CN108148312A - A kind of leadless environment-friendly section bar and its production technology - Google Patents
A kind of leadless environment-friendly section bar and its production technology Download PDFInfo
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- CN108148312A CN108148312A CN201611107408.4A CN201611107408A CN108148312A CN 108148312 A CN108148312 A CN 108148312A CN 201611107408 A CN201611107408 A CN 201611107408A CN 108148312 A CN108148312 A CN 108148312A
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- temperature
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- section bar
- machine barrel
- raw material
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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
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
Abstract
The invention discloses a kind of leadless environment-friendly section bar, the raw material and proportioning of the section bar are as follows：PVC：120 parts；Haloflex：6 parts；Ultra-fine CaCO3：9 10 parts；ACR processing aids：1 part；Anti-impact modifier：46 parts；Calcium stearate：12 parts；Monoglyceride：0.2 part；17 18 parts of titanium dioxide；Organic tin stabilizer：1.5 2 parts.The invention also discloses the production technologies of this kind of section bar.The present invention is good by this kind of PVC profile surface gloss of optimization to section bar raw material and preparation process, and the impact strength of product is improved, and has also reached the sanitary index requirement of leadless environment-friendly type PVC profile.
Description
Technical field
The invention belongs to PVC profile Performance Optimization technique fields, and in particular to a kind of leadless environment-friendly section bar and its production work
Skill.
Background technology
Plastic material has obtained hair at full speed in China in recent years due to huge market demand and vast potential for future development
Exhibition, due to the severity of market competition, all plastics machinery manufacturers all consider a problem, how to ensure product matter
Plastic material production rate and qualification rate are improved under the premise of amount, plays the maximum capacity of equipment so as to reduce the production of product
Cost.Plastic material product is divided into window frame, balustrade, cabling channel, washboard, shape tube etc., and raw material are mainly PVC, long
Since phase, lead salt type thermal stabilizing agent is occupied an leading position in China PVC processing, but its bad dispersibility, toxicity are big, it is difficult to be obtained
Bright product.Door and window, balustrade etc. are mostly using the plastic material containing lead salt stabilizer, and harmful substance is exceeded, no
Meet environmental requirement.
Invention content
In view of this, the purpose of the present invention is to provide a kind of leadless environment-friendly section bar and its production technologies.
In order to achieve the above objectives, the present invention provides following technical solution：
A kind of leadless environment-friendly section bar, by weight, the raw material and proportioning of the section bar are as follows：PVC：120 parts；Chlorinated polyethylene
Alkene：6 parts；Superfine CaCO-3：9-10 parts；ACR processing aids：1 part；Anti-impact modifier：4-6 parts；Calcium stearate：1-2 parts；It is single
Sweet fat：0.2 part；17-18 parts of titanium dioxide；Organic tin stabilizer：1.5-2 part.
Further, the anti-impact modifier is CPE resins, CPVC resins, ABS resin, MBS resins, EVA resin, NBR
Any one or a few in resin, ACR resins.
The preparation process of the leadless environment-friendly section bar, step are as follows：
1) major ingredient machine barrel is added raw materials into, the major ingredient machine barrel includes machine barrel, extrusion die and rotatable screw rod, the machine barrel
There are 4 temperature-controlled areas, setting first, second, third, fourth temperature-controlled area temperature of machine barrel is respectively 170-185 DEG C, 170-
185 DEG C, 160~170 DEG C, 160~170 DEG C, the head die has 2 temperature-controlled areas, sets extrusion die first, second
Temperature-controlled area temperature is respectively 180~195 DEG C, 180~195 DEG C, adjustment screw rotating speed be 30~37r/min, raw material slave
Cylinder is as screw rod is by first, second, third, fourth temperature-controlled area of machine barrel, using first, second temperature control of extrusion die
Area processed is to extruder；
2) raw material is squeezed out by extruder, extruded velocity control for 1.5~2m/min, after drawn through dragger into Vacuum shaping
Mould, vacuum degree control is in 0.08-0.1MPa, hauling speed 1.5-2.2m/min, after shaper shapes, then by cold
But water tank Water cooling, water temperature control are 21~25 DEG C.
Further, setting first, second, third, fourth temperature-controlled area temperature of machine barrel is respectively 180 in the step 1)
DEG C, 175 DEG C, 170 DEG C, 160 DEG C, setting first, second temperature-controlled area temperature of extrusion die is respectively 190 DEG C, 190 DEG C.
The beneficial effects of the present invention are：The present invention has found best arranging scheme by the optimization to section bar raw material.Knot
Fruit shows by adjusting the dosage of lubricant and using nanoscale CaCO3Aided Modification PVC matrix adds in certain titanium dioxide
The weatherability of section bar can be increased, no lead stabilizer selects organotin that section bar can be made to reach the requirement without heavy metal, nontoxic, without dirt
Dye can be such that section bar is steadily produced in process engineering is squeezed out in the lubricant for adding in certain, and surface gloss is good, the anti-impact of product
Hit intensity is improved, and has also reached the sanitary index requirement of leadless environment-friendly type PVC profile.
Specific embodiment
The preferred embodiment of the present invention will be described in detail below.
Embodiment 1
By weight, first by raw material by the uniformly mixing of following proportioning：PVC：120 parts；Haloflex：6 parts；It is ultra-fine
CaCO3：9 parts；ACR processing aids：1 part；ABS resin：5 parts；Calcium stearate：1 part；Monoglyceride：0.2 part；17 parts of titanium dioxide；Have
Machine tin stabilizer：2 parts.
Raw material is squeezed out by following technique：
1) major ingredient machine barrel is added raw materials into, the major ingredient machine barrel includes machine barrel, extrusion die and rotatable screw rod, the machine
Cylinder has 4 temperature-controlled areas, setting first, second, third, fourth temperature-controlled area temperature of machine barrel is respectively 185 DEG C, 180 DEG C,
160 DEG C, 165 DEG C, the head die has 2 temperature-controlled areas, first, second temperature-controlled area temperature point of setting extrusion die
Wei not be 180 DEG C, 180 DEG C, adjustment screw rotating speed is 33r/min, and raw material is from machine barrel as screw rod is by machine barrel first, second, the
3rd, the 4th temperature-controlled area, using first, second temperature-controlled area of extrusion die to extruder；
2) raw material is squeezed out by extruder, extruded velocity control for 2m/min, after drawn through dragger into Vacuum shaping mould, very
Reciprocal of duty cycle control wears water cooling in 0.1MPa, hauling speed 2.0m/min after shaper shapes, then by cooling water tank
But, water temperature control is 25 DEG C.
Prepared product surface glossiness is good, and the impact strength of product is improved, and has also reached leadless environment-friendly
The sanitary index requirement of type PVC profile.
Embodiment 2
By weight, first by raw material by the uniformly mixing of following proportioning：PVC：120 parts；Haloflex：6 parts；It is ultra-fine
CaCO3：10 parts；ACR processing aids：1 part；NBR resins：5 parts；Calcium stearate：2 parts；Monoglyceride：0.2 part；18 parts of titanium dioxide；
Organic tin stabilizer：1.5 part.
Raw material is squeezed out by following technique：
1) major ingredient machine barrel is added raw materials into, the major ingredient machine barrel includes machine barrel, extrusion die and rotatable screw rod, the machine barrel
Have 4 temperature-controlled areas, setting first, second, third, fourth temperature-controlled area temperature of machine barrel is respectively 170 DEG C, 175 DEG C,
170 DEG C, 160 DEG C, the head die has 2 temperature-controlled areas, first, second temperature-controlled area temperature point of setting extrusion die
Wei not be 195 DEG C, 180 DEG C, adjustment screw rotating speed is 35r/min, and raw material is from machine barrel as screw rod is by machine barrel first, second, the
3rd, the 4th temperature-controlled area, using first, second temperature-controlled area of extrusion die to extruder；
2) raw material is squeezed out by extruder, extruded velocity control for 1.5m/min, after drawn through dragger into Vacuum shaping mould,
Vacuum degree control wears water in 0.09MPa, hauling speed 1.9m/min after shaper shapes, then by cooling water tank
Cooling, water temperature control are 25 DEG C.
Prepared product surface glossiness is good, and the impact strength of product is improved, and has also reached leadless environment-friendly
The sanitary index requirement of type PVC profile.
Embodiment 3
By weight, first by raw material by the uniformly mixing of following proportioning：PVC：120 parts；Haloflex：6 parts；It is ultra-fine
CaCO3：10 parts；ACR processing aids：1 part；ACR resins：5 parts；Calcium stearate：2 parts；Monoglyceride：0.2 part；18 parts of titanium dioxide；
Organic tin stabilizer：1.5 part.
Raw material is squeezed out by following technique：
1) major ingredient machine barrel is added raw materials into, the major ingredient machine barrel includes machine barrel, extrusion die and rotatable screw rod, the machine barrel
Have 4 temperature-controlled areas, setting first, second, third, fourth temperature-controlled area temperature of machine barrel is respectively 175 DEG C, 180 DEG C,
165 DEG C, 160 DEG C, the head die has 2 temperature-controlled areas, first, second temperature-controlled area temperature point of setting extrusion die
Wei not be 182 DEG C, 189 DEG C, adjustment screw rotating speed is 36r/min, and raw material is from machine barrel as screw rod is by machine barrel first, second, the
3rd, the 4th temperature-controlled area, using first, second temperature-controlled area of extrusion die to extruder；
2) raw material is squeezed out by extruder, extruded velocity control for 1.5m/min, after drawn through dragger into Vacuum shaping mould,
Vacuum degree control wears water in 0.09MPa, hauling speed 1.9m/min after shaper shapes, then by cooling water tank
Cooling, water temperature control are 25 DEG C.
Prepared product surface glossiness is good, and the impact strength of product is improved, and has also reached leadless environment-friendly
The sanitary index requirement of type PVC profile.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (4)
1. a kind of leadless environment-friendly section bar, which is characterized in that by weight, the raw material and proportioning of the section bar are as follows：PVC：120
Part；Haloflex：6 parts；Ultra-fine CaCO3：9-10 parts；ACR processing aids：1 part；Anti-impact modifier：4-6 parts；Stearic acid
Calcium：1-2 parts；Monoglyceride：0.2 part；17-18 parts of titanium dioxide；Organic tin stabilizer：1.5-2 part.
2. leadless environment-friendly section bar according to claim 1, which is characterized in that the anti-impact modifier is CPE resins, CPVC
Any one or a few in resin, ABS resin, MBS resins, EVA resin, NBR resins, ACR resins.
3. the preparation process of leadless environment-friendly section bar described in claim 1, which is characterized in that step is as follows：
1) major ingredient machine barrel is added raw materials into, the major ingredient machine barrel includes machine barrel, extrusion die and rotatable screw rod, the machine barrel
There are 4 temperature-controlled areas, setting first, second, third, fourth temperature-controlled area temperature of machine barrel is respectively 170-185 DEG C, 170-
185 DEG C, 160~170 DEG C, 160~170 DEG C, the head die has 2 temperature-controlled areas, sets extrusion die first, second
Temperature-controlled area temperature is respectively 180~195 DEG C, 180~195 DEG C, adjustment screw rotating speed be 30~37r/min, raw material slave
Cylinder is as screw rod is by first, second, third, fourth temperature-controlled area of machine barrel, using first, second temperature control of extrusion die
Area processed is to extruder；
2) raw material is squeezed out by extruder, extruded velocity control for 1.5~2m/min, after drawn through dragger into Vacuum shaping
Mould, vacuum degree control is in 0.08-0.1MPa, hauling speed 1.5-2.2m/min, after shaper shapes, then by cold
But water tank Water cooling, water temperature control are 21~25 DEG C.
4. the preparation process of leadless environment-friendly section bar according to claim 3, which is characterized in that setting machine barrel in the step 1)
First, second, third, fourth temperature-controlled area temperature is respectively 180 DEG C, 175 DEG C, 170 DEG C, 160 DEG C, setting extrusion die the
First, second temperature control zone temperature is respectively 190 DEG C, 190 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611107408.4A CN108148312A (en) | 2016-12-06 | 2016-12-06 | A kind of leadless environment-friendly section bar and its production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611107408.4A CN108148312A (en) | 2016-12-06 | 2016-12-06 | A kind of leadless environment-friendly section bar and its production technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108148312A true CN108148312A (en) | 2018-06-12 |
Family
ID=62470994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611107408.4A Pending CN108148312A (en) | 2016-12-06 | 2016-12-06 | A kind of leadless environment-friendly section bar and its production technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108148312A (en) |
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2016
- 2016-12-06 CN CN201611107408.4A patent/CN108148312A/en active Pending
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Application publication date: 20180612 |