kneading machine of height；
（2）In heated and stirred, when temperature is increased to 95 DEG C MBS is added；
（3）In heated and stirred, when temperature is increased to 105 DEG C of additions, 0.8 part of antiplastering aid（Ethylene bis stearamide）；
（4）When masterbatch temperature is increased to 115 DEG C, masterbatch is discharged to into the cooling of cold mixing machine；
（5）When temperature is cooled to 60 DEG C, masterbatch is put into into heating extrusion plasticizing in conical double-screw and enters mould；Will modeling
Masterbatch after change is led into three-roller calendar molding.
Wherein the height of the lip of mould is less than three-roller calendar central roll and upper roller intersection 3cm.
Upper roller velocity of rotation slower than central roll velocity of rotation 6%, central roll velocity of rotation slower than lower roll velocity of rotation 5%.
Finally extrusion is prepared into PVC sheet.
PVC sheet to preparing carries out Thickness sensitivity and adhesive is tested, and adhesive carries out testing with a diameter of
The aluminium bar of 5mm, with the speed of 150mm/min along the vertical direction uniform motion of its axis, makes the two sheets that adhesion each other
It is drifted apart from, stiction force is represented with the mean force needed for separate per unit adhesion, adhesion unit of force is N/mm, and size is：
Length * width=300mm*250mm, other steps are strictly in accordance with standard.
Jing is tested, and the PVC extrusion sheets thickness for preparing is 0.225mm, and stiction force is 0.238N/mm.
Embodiment 3：
Raw material number
PVC resin powder 90
Thiol methyl tin 1.75
DOTP 4
MBS 9
Antiplastering aid（Ethylene bis stearamide） 0.6
Preparation method：
（1）By 90 parts of main material PVC resin powders, 1.75 parts of auxiliary agent thiol methyl tins, 4 parts of p-phthalic acid dibutyl ester inputs
The heated and stirred in high mixed kneading machine；
（2）In heated and stirred, when temperature is increased to 93 DEG C MBS is added；
（3）In heated and stirred, when temperature is increased to 103 DEG C of additions, 0.8 part of antiplastering aid（Ethylene bis stearamide）；
（4）When masterbatch temperature is increased to 113 DEG C, masterbatch is discharged to into the cooling of cold mixing machine；
（5）When temperature is cooled to 65 DEG C, masterbatch is put into into heating extrusion plasticizing in conical double-screw and enters mould；Will modeling
Masterbatch after change is led into three-roller calendar molding.
Wherein the height of the lip of mould is less than three-roller calendar central roll and upper roller intersection 2.5cm.
Upper roller velocity of rotation slower than central roll velocity of rotation 5%, central roll velocity of rotation slower than lower roll velocity of rotation 4%.
Finally extrusion is prepared into PVC sheet.
PVC sheet to preparing carries out Thickness sensitivity and adhesive is tested, and adhesive carries out testing with a diameter of
The aluminium bar of 5mm, with the speed of 150mm/min along the vertical direction uniform motion of its axis, makes the two sheets that adhesion each other
It is drifted apart from, stiction force is represented with the mean force needed for separate per unit adhesion, adhesion unit of force is N/mm, and size is：
Length * width=300mm*250mm, other steps are strictly in accordance with standard.
Jing is tested, and the PVC extrusion sheets thickness for preparing is 0.195mm, and stiction force is 0.206N/mm.
Can to sum up draw, thinner PVC extrusion sheets can be obtained by the proportioning and preparation method of embodiment 3,
Thickness can be less than 0.2mm, reach 0.195mm, and this is to be difficult to reach by extrusion molding mode at present, and while obtain
The stiction force of sheet material only has 0.206N/mm, and sheet material has good resistance to bond, therefore just without the need in sheet material follow-up operation
On carry out pasting PE protection membrane operations, on the one hand do not use PE films can energy-conserving and environment-protective, the cost of another aspect PE film is very high,
By reducing this operation, production cost can be to a great extent reduced, through calculating compared with original, be obtained by of the invention
To anti-stick PVC extrudate pieces can reduce the production cost of 15-18% or so；
Therefore, embodiment 3 is optimum embodiment of the invention, and the principle of the present invention is：By by major ingredient polyvinyl chloride resin
Powder, thiol methyl tin, p-phthalic acid dibutyl ester, MBS and antiplastering aid carry out proportioning by the number specified, and change sheet material table
The slickness in face is so as to reduce the absorption affinity on surface, but if the smoothness on reduction surface simply, and extrudate piece surface is smooth
Advantage will lose, therefore again by above-mentioned special preparation method, and the improvement on critical process：
（1）Wherein die orifice is I less than the height of calender central roll and upper roller intersection, and the distance of I is 2.5cm, this
Highly there is certain deviation in the height of sample die orifice, and then structure is at an angle with central roll, increase extrusion molding sheet material
Tension force such that it is able to obtain thinner PVC sheet, the thickness of the sheet material is less than 0.2mm, reaches 0.195mm, so first
The transparency of PVC sheet is increased, and saves production cost；
（2）Upper roller velocity of rotation 4%-6% slower than central roll velocity of rotation, central roll velocity of rotation is slower than lower roll velocity of rotation
3%-5%, preferred upper roller velocity of rotation slower than central roll velocity of rotation 5%, central roll velocity of rotation slower than lower roll velocity of rotation 4% is led to
The control crossed in three roller velocities of rotation, it is to avoid fog is too many, improves the transparency and smoothness of sheet material, it is ensured that sheet material
The perfect adaptation of smoothness and resistance to bond, so as to obtain that there is resistance to bond PVC on the premise of the smoothness of sheet material is kept simultaneously
Extrudate piece.
Above-mentioned die orifice is illustrated with the position relationship of three-roller calendar internal structure with reference to Fig. 1.
Three-roller calendar mainly includes upper roller, central roll and lower roll, and mould is located at the side of central roll, and the position of mould is with
, highly less than central roll and the intersection of upper roller, low distance is I, there is sign on the diagram for roller correspondence, the wherein die orifice of mould.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned enforcement
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
Should be regarded as protection scope of the present invention.
Claims (1)
1. a kind of anti-stick PVC extrudate pieces, is characterized in that：Including following components in parts by weight：
PVC resin powder 75-100 part；
Thiol methyl tin 1.5-2 parts；
P-phthalic acid dibutyl ester 3-5 parts；
MBS 8-10 parts；
Antiplastering aid 0.4-0.8 parts；
The antiplastering aid is ethylene bis stearamide；
The preparation method of the anti-stick PVC extrudate pieces comprises the steps：
（1）By 75-100 part main material PVC resin powders, 1.5-2 part auxiliary agent thiol methyl tins, 3-5 part p-phthalic acid dibutyl esters
Put into heated and stirred in high mixed kneading machine；
（2）In heated and stirred, MBS is added when temperature is increased to 90-95 DEG C；
（3）In heated and stirred, when temperature is increased to 100-105 DEG C of addition antiplastering aids；
（4）When masterbatch temperature is increased to 110-115 DEG C, masterbatch is discharged to into the cooling of cold mixing machine；
（5）When temperature is cooled to 70-60 DEG C, masterbatch is put into into heating extrusion plasticizing in conical double-screw and enters mould；Will modeling
Masterbatch after change is led into three-roller calendar molding；The height of the mould lip is less than three-roller calendar central roll and upper roller intersection
2-3cm；Upper roller velocity of rotation 4%-6% slower than central roll velocity of rotation, central roll velocity of rotation 3%-5% slower than lower roll velocity of rotation.
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| CN201510023678.6A CN104530606B (en) | 2015-01-16 | 2015-01-16 | Anti-adhering PVC extruded sheet and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510023678.6A CN104530606B (en) | 2015-01-16 | 2015-01-16 | Anti-adhering PVC extruded sheet and preparation method thereof |
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| Publication Number | Publication Date |
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| CN104530606A CN104530606A (en) | 2015-04-22 |
| CN104530606B true CN104530606B (en) | 2017-05-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106905644A (en) * | 2017-04-25 | 2017-06-30 | 昆山奥瑞航空包装材料有限公司 | One kind calendering PVC easily tears hard transparent film |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102911458A (en) * | 2012-10-22 | 2013-02-06 | 广德天运无纺有限公司 | Polyvinyl chloride (PVC) sheet produced by utilizing waste PVC |
| CN103131099A (en) * | 2012-11-14 | 2013-06-05 | 汕头市甜甜乐糖果食品有限公司 | Polyvinyl chloride (PVC) hard non-toxic uvioresistant sheet |
| CN103602009A (en) * | 2013-11-26 | 2014-02-26 | 山东瑞丰高分子材料股份有限公司 | High-transparency no-flow line hard PVC (polyvinyl chloride) calendered sheet and preparation method thereof |
-
2015
- 2015-01-16 CN CN201510023678.6A patent/CN104530606B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102911458A (en) * | 2012-10-22 | 2013-02-06 | 广德天运无纺有限公司 | Polyvinyl chloride (PVC) sheet produced by utilizing waste PVC |
| CN103131099A (en) * | 2012-11-14 | 2013-06-05 | 汕头市甜甜乐糖果食品有限公司 | Polyvinyl chloride (PVC) hard non-toxic uvioresistant sheet |
| CN103602009A (en) * | 2013-11-26 | 2014-02-26 | 山东瑞丰高分子材料股份有限公司 | High-transparency no-flow line hard PVC (polyvinyl chloride) calendered sheet and preparation method thereof |
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| CN104530606A (en) | 2015-04-22 |
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