CN108528125B - A kind of preparation method and high pressure decorative laminate of high impact-resistant high pressure decorative laminate - Google Patents
A kind of preparation method and high pressure decorative laminate of high impact-resistant high pressure decorative laminate Download PDFInfo
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- CN108528125B CN108528125B CN201810232596.6A CN201810232596A CN108528125B CN 108528125 B CN108528125 B CN 108528125B CN 201810232596 A CN201810232596 A CN 201810232596A CN 108528125 B CN108528125 B CN 108528125B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C5/00—Processes for producing special ornamental bodies
- B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
- B44C5/0469—Ornamental plaques, e.g. decorative panels, decorative veneers comprising a decorative sheet and a core formed by one or more resin impregnated sheets of paper
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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
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/02—Layered products comprising a layer of paper or cardboard next to a fibrous or filamentary layer
-
- 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
- B32B29/06—Layered products comprising a layer of paper or cardboard specially treated, e.g. surfaced, parchmentised
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/47—Condensation polymers of aldehydes or ketones
- D21H17/48—Condensation polymers of aldehydes or ketones with phenols
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/47—Condensation polymers of aldehydes or ketones
- D21H17/49—Condensation polymers of aldehydes or ketones with compounds containing hydrogen bound to nitrogen
- D21H17/51—Triazines, e.g. melamine
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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
- B32B2250/00—Layers arrangement
- B32B2250/02—2 layers
-
- 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
- B32B2250/00—Layers arrangement
- B32B2250/20—All layers being fibrous or filamentary
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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
- B32B2250/00—Layers arrangement
- B32B2250/26—All layers being made of paper or paperboard
-
- 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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
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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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/028—Paper layer
-
- 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
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
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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
- B32B2607/00—Walls, panels
Abstract
The invention discloses the preparation method and high pressure decorative laminate of a kind of high impact-resistant high pressure decorative laminate, preparation method includes first preparing modified melamine-formaldehyde resin；It is 1:1.2-2.0 according to formaldehyde and phenol molar ratio, the molar ratio of formaldehyde and fruit phenol is modulated for 1:1.0-1.8, and controlling pH value is 8.5-9.0, is dehydrated after water multiple reaches 350-380；Fibrous paper will be decorated and fibrous paper distinguishes hot pressing after impregnating resin, obtain high impact-resistant type high pressure decorative laminate；The decorative layer of decorative laminate is to impregnate the decoration fibrous paper of toughening modifying melamine resin, and substrate layer is the fibrous paper for impregnating fruit phenol toughening modifying phenolic resin.By the above-mentioned means, decorative laminate flexibility of the present invention is good, shock resistance is high, cuts and is not easy chipping and cracks.
Description
Technical field
The present invention relates to dalle fields, more particularly to a kind of preparation method of high impact-resistant high pressure decorative laminate
And high pressure decorative laminate.
Background technique
Its molecular structure of thermosetting resin is figure, after hardening since intermolecular cross-linking forms reticular structure, is showed
Rigidity, hardness height, good stability of the dimension.The resin flexible good toughness of linear structure, but heat resistance is poor, bonding force is weak, size is steady
The disadvantage of qualitative difference limits it in the application of high pressure decorative laminate.Melamine resin and phenolic resin are high press fitting
The common two classes thermosetting resin of plaque, since thermosetting resin shows apparent rigidity, finished product is in subsequent processing of cutting, fortune
It is easy to produce chipping, crackle, breakage in defeated, use process, influences the processing and beauty of finished product.The addition of long aliphatic chain can reduce
Steric effect reduces the rigidity of thermosetting resin, increases the flexibility and shock resistance of high pressure decorative laminate, and reduction is cut
When generate chipping and crackle.
Summary of the invention
The invention mainly solves the technical problem of providing one kind be able to solve existing high pressure decorative laminate flexibility it is poor,
Shock resistance is poor, cut the problems such as easy chipping cracks high pressure decorative laminate preparation method and high pressure decorative lamination
Plate.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of high impact-resistant height press fitting is provided
Adorn the preparation method of laminate, comprising the following steps:
1) it is 1:1.2-2.0 according to formaldehyde and melamine molar ratio, takes water as a solvent, catalyst and toughener is added,
Feed liquid is reacted at being 90-95 DEG C in temperature, and toughener stirring is added in end of reaction after feed liquid cooling, obtains modified trimerization
Cyanamide formaldehyde resin；
It 2) is 1:1.2-2.0 according to formaldehyde and phenol molar ratio, the molar ratio of formaldehyde and fruit phenol is adjusted for 1:1.0-1.8
System, and controlling pH value is 8.5-9.0, carries out being dewatered to up to control terminal after water multiple reaches 350-380；
3) decoration fibrous paper impregnates modified melamine-formaldehyde resin, and spread 110-130% volatilizees for 7-8%；
4) fibrous paper impregnated phenolic resin, spread 36-45%, volatilize 6-7%；
5) after fibrous paper and fibrous paper will be decorated according to the progress hot pressing of thickness ratio assembly, the press fitting of high impact-resistant type height is obtained
Adorn laminate.
In a preferred embodiment of the present invention, in step 1), catalyst is sodium hydroxide or ammonium chloride, and toughener is for oneself
One of lactams, dicyandiamide, diethylene glycol are a variety of.
In a preferred embodiment of the present invention, in step 1), when feed liquid is reacted at being 90-95 DEG C in temperature, to
Reaction solution after turning clear every 30-40min adjust a pH value, control pH value is 8.8-9.3, end of reaction, and feed liquid is cooled to 50 DEG C
Toughener stirring 20-30min is added below.
In a preferred embodiment of the present invention, the feed way of fruit phenol is fruit phenol in step 2, phenol, formaldehyde are once thrown
There is the secondary addition fruit phenol of cloud point and continue to flow back in material or phenol, formaldehyde negative pressure back flow reaction.
In a preferred embodiment of the present invention, hot pressing uses hot press, hot press heating-up time 15- in step 5)
20min, pressure 65-85kg/m2, pressure-maintaining and heat-preservation time 35-40min, pressure maintaining 30-45min cooling time, decorative panel plate core highest
135 DEG C of temperature；Plate core temperature is down to 50 DEG C or less rear releases, unloads the goods from the airplane, and slab obtains height after the processes processing such as saw side, sand hair
Shock resistance type high pressure decorative laminate.
The invention further relates to a kind of decorative high-pressures prepared according to the preparation method of high impact-resistant high pressure decorative laminate
Pressing plate, including decorative layer and substrate layer, decorative layer are to impregnate the decoration fibrous paper of toughening modifying melamine resin, substrate
Layer is the fibrous paper of dipping fruit phenol toughening modifying phenolic resin
In a preferred embodiment of the present invention, the toughening modifying melamine resin of decorative layer dipping is contained increases
Tough dose is one or more of caprolactam, dicyandiamide, diethylene glycol, and toughener accounts for the 2-45wt% of total resin weight.
In a preferred embodiment of the present invention, the melamine resin formaldehyde of decorative layer dipping and rubbing for phenol
, than being 1:1.2-2.0, the molar ratio of formaldehyde and fruit phenol is 1:1.0-1.8 for you.
In a preferred embodiment of the present invention, the feed way of fruit phenol is fruit phenol, phenol, formaldehyde once feeds intake or benzene
There is one of secondary addition fruit phenol of cloud point in phenol, formaldehyde reaction.
In a preferred embodiment of the present invention, the fruit phenol is peanut shell, refines in cashew nut shell oil.
The beneficial effects of the present invention are: decorative laminate flexibility of the present invention is good, shock resistance is high, cuts and is not easy chipping
It cracks.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
The embodiment of the present invention includes:
Embodiment 1:
A kind of high impact-resistant high pressure decorative laminate, including decorative layer and substrate layer, decorative layer are dipping toughening modifying three
The decoration fibrous paper of melamine-formaldehyde resin, substrate layer are the fibrous paper for impregnating fruit phenol toughening modifying phenolic resin.
Toughener contained by the toughening modifying melamine resin of decorative layer dipping includes accounting for total resin weight
The diethylene glycol of the caprolactam of 5wt% and the 3wt% for accounting for total resin weight.
The melamine resin formaldehyde of decorative layer dipping and the molar ratio of phenol are 1:1.5, formaldehyde and fruit phenol
Molar ratio is 1:1.2.
The feed way of fruit phenol is fruit phenol, phenol, formaldehyde once feed intake；Fruit phenol be peanut shell, refine in cashew nut shell oil and
At.
The preparation method of high impact-resistant high pressure decorative laminate, comprising the following steps:
1) it is 1:1.75 according to formaldehyde and melamine molar ratio, takes water as a solvent, sodium hydroxide or ammonium chloride is catalysis
Agent, caprolactam and diethylene glycol are toughener, and controlled at 90-95 DEG C, every 30min is adjusted primary after reaction solution turns clear
PH value, control pH value are 8.8-9.3, end of reaction, and feed liquid is cooled to 50 DEG C, diethylene glycol is added and stirs 20min, is modified
Melamine resin；
2) it is 1:1.5 according to formaldehyde and phenol molar ratio by fruit phenol, phenol, formaldehyde, the molar ratio of formaldehyde and fruit phenol is 1:
1.2 once feed intake, and controlling pH value is 8.5-9.0, carry out being dewatered to up to control terminal after water multiple reaches 350-380；
3) decoration fibrous paper impregnates modified melamine-formaldehyde resin, and spread 120%, volatilizing is 7.5%；
4) fibrous paper impregnated phenolic resin, spread 42%, volatilization 6.5%；
5) after fibrous paper and fibrous paper will be decorated according to the progress hot pressing of thickness ratio assembly, the press fitting of high impact-resistant type height is obtained
Adorn laminate.
Hot pressing uses hot press, hot press heating-up time 15min, pressure 65kg/m2, pressure-maintaining and heat-preservation time 35min, pressure maintaining
Cooling time 40min, 127 DEG C of decorative panel plate core maximum temperature.Plate core temperature is down to 50 DEG C or less rear releases, unloads the goods from the airplane, slab warp
High impact-resistant high pressure decorative laminate is obtained after crossing the processing of the processes such as saw side, sand hair.
Embodiment 2:
A kind of high impact-resistant high pressure decorative laminate, including decorative layer and substrate layer, decorative layer are dipping toughening modifying three
The decoration fibrous paper of melamine-formaldehyde resin, substrate layer are the fibrous paper for impregnating fruit phenol toughening modifying phenolic resin.
Toughener contained by the toughening modifying melamine resin of decorative layer dipping includes accounting for total resin weight
The caprolactam of 3wt%, account for total resin weight 3wt% dicyandiamide and account for total resin weight 2wt% diethylene glycol.
The melamine resin formaldehyde of decorative layer dipping and the molar ratio of phenol are 1:1.4, formaldehyde and fruit phenol
Molar ratio is 1:1.3.
The feed way of fruit phenol is fruit phenol, phenol, formaldehyde once feed intake；Fruit phenol be peanut shell, refine in cashew nut shell oil and
At.
The preparation method of high impact-resistant high pressure decorative laminate, comprising the following steps:
1) it is 1:1.65 according to formaldehyde and melamine molar ratio, takes water as a solvent, sodium hydroxide or ammonium chloride is catalysis
Agent, caprolactam, dicyandiamide and diethylene glycol are toughener, controlled at 90-95 DEG C, every 30min after reaction solution turns clear
Adjusting a pH value, control pH value is 8.8-9.3, end of reaction, and feed liquid is cooled to 50 DEG C, diethylene glycol is added and stirs 20min,
Obtain modified melamine-formaldehyde resin；
2) it is 1:1.4 according to formaldehyde and phenol molar ratio by fruit phenol, phenol, formaldehyde, the molar ratio of formaldehyde and fruit phenol is 1:
1.3 once feed intake, and controlling pH value is 8.5-9.0, carry out being dewatered to up to control terminal after water multiple reaches 350-380；
3) decoration fibrous paper impregnates modified melamine-formaldehyde resin, and spread 125%, volatilizing is 7.0%；
4) fibrous paper impregnated phenolic resin, spread 40%, volatilization 6.5%；
5) after fibrous paper and fibrous paper will be decorated according to the progress hot pressing of thickness ratio assembly, the press fitting of high impact-resistant type height is obtained
Adorn laminate.
Hot pressing uses hot press, hot press heating-up time 18min, pressure 72kg/m2, pressure-maintaining and heat-preservation time 34min, pressure maintaining
Cooling time 40min, 122 DEG C of decorative panel plate core maximum temperature.Plate core temperature is down to 50 DEG C or less rear releases, unloads the goods from the airplane, slab warp
High impact-resistant high pressure decorative laminate is obtained after crossing the processing of the processes such as saw side, sand hair.
Embodiment 3:
A kind of high impact-resistant high pressure decorative laminate, including decorative layer and substrate layer, decorative layer are dipping toughening modifying three
The decoration fibrous paper of melamine-formaldehyde resin, substrate layer are the fibrous paper for impregnating fruit phenol toughening modifying phenolic resin.
Toughener contained by the toughening modifying melamine resin of decorative layer dipping includes accounting for total resin weight
The dicyandiamide of the caprolactam of 4wt% and the 6wt% for accounting for total resin weight.
The melamine resin formaldehyde of decorative layer dipping and the molar ratio of phenol are 1:1.3, formaldehyde and fruit phenol
Molar ratio is 1:1.4.
The feed way of fruit phenol is phenol, the secondary addition fruit phenol of cloud point occurs in formaldehyde reaction；Fruit phenol is peanut shell, cashew nut
It is refined in shell oil.
The preparation method of high impact-resistant high pressure decorative laminate, comprising the following steps:
1) it is 1:1.6 according to formaldehyde and melamine molar ratio, takes water as a solvent, sodium hydroxide or ammonium chloride is catalysis
Agent, caprolactam and dicyandiamide are toughener, and controlled at 90-95 DEG C, every 30min adjusts a PH after reaction solution turns clear
Value, control pH value are 8.8-9.3, end of reaction, and feed liquid is cooled to 50 DEG C, diethylene glycol is added and stirs 20min, obtains being modified three
Melamine-formaldehyde resin；
2) it is 1:1.3 according to formaldehyde and phenol molar ratio by fruit phenol, phenol, formaldehyde, the molar ratio of formaldehyde and fruit phenol is 1:
1.4 proportion modulation, and controlling pH value is 8.5-9.0, and fruit is added when cloud point occur in formaldehyde and phenol negative pressure back flow reaction
Phenol continues to flow back, and carries out being dewatered to up to control terminal after water multiple reaches 350-380；
3) decoration fibrous paper impregnates modified melamine-formaldehyde resin, and spread 125%, volatilizing is 7.0%；
4) fibrous paper impregnated phenolic resin, spread 40%, volatilization 6.5%；
5) after fibrous paper and fibrous paper will be decorated according to the progress hot pressing of thickness ratio assembly, the press fitting of high impact-resistant type height is obtained
Adorn laminate.
Hot pressing uses hot press, hot press heating-up time 18min, pressure 75kg/m2, pressure-maintaining and heat-preservation time 33min, pressure maintaining
Cooling time 40min, 120 DEG C of decorative panel plate core maximum temperature.Plate core temperature is down to 50 DEG C or less rear releases, unloads the goods from the airplane, slab warp
High impact-resistant high pressure decorative laminate is obtained after crossing the processing of the processes such as saw side, sand hair.
In conclusion preparation method of the invention can produce, flexibility is good, shock resistance is high, cuts and is not easy chipping
The decorative laminate cracked.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (8)
1. a kind of preparation method of high impact-resistant high pressure decorative laminate, which comprises the following steps:
1) it is 1:1.2-2.0 according to formaldehyde and melamine molar ratio, takes water as a solvent, catalyst and toughener, feed liquid is added
When being reacted at being 90-95 DEG C in temperature, every 30-40min adjusts a pH value after reaction solution turns clear, and control pH value is
8.8-9.3, end of reaction, feed liquid are cooled to 50 DEG C or less and add toughener stirring 20-30min, obtain modified cyanurotriamide
Formaldehyde resin；Wherein, catalyst is sodium hydroxide or ammonium chloride, and toughener is caprolactam, dicyandiamide, one in diethylene glycol
Kind is a variety of；
It 2) is 1:1.2-2.0 according to formaldehyde and phenol molar ratio, the molar ratio of formaldehyde and fruit phenol is modulated for 1:1.0-1.8,
And controlling pH value is 8.5-9.0, carries out being dewatered to up to control terminal after water multiple reaches 350-380；
3) decoration fibrous paper impregnates modified melamine-formaldehyde resin, and spread 110-130% volatilizees for 7-8%；
4) fibrous paper impregnated phenolic resin, spread 36-45%, volatilize 6-7%；
5) after fibrous paper and fibrous paper will be decorated according to the progress hot pressing of thickness ratio assembly, high impact-resistant type decorative high-pressure is obtained
Pressing plate.
2. the preparation method of high impact-resistant high pressure decorative laminate according to claim 1, which is characterized in that in step 2
The feed way of fruit phenol be fruit phenol, phenol, formaldehyde once feeds intake or phenol, formaldehyde negative pressure back flow reaction occur cloud point it is secondary plus
Enter fruit phenol to continue to flow back.
3. the preparation method of high impact-resistant high pressure decorative laminate according to claim 1, which is characterized in that in step 5)
Hot pressing uses hot press, hot press heating-up time 15-20min, pressure 65-85kg/m2, pressure-maintaining and heat-preservation time 35-40min, guarantor
Press 30-45min cooling time, 135 DEG C of decorative panel plate core maximum temperature；Plate core temperature is down to 50 DEG C or less rear releases, unloads the goods from the airplane, plate
Base obtains high impact-resistant type high pressure decorative laminate after the processes processing such as saw side, sand hair.
4. high pressure decorative lamination prepared by the preparation method of high impact-resistant high pressure decorative laminate according to claim 1
Plate, it is characterised in that: including decorative layer and substrate layer, decorative layer is the decoration fibre for impregnating toughening modifying melamine resin
Paper is tieed up, substrate layer is the fibrous paper for impregnating fruit phenol toughening modifying phenolic resin.
5. high pressure decorative laminate according to claim 4, which is characterized in that the toughening modifying trimerization of decorative layer dipping
Toughener contained by cyanamide formaldehyde resin is one or more of caprolactam, dicyandiamide, diethylene glycol, and it is total that toughener accounts for resin
The 2-45wt% of weight.
6. high pressure decorative laminate according to claim 4, which is characterized in that the melamino-formaldehyde of decorative layer dipping
Resin-formaldehyde and the molar ratio of phenol are 1:1.2-2.0, and the molar ratio of formaldehyde and fruit phenol is 1:1.0-1.8.
7. high pressure decorative laminate according to claim 4, which is characterized in that the feed way of fruit phenol be fruit phenol, phenol,
Formaldehyde once feeds intake or one of secondary addition fruit phenol of cloud point occur in phenol, formaldehyde reaction.
8. high pressure decorative laminate according to claim 7, which is characterized in that the fruit phenol is peanut shell, cashew nut shell
It is refined in oil.
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| CN101265352A (en) * | 2008-04-22 | 2008-09-17 | 山东金宝电子股份有限公司 | Cardanol modifying phenolic resin composition and method for producing environmental protection type flame-proof paper-base copper-coating board |
| CN101746102A (en) * | 2008-12-18 | 2010-06-23 | 建滔化工集团有限公司 | Compound base copper-clad laminate and manufacturing method thereof |
| CN205416589U (en) * | 2015-12-17 | 2016-08-03 | 福建利豪电子科技股份有限公司 | Two -sided copper -clad plate of improved generation high peel strength intensity |
| CN106739317A (en) * | 2016-12-28 | 2017-05-31 | 江苏博大木业有限公司 | High abrasion antibacterial flame-retardant decorative panel and preparation method thereof |
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Address after: 213000 Jiangsu Province, Changzhou city Wujin District Henglin town Cui Qiao Cun Patentee after: Jiangsu Boda New Material Technology Co., Ltd Address before: 213000 Jiangsu Province, Changzhou city Wujin District Henglin town Cui Qiao Cun Patentee before: JIANGSU BODA WOOD INDUSTRY Co.,Ltd. |