CN103507374A - Antistatic decorative plate and preparation method thereof - Google Patents

Antistatic decorative plate and preparation method thereof Download PDF

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Publication number
CN103507374A
CN103507374A CN201310180018.XA CN201310180018A CN103507374A CN 103507374 A CN103507374 A CN 103507374A CN 201310180018 A CN201310180018 A CN 201310180018A CN 103507374 A CN103507374 A CN 103507374A
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CN
China
Prior art keywords
antistatic
antistatic additive
carbon black
fiber
decorated board
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Granted
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CN201310180018.XA
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Chinese (zh)
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CN103507374B (en
Inventor
孙学民
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Changzhou Wujin Zhongtian Computer-Room Equipment Co., Ltd.
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孙学民
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Priority to CN201310180018.XA priority Critical patent/CN103507374B/en
Priority to CN201510519326.XA priority patent/CN105034514B/en
Priority to CN201510519330.6A priority patent/CN105058940B/en
Priority to CN201510519329.3A priority patent/CN105034524B/en
Priority to CN201510519331.0A priority patent/CN105150640A/en
Priority to CN201510519319.XA priority patent/CN105172296B/en
Publication of CN103507374A publication Critical patent/CN103507374A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/42—Layered products comprising a layer of synthetic resin comprising condensation resins of aldehydes, e.g. with phenols, ureas or melamines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
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Abstract

The invention discloses an antistatic decorative plate. A core plate of the antistatic decorative plate comprises following raw materials, by weight, 40 to 50% of fiber, 35 to 45% of phenolic resin, 3 to 8% of an antistatic agent, 5 to 10% of carbon black and 1 to 3% of a coupling agent. The surface of decorative paper of the antistatic decorative plate is coated with the antistatic agent. The antistatic decorative plate is prepared by adding the antistatic agent into the core plate and the decorative paper arranged on the two surfaces of the antistatic decorative plate. Therefore three-dimensional antistatic effect from the inside to the surface is obtained; the antistatic decorative plate possesses excellent performances such as antistatic property and high density, and can be widely used in special industries or places where antistatic property of building and ornament materials are required; surface antistatic property and the three-dimensional antistatic effect are durable, and are difficult to vanish; and carbon black possesses conductivity. In addition, traditional decorative plates are made of paper, but the antistatic decorative plate is made of fiber instead of brown paper, so that cost is reduced.

Description

Antistatic decorated board and preparation method
Technical field
The present invention relates to antistatic decorated board and preparation method, especially a kind of antistatic health is special plate and preparation method doubly.
Background technology
Kang Beite plate, as a kind of decorative panel, is through the one-body molded ornament materials dissolving and irreversible age-hardening produces under HTHP.This kind of sheet material matter stability is high, shock-proof shatter-resistant, cold-resistant heat-resisting and have fire-resistant protection against the tide and resistance to cigarette to burn characteristic, and its density is many at 1.4～1.5g/cm 3between.The range of application of described decorative panel is very extensive, upper to aerospace industry down to common people's commodity, kitchen tools table top in life staying idle at home, washing table top, dining table, desk, door leaf, and even Yu lavatory, public place compartment, wash platform, reception sales counter, article placing cabinet, ceiling, desk and office compartment etc., all can adopt decorative panel to make.
The region such as machine room, electronic equipment, electrostatic hazard is larger, generation of static electricity easily causes device damage, initiation fire, cause electronic failure or misoperation, cause electromagnetic interference, puncture integrated circuit and precision electronic element, or acceleration components is aging, reduce the rate that manufactures a finished product, high-pressure electrostatic electric discharge also can form electric shock and jeopardizing personal safety, at inflammable explosive article or dust, Workplace that mist of oil is many, very easily sets off an explosion and fire.In addition, long term exposure, under static radiation, can make people's lather, headache, uncomfortable in chest, expiratory dyspnea, cough.Therefore, the today being seen everywhere at electronic product, the effectively antistatic particular importance that seems.
General anti-static plate sheet resistance is 10 7～10 9ohm, is only very thin one deck, need to stick on other composite, and use bothers, cost is high, and the water-fast life requirement that is difficult to meet of preventing fires; Critical facility is as aircraft, spaceship etc., and simple antistatic surface cannot meet the demand for security of normal operation.Do not changing under the prerequisite of the premium properties such as existing decorative panel high density, it (is surface three-dimensional resistance 10 that traditional handicraft is difficult to make it to reach antistatic rank 3～10 6ohm), although some sheet resistances can be up to standard, yet bulk resistor is not all right again, and this becomes the difficult point that breaks through prior art.Thereby, in the urgent need to developing surface and three-dimensional all anlistatig good sheet material.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of surface and three-dimensional resistance less and be difficult for lastingly disappearing take off, antistatic decorated board and preparation method that production cost is lower.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: antistatic decorated board, the facing paper that comprises central layer and central layer two sides, central layer is comprised of following raw materials by weight, fiber 40～50%, Fen Chuo resins 35～45%, antistatic additive 3～8%, carbon black 5～10%, coupling agent 1～3%; Facing paper surface-coated has antistatic additive.
Facing paper is formed by the melmac immersion stain containing antistatic additive.
Carbon black pellet diameter is less than or equal to the width of fiber grain.Carbon black must be inertia, need under HTHP, not decompose, is not oxidized, flame resistant and do not inhale warm inorganic matter.Carbon black pellet and antistatic additive, under the effect of resin and coupling agent, by permeable fiber, cover fiber surface, make fiber grain in inert condition, if particle diameter is excessive, carbon black pellet just can not permeable fiber and covered fiber surface completely; Carbon black pellet diameter is less than or equal to the width of fiber grain, could permeate evenly, suppresses out that decorative panel side blackness is suitable and bulk resistor stable.
Fiber grain length 5～10mm, width 0.01～0.5mm, carbon black pellet diameter is 0.01～0.3mm.
Carbon black pellet diameter is 0.01～0.1mm.
Antistatic additive is selected from quaternary amine, phosphate, sulfide, sulfate, octadecyl dimethyl ethoxy quaternary ammonium nitric acid
One or more in salt, succinic acid Diisooctyl sulfoacid calcium in-603.
Coupling agent is KH-570, it is a kind of organo-functional group silane coupler, for improving that glass strengthens and can improving their mechanical electric performance containing the thermosetting resin of inorganic filler, outside its corresponding country, the trade mark is the U.S. A-174 of union carbide corporation, the Z-603 of Dow corning company, the KBM-503 of Japan XINYUE, its chemical name γ-methacryloxypropyl trimethoxy silane.
The preparation method of above-mentioned antistatic decorated board, comprises the following steps:
(1) take in proportion raw material for standby, wherein carbon black pellet diameter is less than or equal to the width of fiber grain;
(2) antistatic additive is divided into tri-parts of a, b, c by weight 2:2:6, a part and b part antistatic additive add respectively in carbon black and fiber, then under high wind effect, carbon black and fiber are mixed, 160 ℃ of oven dry, and mixture is standby; The antistatic additive of coupling agent and surplus is added in phenolic resins, mix and be heated to 40 ℃～50 ℃ and make adhesive, cooling
To room temperature;
(3) adhesive that step (2) made sprays and joins in the mixture that step (2) makes, and mixes, again
70 ℃～100 ℃ oven dry, mixture is standby;
(4) the mixture machinery on hot press step (3) being made is mated formation, and after precompressed hot pressing, makes central layer;
(5) after the facing paper that is coated with antistatic additive is sticked on the two sides of central layer, suppress, obtain.
20～50 ℃ of precompressed temperature, pressure 2.5～4MPA, 20～30 seconds time in step (4), 150～180 ℃ of hot pressing temperatures, maximum pressure 4～5MPA and pressure are decremented to zero gradually, 20～30 seconds time; Press temperature 130～160 degree, pressure 8～10MPA, 90～150 minutes time in step (5).
The facing paper that is coated with antistatic additive is formed by the melmac immersion stain containing antistatic additive; Melmac liquid mixes and makes by melmac 850KG, flexibility agent 70KG, antistatic additive 50KG, light stabilizer 30KG; Flexibility agent is diethylene glycol, and antistatic additive is vulcanized sodium, and light stabilizer is light stabilizer 292.
Antistatic decorated board of the present invention, by adding respectively antistatic additive in the facing paper on central layer and two sides thereof, forms the inner and coefficient three-dimensional antistatic effect in surface.Research show that decorative panel product of the present invention meets GB/T7911-1999 standard, have antistatic, intensity is high, cohesive force is strong, anti-ultraviolet feature, product density is at 1.45g/cm 2left and right, is not changing under the prerequisite of the premium properties such as decorative panel high density, and antistatic property reaches LY/T1330-201110 4～10 6ohm rank, is used saferly, can meet special industry or place (as space flight, machine room, electric power, weaving etc.) to the anlistatig requirement of building and ornament materials, and surface and three-dimensional antistatic property lasting, be difficult for disappearing, itself has electric conductivity carbon black.In addition, the present invention has changed the characteristic that traditional decoration plate paper using is done, and adopts fiber and replaces brown paper, reaches the object reducing costs.
The specific embodiment
Embodiment 1
(1) by following percentage by weight, take raw material for standby, fiber 45%, Fen Chuo resin 40%, antistatic additive (octadecyl dimethyl ethoxy quaternary ammonium sodium nitrate and sodium phosphate are by weight the mixture of 5:5) 5%, carbon black 8%, coupling agent (KH-570) 2%; Wherein fiber employing tree skill crotch is raw material, and through washing, defibrator process is made, fiber grain length 5～10mm, width 0.01～0.3mm, and carbon black pellet diameter is 0.01～0.1mm;
(2) antistatic additive is divided into tri-parts of a, b, c by weight 2:2:6, a part and b part antistatic additive add respectively in carbon black and fiber, then under high wind effect, carbon black and fiber are mixed, 160 ℃ of oven dry, and mixture is standby; The antistatic additive of coupling agent and surplus is added in phenolic resins, mix and be heated to 40 ℃～50 ℃ and make adhesive, be cooled to room temperature;
(3) adhesive step (2) being made utilizes glue spraying machine high-pressure injection (glue spraying pressure is 7mpa) to join in the mixture that step (2) makes, and mixes, 70 ℃ of oven dry again, and mixture is standby; Sprayed adhesive post-drying temperature can not be too high, must not surpass 100 ℃, the one, guarantee time of contact, the 2nd, prevent that adhesive from solidifying in advance.
(4) the mixture machinery on hot press step (3) being made is mated formation (can not vacuum in order to avoid inhomogeneous), after precompressed hot pressing, makes central layer; 20～50 ℃ of precompressed temperature, pressure 3MPA, 30 seconds time, 170～180 ℃ of hot pressing temperatures, maximum pressure 4MPA and pressure are decremented to zero gradually, 30 seconds time;
(5) after the facing paper that is coated with antistatic additive is sticked on the two sides of central layer, suppress, press temperature 130～150 degree, pressure 9MPA, 130 minutes time, obtain.
The facing paper that is coated with antistatic additive is formed by the melmac immersion stain containing antistatic additive; Pressing 1000KG calculates, take melmac 850KG, flexibility agent (diethylene glycol) 70KG, antistatic additive (vulcanized sodium) 50KG, light stabilizer (light stabilizer 292) 30KG mix and make melmac liquid, facing paper is flooded to above-mentioned resin liquid, dry and shear, obtain.
Embodiment 2
(1) by following percentage by weight, take raw material for standby, fiber 40%, Fen Chuo resin 45%, antistatic additive (vulcanized sodium and quaternary amine (tetrabutyl ammonium fluoride) are by weight 5:5 mixture) 4%, carbon black 8%, coupling agent (KH-570) 3%; Wherein fiber employing tree skill crotch is raw material, and through washing, defibrator process is made, fiber grain length 5～10mm, width 0.01～0.5mm, and carbon black pellet diameter is 0.01～0.3mm;
(2) antistatic additive is divided into tri-parts of a, b, c by weight 2:2:6, a part and b part antistatic additive add respectively in carbon black and fiber, then under high wind effect, carbon black and fiber are mixed, 160 ℃ of oven dry, and mixture is standby; The antistatic additive of coupling agent and surplus is added in phenolic resins, mix and be heated to 40 ℃～50 ℃ and make adhesive, be cooled to room temperature;
(3) adhesive step (2) being made utilizes glue spraying machine high-pressure injection (glue spraying pressure is 7mpa) to join in the mixture that step (2) makes, and mixes, 80 ℃ of oven dry again, and mixture is standby; Sprayed adhesive post-drying temperature can not be too high, must not surpass 100 ℃, the one, guarantee time of contact, the 2nd, prevent that adhesive from solidifying in advance.
(4) the mixture machinery on hot press step (3) being made is mated formation (can not vacuum in order to avoid inhomogeneous), after precompressed hot pressing, makes central layer; 40～50 ℃ of precompressed temperature, pressure 3MPA, 20 seconds time, 150～170 ℃ of hot pressing temperatures, maximum pressure 5MPA and pressure are decremented to zero gradually, 20 seconds time;
(5) after the facing paper that is coated with antistatic additive is sticked on the two sides of central layer, suppress, press temperature 140～160 degree, pressure 9MPA, 90 minutes time, obtain.
The facing paper that is coated with antistatic additive is formed by the melmac immersion stain containing antistatic additive; Pressing 1000KG calculates, take melmac 850KG, flexibility agent (diethylene glycol) 70KG, antistatic additive (vulcanized sodium) 50KG, light stabilizer (light stabilizer 292) 30KG mix and make melmac liquid, facing paper is flooded to above-mentioned resin liquid, dry and shear, obtain.
Embodiment 3
(1) by following percentage by weight, take raw material for standby, fiber 50%, Fen Chuo resin 35%, antistatic additive (in succinic acid Diisooctyl sulfoacid calcium-603 with the mixture of sodium sulphate by weight 5:5) 8%, carbon black 5.5%, coupling agent (KH-570) 1.5%; Wherein fiber employing tree skill crotch is raw material, and through washing, defibrator process is made, fiber grain length 5～10mm, width 0.01～0.5mm, and carbon black pellet diameter is 0.01～0.3mm;
(2) antistatic additive is divided into tri-parts of a, b, c by weight 2:2:6, a part and b part antistatic additive add respectively in carbon black and fiber, then under high wind effect, carbon black and fiber are mixed, 160 ℃ of oven dry, and mixture is standby; The antistatic additive of coupling agent and surplus is added in phenolic resins, mix and be heated to 45 ℃～50 ℃ and make adhesive, be cooled to room temperature;
(3) adhesive step (2) being made utilizes glue spraying machine high-pressure injection (glue spraying pressure is 7mpa) to join in the mixture that step (2) makes, and mixes, 80 ℃ of oven dry again, and mixture is standby; Sprayed adhesive post-drying temperature can not be too high, must not surpass 100 ℃, the one, guarantee time of contact, the 2nd, prevent that adhesive from solidifying in advance.
(4) the mixture machinery on hot press step (3) being made is mated formation (can not vacuum in order to avoid inhomogeneous), after precompressed heat, makes central layer; 20～50 ℃ of precompressed temperature, pressure 3.5MPA, 30 seconds time, 170～180 ℃ of hot pressing temperatures, maximum pressure 5MPA and pressure are decremented to zero gradually, 30 seconds time;
(5) after the facing paper that is coated with antistatic additive is sticked on the two sides of central layer, suppress, press temperature 130～150 degree, pressure 9.5MPA, 130 minutes time, obtain.
The facing paper that is coated with antistatic additive is formed by the melmac immersion stain containing antistatic additive; Pressing 1000KG calculates, take melmac 850KG, flexibility agent (diethylene glycol) 70KG, antistatic additive (vulcanized sodium) 50KG, light stabilizer (light stabilizer 292) 30KG mix and make melmac liquid, facing paper is flooded to above-mentioned resin liquid, dry and shear, obtain.
Press SJ/T11236-2001 and GB/T7911-1999 standard test embodiment 1 to 3 and commercially available a kind of decorative panel (commercially available prod 1) and the relevant performance of a kind of composite anti-static plate (commercially available prod 2, compound with density board), result is as shown in table 1.
Table 1 antistatic decorated board of the present invention and commercially available prod performance test results
Figure BDA00003192221600061

Claims (10)

1. an antistatic decorated board, the facing paper that comprises central layer and central layer two sides, it is characterized in that: described central layer is comprised of following raw materials by weight fiber 40～50%, Fen Chuo resins 35～45%, antistatic additive 3～8%, carbon black 5～10%, coupling agent 1～3%; Described facing paper surface-coated has antistatic additive.
2. an antistatic decorated board claimed in claim 1, is characterized in that: described facing paper is formed by the melmac immersion stain containing antistatic additive.
3. an antistatic decorated board claimed in claim 2, is characterized in that: described carbon black pellet diameter is less than or equal to the width of described fiber grain.
4. an antistatic decorated board claimed in claim 3, is characterized in that: described fiber grain length 5～10mm, width 0.01～0.5mm, described carbon black pellet diameter is 0.01～0.3mm.
5. an antistatic decorated board claimed in claim 4, is characterized in that: described carbon black pellet diameter is 0.01～0.1mm.
6. an antistatic decorated board claimed in claim 1, is characterized in that: described antistatic additive is selected from quaternary amine, phosphate, sulfide, sulfate, octadecyl dimethyl ethoxy quaternary ammonium nitrate, succinic acid Diisooctyl sulfoacid calcium one or more in-603.
7. an antistatic decorated board claimed in claim 1, is characterized in that: described coupling agent is KH-570.
8. the preparation method of antistatic decorated board according to claim 1, is characterized in that comprising the following steps:
(1) take in proportion raw material for standby, wherein carbon black pellet diameter is less than or equal to the width of fiber grain;
(2) antistatic additive is divided into tri-parts of a, b, c by weight 2:2:6, a part and b part antistatic additive add respectively in carbon black and fiber, then under high wind effect, carbon black and fiber are mixed, 160 ℃ of oven dry, and mixture is standby; The antistatic additive of coupling agent and surplus is added in phenolic resins, mix and be heated to 40 ℃～50 ℃ and make adhesive, be cooled to room temperature;
(3) adhesive that step (2) made sprays and joins in the mixture that step (2) makes, and mixes, 70 ℃ again～100 ℃ oven dry, and mixture is standby;
(4) the mixture machinery on hot press step (3) being made is mated formation, and after precompressed hot pressing, makes central layer;
(5) after the facing paper that is coated with antistatic additive is sticked on the two sides of central layer, suppress, obtain.
9. the preparation method of antistatic decorated board according to claim 8, it is characterized in that: 20～50 ℃ of precompressed temperature, pressure 2.5～4MPA, 20～30 seconds time in step (4), 150～180 ℃ of hot pressing temperatures, maximum pressure 4～5MPA and pressure are decremented to zero gradually, 20～30 seconds time; Press temperature 130～160 degree, pressure 8～10MPA, 90～150 minutes time in step (5).
10. the preparation method of antistatic decorated board according to claim 9, is characterized in that: described in be coated with antistatic additive facing paper by the melmac immersion stain containing antistatic additive, formed; Melmac liquid mixes and makes by melmac 850KG, flexibility agent 70KG, antistatic additive 50KG, light stabilizer 30KG; Described flexibility agent is diethylene glycol, and described antistatic additive is vulcanized sodium, and described light stabilizer is light stabilizer 292.
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