CN112724590A - ABS improved hollowed-out plate and preparation method thereof - Google Patents

ABS improved hollowed-out plate and preparation method thereof Download PDF

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Publication number
CN112724590A
CN112724590A CN202011621145.5A CN202011621145A CN112724590A CN 112724590 A CN112724590 A CN 112724590A CN 202011621145 A CN202011621145 A CN 202011621145A CN 112724590 A CN112724590 A CN 112724590A
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CN
China
Prior art keywords
parts
abs
stencil
antioxidant
hollowed
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CN202011621145.5A
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Chinese (zh)
Inventor
王涛
朱超
宋保业
李元
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Jurong Gcl Photovoltaic Technology Co Ltd
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Jurong Gcl Photovoltaic Technology Co Ltd
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Priority to CN202011621145.5A priority Critical patent/CN112724590A/en
Publication of CN112724590A publication Critical patent/CN112724590A/en
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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
    • C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
    • C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
    • 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
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • 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
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • 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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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The invention discloses an ABS improved hollowed-out board and a preparation method thereof. The hollow board comprises the following components in parts by weight: 60-80 parts of ABS resin, 18-40 parts of PMMA resin, 0.5-2 parts of antibacterial agent and 0.3-3 parts of antioxidant. According to the invention, through improving the material of the hollowed-out plate, the proper hardness and the brittleness and temperature resistance are ensured, meanwhile, the mass molecule arrangement of the internal material is researched, the ABS resin contains side phenyl, cyano and unsaturated double bonds, and the PMMA has polar side methyl and ester groups, so that favorable conditions are provided for the blending grafting of the ABS resin and the unsaturated double bonds, the internal mass molecule arrangement and the hardness are improved, and the plastic sheet cutting line clamping caused by the deformation of the plate after high temperature is avoided.

Description

ABS improved hollowed-out plate and preparation method thereof
Technical Field
The invention relates to the field of materials, in particular to an ABS (acrylonitrile butadiene styrene) improved hollowed-out board and a preparation method thereof.
Background
In the current cost measuring structure, the proportion of the line liquid cost is gradually reduced, the marginal effect of the traditional control reduction of the line liquid cost is obvious, the effect is weaker and weaker, the proportion of the auxiliary materials is gradually increased, particularly, a monocrystalline silicon piece is researched, the cutting form of a diamond line in the cutting and processing process of the monocrystalline silicon piece on an LC special machine is found, the influence of the cutting on the yield is huge, the yield influences the cost to a great extent, in order to solve the problem of the cutting yield, the prior art generally adopts a hollowed-out cutting plate, a square cavity is added in the cutting plate to form the hollowed-out plate, the material cost is reduced by more than 30% by adopting the hollowed-out structure, the hollowed-out structure is also beneficial to the drainage of silicon powder, rubber powder and plate powder, the low-temperature degumming is facilitated, the quality rate of the silicon piece is improved, and the production efficiency is effectively improved, but the wire is easily clamped when the diamond, cutting efficiency is affected.
In addition, most of the backing plates used for cutting the existing diamond wire silicon wafer are polyester and plastic: the specific gravity of the polyester base plate is 1.5-2.0g/cm3The silicon material and the base plate are not convenient to recycle, and the breakage, the wire breakage, the rigid wire adhesion and the high cutting rate are easy to occur; the specific gravity of the plastic plate is relatively light and is 1-1.2g/cm3However, the cost is high, and the cost of the product cannot be reduced during manufacturing, so that the production efficiency is improved.
Disclosure of Invention
The purpose of the invention is as follows: in order to solve the problems, the invention provides an ABS improved hollowed-out board and a preparation method thereof.
The technical scheme is as follows: the invention relates to an ABS improved hollowed-out plate which is prepared from the following materials in parts by weight: 60-80 parts of ABS resin, 18-40 parts of PMMA resin, 0.5-2 parts of antibacterial agent and 0.3-3 parts of antioxidant.
Preferably, the hollow plate body of the hollow plate is provided with a plurality of first hollow cavities, and the first hollow cavities are symmetrically distributed on a longitudinal central line (O)1) Two sides, the transverse section of the first hollow-out cavity (101) is oval.
Preferably, the material of the hollowed-out plate comprises the following components: 68-75 parts of ABS resin, 23-30 parts of PMMA resin, 1 part of antibacterial agent and 1 part of antioxidant.
Preferably, the antibacterial agent is an inorganic zinc-based, silver-based or copper-based antibacterial agent.
Preferably, the antioxidant is one or more of antioxidant 168, antioxidant 1010 and antioxidant 1076.
Preferably, the ABS resin is selected from one or more of 749, 757, 275 or 121H; the PMMA is selected from one or more of CM205, CM207, 304E or VH 001.
The invention relates to a preparation method of an ABS improved hollowed-out plate, which comprises the following steps:
(1) firstly, putting 60-80 parts of ABS resin particles, 18-40 parts of PMMA resin particles, 0.5-2 parts of antibacterial agent and 0.3-3 parts of antioxidant into a heating and mixing device, stirring for 30-60min at constant temperature of 80 ℃ to uniformly mix the materials, and removing water;
(2) putting the mixed material in the step (1) into a double-screw granulator for granulation;
(3) conveying the granulating material in the step (2) to a transfer hopper on a counter-rotating double-screw plate extruder in a vacuum material pumping mode, keeping the hopper at a constant temperature of 80 ℃, setting the temperature of each temperature zone of the extruder and a die head at 165-210 ℃, adjusting the shaping die and the traction speed, and cutting the granulating material after the granulating material is drawn to a positioner according to the required length;
(4) and carrying out water grinding and polishing on the cut hollow-out plate by using a water grinder according to the roughness requirement, and then cleaning, drying and coating the hollow-out plate by using a cleaning and drying machine.
Preferably, in the step (3), the traction speed is 1-2 m/min.
Preferably, in step (3), the temperature of the extruder temperature zone is 190-.
Preferably, in step (3), the temperature of the temperature zone of the discharge die head is 165-170 ℃.
Has the advantages that: (1) according to the invention, through improving the material of the hollowed-out plate, the proper hardness and the brittleness temperature resistance are ensured, meanwhile, the mass molecule arrangement of the internal material is researched, ABS resin contains side phenyl, cyano and unsaturated double bonds, PMMA has polar side methyl and ester groups, favorable conditions are provided for the blending grafting of the ABS resin and the PMMA, the internal mass molecule arrangement and the hardness are improved, and the plastic sheet cutting line clamping caused by the deformation of the plate after high temperature is avoided; (2) according to the invention, through the improvement of the hollow-out plate structure, the material cost can be reduced by more than 30%, the hollow-out structure is also beneficial to the discharge of silicon powder, rubber powder and plate powder, the low-temperature degumming is facilitated, the high-quality product rate of the silicon wafer is improved, and thus the production efficiency is effectively improved; (3) the antibacterial material is added in the material, so that the generation of slurry floc is inhibited, the slurry treatment cost is reduced, and the cleaning period of a machine condenser is prolonged; (4) the invention adopts the double-screw granulator, the counter double-screw plate extruder, the customized hollowed-out plate extrusion die head and the shaping die to produce under the traction of the traction machine, and the counter double-screw plate extruder has the advantages of short time of staying in the extruder, higher efficiency, more uniform mixing, better control of polymerization degree and higher quality compared with a single-screw extruder.
Drawings
FIG. 1 is a schematic view of a stencil structure according to the present invention;
fig. 2 is a three-dimensional structure diagram of the hollow-out board of the present invention.
Detailed Description
Firstly, the source of raw materials
ABS may be used 749, 757, 275 for Huajin and Gaoqiao, 121H for LG, etc.
PMMA may be produced by using the brands of Qimei CM205, CM207, Shuangxiang 304E, Mitsubishi Yang VH001, etc.
One or more of 168, 1010, 1076, etc. are used as the antioxidant.
The antibacterial agent is inorganic nano zinc series DXN-LT30, nano silver series VK-G01C or nano copper series plastic antibacterial agent.
Second, sample preparation
Example 1: firstly, 70 parts of Qimei ABS (757) resin particles, 28 parts of PMMA (CM205) resin particles, 1 part of antibacterial agent (DXN-LT30) and 1 part of antioxidant (168) are put into a heating and mixing device, stirred for 30-60min at a constant temperature of 80 ℃ to uniformly mix materials, and the moisture is removed; then putting the mixture into a double-screw granulator for granulation for later use; conveying the granulated material to a transfer hopper on a counter-rotating double-screw plate extruder in a vacuum pumping mode, wherein the hopper needs to be kept at a constant temperature of 80 ℃, the temperature of a temperature zone of the extruder is set to be 195 ℃, the temperature of a temperature zone of a discharging die head is set to be 168 ℃, the feeding speed of the feeder is set to be 45HZ, the traction speed is 1.1m/min, and the skin thickness and the rib thickness of the plate are ensured to meet the standard; cutting off according to the required length after being dragged to the positioner; then trimming by a trimmer and spraying a production batch number by an ink-jet printer; and (3) carrying out water grinding and polishing on the extruded hollow-out plate by using a water grinder according to the roughness requirement, then cleaning and drying by using a cleaning and drying machine, detecting warping degree, length, width, thickness, roughness, chamfering width and the like on a marble platform, and coating the qualified plate by using a shrink film. The prepared hollow-out plate has the Shore D hardness of 85, the temperature (80 ℃) resistant hardness of 76 and the elongation at break of 6.5 percent.
Example 2: firstly, 75 parts of ABS (275) resin particles, 23 parts of PMMA (304E) resin particles, 1 part of antibacterial agent (DXN-LT30) and 1 part of antioxidant (168) are put into a heating and mixing device, stirred for 30-60min at constant temperature of 80 ℃ to uniformly mix materials, and water is removed; then putting the mixture into a double-screw granulator for granulation for later use; conveying the granulated material to a transfer hopper on a counter-rotating double-screw plate extruder in a vacuum pumping mode, wherein the hopper needs to be kept at a constant temperature of 80 ℃, the temperature of a temperature zone of the extruder is set to be 195 ℃, the temperature of a temperature zone of a discharging die head is set to be 168 ℃, the feeding speed of the feeder is set to be 45HZ, the traction speed is 1.1m/min, and the skin thickness and the rib thickness of the plate are ensured to meet the standard; cutting off according to the required length after being dragged to the positioner; then trimming by a trimmer and spraying a production batch number by an ink-jet printer; and (3) carrying out water grinding and polishing on the extruded hollow-out plate by using a water grinder according to the roughness requirement, then cleaning and drying by using a cleaning and drying machine, detecting warping degree, length, width, thickness, roughness, chamfering width and the like on a marble platform, and coating the qualified plate by using a shrink film. The prepared hollow-out plate has Shore D hardness of 83, temperature (80 ℃) resistance hardness of 74 and breaking elongation of 9.0%.
Example 3: firstly, 70 parts of ABS (757) resin particles, 28 parts of PMMA (CM205) resin particles, 1 part of antibacterial agent (VK-G01C) and 1 part of antioxidant (1010) are put into a heating and mixing device, stirred for 30-60min at constant temperature of 80 ℃ to uniformly mix the materials, and the water is removed; then putting the mixture into a double-screw granulator for granulation for later use; conveying the granulated material to a transfer hopper on a counter-rotating double-screw plate extruder in a vacuum pumping mode, wherein the hopper needs to be kept at a constant temperature of 80 ℃, the temperature of an extruder temperature zone is set to be 205 ℃, the temperature of a discharge die head temperature zone is set to be 175 ℃, the feeding speed of a feeder is set to be 45HZ, the traction speed is 1.1m/min, and the skin thickness and the rib thickness of the plate are ensured to meet the standard; cutting off according to the required length after being dragged to the positioner; then trimming by a trimmer and spraying a production batch number by an ink-jet printer; and (3) carrying out water grinding and polishing on the extruded hollow-out plate by using a water grinder according to the roughness requirement, then cleaning and drying by using a cleaning and drying machine, detecting warping degree, length, width, thickness, roughness, chamfering width and the like on a marble platform, and coating the qualified plate by using a shrink film. The prepared hollow-out plate has the Shore D hardness of 86, the temperature (80 ℃) resistance hardness of 77 and the elongation at break of 5.2 percent.
Example 4: firstly, 68 parts of ABS (275) resin particles, 30 parts of PMMA (CM205) resin particles, an antibacterial agent (DXN-LT30) and 1 part of an antioxidant (168) are put into a heating and mixing device, stirred for 30-60min at a constant temperature of 80 ℃, so that the materials are uniformly mixed, and moisture is removed; then putting the mixture into a double-screw granulator for granulation for later use; conveying the granulated material to a transfer hopper on a counter-rotating double-screw plate extruder in a vacuum pumping mode, wherein the hopper needs to be kept at a constant temperature of 80 ℃, the temperature of a temperature zone of the extruder is set to be 195 ℃, the temperature of a temperature zone of a discharging die head is set to be 168 ℃, the feeding speed of the feeder is set to be 45HZ, the traction speed is 1.1m/min, and the skin thickness and the rib thickness of the plate are ensured to meet the standard; cutting off according to the required length after being dragged to the positioner; then trimming by a trimmer and spraying a production batch number by an ink-jet printer; and (3) carrying out water grinding and polishing on the extruded hollow-out plate by using a water grinder according to the roughness requirement, then cleaning and drying by using a cleaning and drying machine, detecting warping degree, length, width, thickness, roughness, chamfering width and the like on a marble platform, and coating the qualified plate by using a shrink film. The prepared hollow-out plate has the Shore D hardness of 85, the temperature (80 ℃) resistant hardness of 76 and the elongation at break of 6.4 percent.
According to the PMMA modified ABS engineering plastic hollowed-out plate, ABS is subjected to graft polymerization by PMMA, so that the molecular chain of the polymer is lengthened, the molecular weight is larger, the brittleness and the hardness of the base plate are improved, and the breaking elongation of the plate is reduced.
As shown in fig. 1 and fig. 2, the hollow-out board in the embodiment adopts a structure that the first hollow-out cavity 101 in the hollow-out board body 100 is elliptical in transverse cross section, and the first hollow-out cavities 101 in the hollow-out board body 100 are uniformly arranged in parallel along the length direction and are uniformly distributed on the longitudinal center line O1Two sides, and the plurality of first hollow cavities 101 are arranged in a layered manner, that is, the size parameters of each first hollow cavity 201 are the same, and the first hollow cavities are arranged at the same height, when the plurality of first hollow cavities 201 are only distributed in the hollow plate body 100, the long axes of the plurality of first hollow cavities 101 are distributed on the transverse center line O of the hollow plate body 1002The above.
The hollow plate adopts a hollow structure, compared with a solid plate, the material consumption is reduced by more than 30%, the cost is reduced, impurities are reduced from adhering to diamond wires in the cutting process of using the diamond wire silicon rod, the abrasion probability of the diamond wires is reduced, the wire breakage rate is reduced, the discharge of silicon powder, rubber powder and plate powder is facilitated, the low-temperature degumming is facilitated, the high-quality product rate of the silicon chip is improved, and the production efficiency is effectively improved.
The hollow board of the invention has light specific gravity (0.85-1.0 g/cm)3) Low conductivity, high strength, proper hardness and recyclability, and not only meets the environmental protection requirement of continuous utilization of the plate.

Claims (10)

1. The ABS improved hollowed-out board is characterized in that the hollowed-out board is made of the following materials in parts by weight: 60-80 parts of ABS resin, 18-40 parts of PMMA resin, 0.5-2 parts of antibacterial agent and 0.3-3 parts of antioxidant.
2. The ABS improved stencil according to claim 1, wherein the stencil body (100) of the stencil is provided with a plurality of first stencil cavities (101), and the plurality of first stencil cavities (101) are symmetrically distributed on a longitudinal center line (O)1) Two sides, the transverse section of the first hollow-out cavity (101) is oval.
3. The ABS modified stencil according to claim 1, wherein the stencil material comprises the following components: 68-75 parts of ABS resin, 23-30 parts of PMMA resin, 1 part of antibacterial agent and 1 part of antioxidant.
4. The ABS modified stencil sheet of claim 1, wherein the antimicrobial agent is an inorganic zinc-based, silver-based, or copper-based antimicrobial agent.
5. The ABS modified stencil as claimed in claim 1, wherein the antioxidant is one or more of antioxidant 168, antioxidant 1010 and antioxidant 1076.
6. The ABS modified stencil according to claim 1, wherein said ABS resin is selected from one or more of 749, 757, 275 or 121H; the PMMA is selected from one or more of CM205, CM207, 304E or VH 001.
7. The preparation method of the ABS modified hollowed-out plate as described in claim 1, wherein the ABS modified hollowed-out plate is prepared by the following method:
(1) firstly, putting 60-80 parts of ABS resin particles, 18-40 parts of PMMA resin particles, 0.5-2 parts of antibacterial agent and 0.3-3 parts of antioxidant into a heating and mixing device, stirring for 30-60min at constant temperature of 80 ℃ to uniformly mix the materials, and removing water;
(2) putting the mixed material in the step (1) into a double-screw granulator for granulation;
(3) conveying the granulating material in the step (2) to a transfer hopper on a counter-rotating double-screw plate extruder in a vacuum material pumping mode, keeping the hopper at a constant temperature of 80 ℃, setting the temperature of each temperature zone of the extruder and a die head at 165-210 ℃, adjusting the shaping die and the traction speed, and cutting the granulating material after the granulating material is drawn to a positioner according to the required length;
(4) and carrying out water grinding and polishing on the cut hollow-out plate by using a water grinder according to the roughness requirement, and then cleaning, drying and coating the hollow-out plate by using a cleaning and drying machine.
8. The method for preparing the ABS improved stencil sheet according to claim 7, wherein the drawing speed in the step (3) is 1 to 2 m/min.
9. The method for preparing the ABS modified stencil as claimed in claim 7, wherein the temperature of the extruder temperature zone in step (3) is 190 ℃. 205 ℃.
10. The method for preparing the ABS modified stencil as claimed in claim 7, wherein the temperature of the temperature range of the discharging die head is 165-170 ℃ in step (3).
CN202011621145.5A 2020-12-30 2020-12-30 ABS improved hollowed-out plate and preparation method thereof Pending CN112724590A (en)

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Application Number Priority Date Filing Date Title
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201700621A (en) * 2015-05-12 2017-01-01 Mitsui Chemicals Inc Resin composition and synthetic wood using same
CN110317427A (en) * 2019-07-03 2019-10-11 南宁珀源能源材料有限公司 Novel special backing plate of photovoltaic buddha's warrior attendant wire-electrode cutting
CN111688045A (en) * 2020-06-16 2020-09-22 南宁珀源能源材料有限公司 Hollow plastic cushion plate and preparation method and application thereof
CN111746081A (en) * 2020-05-21 2020-10-09 江阴市嘉宇新材料有限公司 Regional unequal-hardness lining plate for diamond wire cutting and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201700621A (en) * 2015-05-12 2017-01-01 Mitsui Chemicals Inc Resin composition and synthetic wood using same
CN110317427A (en) * 2019-07-03 2019-10-11 南宁珀源能源材料有限公司 Novel special backing plate of photovoltaic buddha's warrior attendant wire-electrode cutting
CN111746081A (en) * 2020-05-21 2020-10-09 江阴市嘉宇新材料有限公司 Regional unequal-hardness lining plate for diamond wire cutting and preparation method thereof
CN111688045A (en) * 2020-06-16 2020-09-22 南宁珀源能源材料有限公司 Hollow plastic cushion plate and preparation method and application thereof

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Application publication date: 20210430