CN107457865B - A kind of flame-proof treatment method of willow-plaited process product - Google Patents
A kind of flame-proof treatment method of willow-plaited process product Download PDFInfo
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- CN107457865B CN107457865B CN201710844815.1A CN201710844815A CN107457865B CN 107457865 B CN107457865 B CN 107457865B CN 201710844815 A CN201710844815 A CN 201710844815A CN 107457865 B CN107457865 B CN 107457865B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K9/00—Chemical or physical treatment of reed, straw, or similar material
- B27K9/002—Cane, bamboo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/08—Impregnating by pressure, e.g. vacuum impregnation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/001—Heating
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/10—Halides or oxyhalides of phosphorus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K2240/00—Purpose of the treatment
- B27K2240/30—Fireproofing
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Fireproofing Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention relates to willow-plaited process product processing technology fields, disclose a kind of flame-proof treatment method of willow-plaited process product, the fire retardant that 0.2-0.3% is prepared is added in the phenolic resin of low molecular weight, dipping hot-pressing processing is carried out to willow-plaited process product, the phosphorus flame retardant being prepared is expansion type flame retardant, the substance that can capture free radical is generated in decomposable process, reach fire-retardant to cut off free radical lock reaction, press down the purpose of cigarette, polymer is covered on willow-plaited process product surface formation protective layer and plays fire retardation, solve the problems, such as that phenolic resin will lead to Wood mechanical property decline, and it is with fixedness.The present invention is directed to the inflammable problem of willow-plaited process product, and the characteristics of phenolic resin of low molecular weight is to willow good penetrability is utilized, and prepares a kind of novel fire retardant, not will cause the decline of willow-plaited process product mechanical property again while improving the flame retardant property of wicker plaiting article.
Description
Technical field
The invention belongs to willow-plaited process product processing technology fields, and in particular to a kind of flame retardant treatment of willow-plaited process product
Method.
Background technique
Wicker plaiting article is one of folks of china traditional handicraft product.People are intended only as common daily utility in ancient times, directly
Decades just gradually rise after to 20th century, also the project for becoming selected areas of China foreign exchange earning gradually.The whole nation has three big
Wicker plaiting article production base: Shandong, Henan, Anhui.Wicker soft pliable, thickness are well-balanced, color is graceful, can by novel design
To be woven into natural, handsome in appearance, Portable durable the practical art product of various honesties.Its product includes: crate (packet), meal
Basket, food basket (circle, ellipse), bamboo strainer, needlework shallow basket made of wicker or thin bamboo strips, kang mat, reed matting etc..As industry continues to develop, product is constantly brought forth new ideas, and is had
The willow of more Nover practical beauties is presented in face of client.Wicker products are the handicrafts of the civil widespread in China
Product, this is because the raw material sources of this technique are very extensive.There are withy, Chinese tamarisk in the north for compiling the primary raw material that basket compiles basket
Branch, mulberry shoot, the twigs of the chaste tree, false indigo stem etc. are a variety of, produce in salt-soda soil and marshland.
2001, Funan was named as " township of Chinese purple willow " Funan willow-plaited process product knitting skill by the State Administration of Forestry and is arranged
Enter Anhui Province's Fuyang City " non-material cultural heritage ", authorizes " township of Chinese wicker plaiting article " by national craftwork fine arts association within 2009
Title.This traditional handicraft of wicker plaiting article brings the life of happiness to the Funan people, they are compiled by oneself hard exquisite both hands
Weave the exquisite practical art work one by one.The succession of traditional Chinese culture is developed on hand at them.With modern technologies
Horizontal development, in order to improve the permanent value for preservation of willow-plaited process product, various processing modes can assign willow in modern crafts
Compile the more permanent preservation use value of craftwork.
Summary of the invention
The purpose of the present invention is providing a kind of flame-proof treatment method of willow-plaited process product for existing problem, for
The inflammable problem of willow-plaited process product prepares a kind of novel fire retardant, will not make again while improving the flame retardant property of wicker plaiting article
At the decline of willow-plaited process product mechanical property.
The present invention is achieved by the following technical solutions:
A kind of flame-proof treatment method of willow-plaited process product is added 0.2-0.3% in the phenolic resin of low molecular weight and is prepared into
The fire retardant arrived carries out dipping hot-pressing processing to willow-plaited process product, comprising the following steps:
(1) 0.10- is added in the 100m1 three-necked flask equipped with thermometer, reflux condensing tube and constant pressure funnel
0.15 mole of isobutylaldehyde, under magnetic stirring, by 45-50m1 dissolved with the ethanol solution of 0.05-0.08 molar potassium hydroxide
It is slowly dropped in there-necked flask from constant pressure funnel, with water-bath temperature control in 55-65 DEG C of range, reaction time 3-4 in reaction
Hour, alcohol solvent is recycled after reaction, 50-60m1 cold water is added into reaction system, and oscillation is static to faint yellow solid
It is no longer precipitated, is filtered, wash, recrystallize, obtain intermediate；
(2) intermediate being prepared is added in three-necked flask, 0.06-0.08 moles of new steaming trichlorine oxygen is added
Phosphorus, 0.20-0.25 moles of methylene chloride, 40-50m1 acetonitrile use DMAP as catalyst, 40-50 DEG C of heating water bath, control
0.03-0.04 mole of triethylamine is slowly added dropwise under temperature, 60-65 DEG C is warming up to after dripping, keeps the temperature 2.5-3.0 hours, reaction knot
Shu Hou is filtered, and is washed 2-3 times, and alcohol is washed 3-5 times, and dry, obtaining white powdery solids is fire retardant；
(3) fire retardant is added in the pf resin of low molecular weight of ethyl alcohol dissolution, after mixing evenly to willow-plaited process product
Carry out dipping hot-pressing processing, dipping temperature is 50-55 DEG C, and dip time is 3-5 hours, together by maceration extract and willow-plaited process product
It is put into hot press, pressure 0.5-0.8MPa, hot pressing time is 40-60 minutes, and slow release pressure is to interior after hot pressing
External pressure balance, willow-plaited process product are taken out, and the covering with paint of surface film is carried out after cleaning-drying；
Newly steam described in step (2) phosphorus oxychloride the preparation method comprises the following steps: phosphorus trichloride is added in reactor, is passed through chlorine
Gas, while water is added dropwise, control chlorine water ratio are 4.0-4.2:1, and logical chlorine and speed of dropping water are respectively 30-35kg/h, 7-9 kg/h,
Being heated to 105-110 DEG C with jacket steam vaporizes reactant in reactor, after condenser condenses, then passes back into reactor
In, it is secondary to be passed through chlorine, continue the phosphorus trichloride of chlorination remaining, is back to that reactant color is pure white, phosphorus trichloride remaining quantity exists
When 0.2% or less, product is exported by condenser up to the new steaming phosphorus oxychloride finished product.
It is further described as to above scheme, successively with acid, alkali and water before the reaction of methylene chloride described in step (2)
Each washing 1-2 times, 1-2 times, 2-3 times are added Anhydrous potassium carbonate drying, then distill 1-2 hours.
It is further described as to above scheme, pressure decay rate is 50-60KPa/h after hot pressing in step (3).
The present invention has the advantage that solve existing willow-plaited process product and exist in flame retardant treatment compared with prior art
The problem of, the present invention provides a kind of flame-proof treatment methods of willow-plaited process product, are added in the phenolic resin of low molecular weight
Willow-plaited process product are carried out dipping hot-pressing processing by the fire retardant that 0.2-0.3% is prepared, and the phosphorus flame retardant being prepared is
Expansion type flame retardant generates the substance that can capture free radical, so that cutting off free radical lock reaction reaches resistance in decomposable process
Combustion, the purpose for pressing down cigarette, polymer are covered on willow-plaited process product surface formation protective layer and play fire retardation, solve phenolic resin
The problem of will lead to Wood mechanical property decline, and it is with fixedness.The present invention is asked for the inflammable of willow-plaited process product
Topic, is utilized the characteristics of phenolic resin of low molecular weight is to willow good penetrability, prepares a kind of novel fire retardant, is improving willow
The decline of willow-plaited process product mechanical property is not will cause while the flame retardant property of volume again.
Specific embodiment
The present invention will be further described combined with specific embodiments below.
Embodiment 1
A kind of flame-proof treatment method of willow-plaited process product, addition 0.2% is prepared in the phenolic resin of low molecular weight
Fire retardant carries out dipping hot-pressing processing to willow-plaited process product, comprising the following steps:
(1) 0.10 mole is added in the 100m1 three-necked flask equipped with thermometer, reflux condensing tube and constant pressure funnel
Isobutylaldehyde under magnetic stirring delays 45m1 dissolved with the ethanol solution of 0.05 molar potassium hydroxide from constant pressure funnel
Slowly it is added drop-wise in there-necked flask, with water-bath temperature control in 55-65 DEG C of range in reaction, the reaction time is 3 hours, is recycled after reaction
50m1 cold water is added into reaction system for alcohol solvent, and oscillation is static to be no longer precipitated to faint yellow solid, is filtered, is washed
It washs, recrystallize, obtain intermediate；
(2) intermediate being prepared is added in three-necked flask, the new steaming phosphorus oxychloride of 0.06 mole of addition, 0.20
Mole methylene chloride, 40m1 acetonitrile, use DMAP as catalyst, 40 DEG C of heating water baths are slowly added dropwise 0.03 under temperature control and rub
That triethylamine, is warming up to 60 DEG C after dripping, keep the temperature 2.5 hours, after reaction, be filtered, and washes 2 times, and alcohol is washed 3 times,
Dry, obtaining white powdery solids is fire retardant；
(3) fire retardant is added in the pf resin of low molecular weight of ethyl alcohol dissolution, after mixing evenly to willow-plaited process product
Dipping hot-pressing processing is carried out, dipping temperature is 50 DEG C, and dip time is 3 hours, and maceration extract and willow-plaited process product are put into together
In hot press, pressure 0.5MPa, hot pressing time is 40 minutes, and slow release pressure to inside and outside pressing is weighed after hot pressing, will
Willow-plaited process product take out, and the covering with paint of surface film is carried out after cleaning-drying；
Newly steam described in step (2) phosphorus oxychloride the preparation method comprises the following steps: phosphorus trichloride is added in reactor, is passed through chlorine
Gas, while water is added dropwise, control chlorine water ratio is 4.0:1, leads to chlorine and speed of dropping water is respectively 30kg/h, 7 kg/h, steamed with collet
Vapour, which is heated to 105 DEG C, vaporizes reactant in reactor, after condenser condenses, then passes back into reactor, secondary to be passed through chlorine
Gas continues the phosphorus trichloride of chlorination remaining, when being back to that reactant color is pure white, phosphorus trichloride remaining quantity is below 0.2%, production
Object is exported by condenser up to the new steaming phosphorus oxychloride finished product.
It is further described as to above scheme, successively with acid, alkali and water before the reaction of methylene chloride described in step (2)
Each washing 1 time, 1 time, 2 times are added Anhydrous potassium carbonate drying, then distill 1 hour.
It is further described as to above scheme, pressure decay rate is 50KPa/h after hot pressing in step (3).
Embodiment 2
A kind of flame-proof treatment method of willow-plaited process product is added 0.25% in the phenolic resin of low molecular weight and is prepared
Fire retardant, dipping hot-pressing processing is carried out to willow-plaited process product, comprising the following steps:
(1) 0.12 mole is added in the 100m1 three-necked flask equipped with thermometer, reflux condensing tube and constant pressure funnel
Isobutylaldehyde under magnetic stirring delays 48m1 dissolved with the ethanol solution of 0.06 molar potassium hydroxide from constant pressure funnel
Slowly it is added drop-wise in there-necked flask, with water-bath temperature control in 55-65 DEG C of range in reaction, the reaction time is 3.5 hours, is returned after reaction
Alcohol solvent is received, 55m1 cold water is added into reaction system, oscillation is static to be no longer precipitated to faint yellow solid, is filtered, is washed
It washs, recrystallize, obtain intermediate；
(2) intermediate being prepared is added in three-necked flask, the new steaming phosphorus oxychloride of 0.07 mole of addition,
0.22 mole of methylene chloride, 45m1 acetonitrile use DMAP as catalyst, 45 DEG C of heating water baths, are slowly added dropwise under temperature control
0.035 mole of triethylamine is warming up to 62 DEG C after dripping, keep the temperature 2.8 hours, after reaction, be filtered, and washes 2 times, alcohol
It washes 4 times, dry, obtaining white powdery solids is fire retardant；
(3) fire retardant is added in the pf resin of low molecular weight of ethyl alcohol dissolution, after mixing evenly to willow-plaited process product
Dipping hot-pressing processing is carried out, dipping temperature is 52 DEG C, and dip time is 4 hours, and maceration extract and willow-plaited process product are put into together
In hot press, pressure 0.6MPa, hot pressing time is 50 minutes, and slow release pressure to inside and outside pressing is weighed after hot pressing, will
Willow-plaited process product take out, and the covering with paint of surface film is carried out after cleaning-drying；
Newly steam described in step (2) phosphorus oxychloride the preparation method comprises the following steps: phosphorus trichloride is added in reactor, is passed through chlorine
Gas, while water is added dropwise, control chlorine water ratio is 4.1:1, leads to chlorine and speed of dropping water is respectively 32kg/h, 8kg/h, use jacket steam
Being heated to 108 DEG C vaporizes reactant in reactor, after condenser condenses, then passes back into reactor, secondary to be passed through chlorine,
The phosphorus trichloride for continuing chlorination remaining, when being back to that reactant color is pure white, phosphorus trichloride remaining quantity is below 0.2%, product by
Condenser exports up to the new steaming phosphorus oxychloride finished product.
It is further described as to above scheme, successively with acid, alkali and water before the reaction of methylene chloride described in step (2)
Each washing 1 time, 1 time, 2 times are added Anhydrous potassium carbonate drying, then distill 1.5 hours.
It is further described as to above scheme, pressure decay rate is 55KPa/h after hot pressing in step (3).
Embodiment 3
A kind of flame-proof treatment method of willow-plaited process product, addition 0.3% is prepared in the phenolic resin of low molecular weight
Fire retardant carries out dipping hot-pressing processing to willow-plaited process product, comprising the following steps:
(1) 0.15 mole is added in the 100m1 three-necked flask equipped with thermometer, reflux condensing tube and constant pressure funnel
Isobutylaldehyde under magnetic stirring delays 50m1 dissolved with the ethanol solution of 0.08 molar potassium hydroxide from constant pressure funnel
Slowly it is added drop-wise in there-necked flask, with water-bath temperature control in 55-65 DEG C of range in reaction, the reaction time is 4 hours, is recycled after reaction
60m1 cold water is added into reaction system for alcohol solvent, and oscillation is static to be no longer precipitated to faint yellow solid, is filtered, is washed
It washs, recrystallize, obtain intermediate；
(2) intermediate being prepared is added in three-necked flask, the new steaming phosphorus oxychloride of 0.08 mole of addition,
0.25 mole of methylene chloride, 50m1 acetonitrile use DMAP as catalyst, 50 DEG C of heating water baths, are slowly added dropwise under temperature control
0.04 mole of triethylamine is warming up to 65 DEG C after dripping, keep the temperature 3.0 hours, after reaction, be filtered, and washes 3 times, alcohol
It washes 5 times, dry, obtaining white powdery solids is fire retardant；
(3) fire retardant is added in the pf resin of low molecular weight of ethyl alcohol dissolution, after mixing evenly to willow-plaited process product
Dipping hot-pressing processing is carried out, dipping temperature is 55 DEG C, and dip time is 5 hours, and maceration extract and willow-plaited process product are put into together
In hot press, pressure 0.8MPa, hot pressing time is 60 minutes, and slow release pressure to inside and outside pressing is weighed after hot pressing, will
Willow-plaited process product take out, and the covering with paint of surface film is carried out after cleaning-drying；
Newly steam described in step (2) phosphorus oxychloride the preparation method comprises the following steps: phosphorus trichloride is added in reactor, is passed through chlorine
Gas, while water is added dropwise, control chlorine water ratio is 4.2:1, leads to chlorine and speed of dropping water is respectively 35kg/h, 9 kg/h, steamed with collet
Vapour, which is heated to 110 DEG C, vaporizes reactant in reactor, after condenser condenses, then passes back into reactor, secondary to be passed through chlorine
Gas continues the phosphorus trichloride of chlorination remaining, when being back to that reactant color is pure white, phosphorus trichloride remaining quantity is below 0.2%, production
Object is exported by condenser up to the new steaming phosphorus oxychloride finished product.
It is further described as to above scheme, successively with acid, alkali and water before the reaction of methylene chloride described in step (2)
Each washing 2 times, 2 times, 3 times are added Anhydrous potassium carbonate drying, then distill 2 hours.
It is further described as to above scheme, pressure decay rate is 60KPa/h after hot pressing in step (3).
Comparative example 1
Difference with embodiment 1 is only that, the phenolic resin of low molecular weight is replaced using Lauxite, remaining keeps not
Become.
Comparative example 2
Difference with embodiment 2 is only that, replaces being prepared in the present invention using existing phosphorus flame retardant fire-retardant
Agent, remaining is remained unchanged.
Comparative example 3
Difference with embodiment 3 is only that, is impregnated in hot-pressing processing, and dipping temperature is 70 DEG C, and dip time is 6 hours,
Remaining is remained unchanged.
Comparative test
It is handled respectively using the method for embodiment 1-3 and comparative example 1-3 with a collection of willow-plaited process product, and with existing timber
The method of fire retardant dipping as a control group, keeps irrelevant variable consistent, the power of measurement record flame retardant effect and willow-plaited process product
Performance is learned, result is recorded as shown in the table:
| Project | Oxygen index (OI) (at 200 DEG C) | Bending strength (MPa) | Corrosion treatment weight-loss ratio (%) | Dimensional stability (%) |
| Embodiment 1 | 99.7% | 83 | 0.23 | 90.5 |
| Embodiment 2 | 99.8% | 86 | 0.21 | 91.2 |
| Embodiment 3 | 99.7% | 85 | 0.22 | 90.8 |
| Comparative example 1 | 86.8 | 71 | 3.56 | 79.6 |
| Comparative example 2 | 80.4 | 65 | 5.79 | 74.5 |
| Comparative example 3 | 87.3 | 74 | 3.32 | 82.1 |
| Control group | 76.2 | 60 | 8.65 | 73.2 |
It can be seen that the present invention is directed to the inflammable problem of willow-plaited process product, the phenolic resin of low molecular weight is utilized to willow
The characteristics of wooden good penetrability, prepares a kind of novel fire retardant, not will cause willow again while improving the flame retardant property of wicker plaiting article
Compile the decline of craftwork mechanical property.
Claims (3)
1. a kind of flame-proof treatment method of willow-plaited process product, which is characterized in that 0.2- is added in the phenolic resin of low molecular weight
0.3% fire retardant being prepared carries out dipping hot-pressing processing to willow-plaited process product, comprising the following steps:
(1) 0.10-0.15 is added in the 100mL three-necked flask equipped with thermometer, reflux condensing tube and constant pressure funnel to rub
Your isobutylaldehyde, under magnetic stirring, by 45-50mL dissolved with 0.05-0.08 molar potassium hydroxide ethanol solution from constant pressure
Dropping funel is slowly dropped in there-necked flask, and with water-bath temperature control in 55-65 DEG C of range in reaction, the reaction time is 3-4 hours, instead
Alcohol solvent is recycled after answering, 50-60m1 cold water is added into reaction system, and oscillation is static no longer to analyse to faint yellow solid
Out, it is filtered, washs, recrystallizes, obtain intermediate；
(2) intermediate being prepared is added in three-necked flask, the new steaming phosphorus oxychloride of 0.06-0.08 moles of addition,
0.20-0.25 moles of methylene chloride, 40-50mL acetonitrile, use DMAP as catalyst, 40-50 DEG C of heating water bath, temperature control
Under 0.03-0.04 mole of triethylamine is slowly added dropwise, be warming up to 60-65 DEG C after dripping, keep the temperature 2.5-3.0 hours, reaction terminates
Afterwards, it is filtered, washes 2-3 times, alcohol is washed 3-5 times, and dry, obtaining white powdery solids is fire retardant；
(3) fire retardant is added in the pf resin of low molecular weight of ethyl alcohol dissolution, willow-plaited process product is carried out after mixing evenly
Hot-pressing processing is impregnated, dipping temperature is 50-55 DEG C, and dip time is 3-5 hours, and maceration extract and willow-plaited process product are put into together
In hot press, pressure 0.5-0.8MPa, hot pressing time is 40-60 minutes, and slow release pressure is to interior external pressure after hot pressing
Balance, willow-plaited process product are taken out, and the covering with paint of surface film is carried out after cleaning-drying；
Newly steam described in step (2) phosphorus oxychloride the preparation method comprises the following steps: phosphorus trichloride is added in reactor, is passed through chlorine, together
When be added dropwise water, control chlorine water ratio is 4.0-4.2:1, leads to chlorine and speed of dropping water is respectively 30-35kg/h, 7-9 kg/h, with folder
Set, which is steam heated to 105-110 DEG C, vaporizes reactant in reactor, after condenser condenses, then passes back into reactor, two
It is secondary to be passed through chlorine, continue the phosphorus trichloride of chlorination remaining, be back to reactant color is pure white, phosphorus trichloride remaining quantity 0.2% with
When lower, product is exported by condenser up to the new steaming phosphorus oxychloride finished product.
2. a kind of flame-proof treatment method of willow-plaited process product as described in claim 1, which is characterized in that two described in step (2)
1-2 times, 1-2 times, 2-3 times are respectively successively washed with acid, alkali and water before chloromethanes reaction, Anhydrous potassium carbonate drying is added, then steams
It evaporates 1-2 hours.
3. a kind of flame-proof treatment method of willow-plaited process product as described in claim 1, which is characterized in that sinter in step (3)
Pressure decay rate is 50-60kPa/h after beam.
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| CN108789732A (en) * | 2018-07-03 | 2018-11-13 | 阜南县明强柳编工艺品有限公司 | A kind of enhancing modification processing method of rattan material |
| CN111113605B (en) * | 2019-12-13 | 2021-05-25 | 阜南佳利工艺品股份有限公司 | Long-acting flame-retardant treatment method suitable for wicker artware |
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| FR2506666A1 (en) * | 1981-06-01 | 1982-12-03 | Koppers Co Inc | DELAYED COMBUSTION PARTICLE PANEL AND PROCESS FOR OBTAINING SAME |
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| CN101429438A (en) * | 2008-12-23 | 2009-05-13 | 山东天一化学有限公司 | Phosphor-nitrogen expansion type combustion inhibitor and method of producing the same |
| CN106397778A (en) * | 2016-09-05 | 2017-02-15 | 北京理工大学 | Method for increasing yield and polymerization degree of polymeric phosphorus-nitrogen intumescent flame retardant |
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| CN1824731A (en) * | 2006-04-05 | 2006-08-30 | 浙江大学 | Preparation technology of phosphorus nitrogen series expansion type fire retardant |
| CN101412231A (en) * | 2008-11-10 | 2009-04-22 | 德华兔宝宝装饰新材股份有限公司 | Method for producing flame-retardant glued board |
| CN101429438A (en) * | 2008-12-23 | 2009-05-13 | 山东天一化学有限公司 | Phosphor-nitrogen expansion type combustion inhibitor and method of producing the same |
| CN106397778A (en) * | 2016-09-05 | 2017-02-15 | 北京理工大学 | Method for increasing yield and polymerization degree of polymeric phosphorus-nitrogen intumescent flame retardant |
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Effective date of registration: 20221124 Address after: 236300 Liu Gang Industrial function area of Huanggang Town, Funan County, Fuyang, Anhui Patentee after: Funan Yunqiang rattan willow Handicraft Co.,Ltd. Address before: 236300 Liu Tai Village, Gao Tai Township, Funan County, Fuyang, Anhui Patentee before: FUNAN JINWEI CRAFTS CO.,LTD. |