CN111893806A - Preparation method of flame-retardant plant-based wall decoration material - Google Patents
Preparation method of flame-retardant plant-based wall decoration material Download PDFInfo
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- CN111893806A CN111893806A CN202010780282.7A CN202010780282A CN111893806A CN 111893806 A CN111893806 A CN 111893806A CN 202010780282 A CN202010780282 A CN 202010780282A CN 111893806 A CN111893806 A CN 111893806A
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J5/00—Manufacture of hollow articles by transferring sheets, produced from fibres suspensions or papier-mâché by suction on wire-net moulds, to couch-moulds
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/001—Modification of pulp properties
- D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
- D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds
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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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
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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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
- D21H11/20—Chemically or biochemically modified fibres
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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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
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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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
- D21H21/10—Retention agents or drainage improvers
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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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/18—Reinforcing agents
- D21H21/20—Wet strength agents
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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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/34—Ignifugeants
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Abstract
The invention relates to the field of building material preparation, in particular to a preparation method of a flame-retardant plant-based wall decorative material; the degradable wall decoration material is prepared from the plant fiber raw material, so that the problems of resource waste and environmental pollution caused by combustion can be solved, and the inherent value of the product can be improved; in order to solve the problem of flame retardance of materials, the modified starch surface-coated inorganic flame retardant is added in the preparation process, the flame retardant is prepared by coating magnesium hydroxide and aluminum hydroxide after cation modified starch is gelatinized, and the flame retardant has the advantages of no toxicity of decomposition products, small smoke and the like; the coating of the cationic modified starch increases the adhesiveness between the inorganic particles and the plant fiber, is beneficial to improving the retention rate, and solves the problems of low retention rate of the inorganic flame retardant, increased white water concentration, difficult quantitative control, heavy load of wastewater treatment and the like.
Description
Technical Field
The invention relates to the field of building material preparation, in particular to a preparation method of a flame-retardant plant-based wall decoration material.
Background
China has abundant non-wood plant fiber resources, but most of the non-wood plant fiber resources cannot be economically and effectively utilized. Most of the non-wood plant fiber raw materials are directly combusted, which not only wastes resources, but also seriously harms the natural ecological environment. The plant fiber molding wall decoration material prepared by the non-wood plant fiber raw material can well solve the problem of utilization of non-wood plant fiber resources, improves the utilization value of the non-wood plant fiber resources, meets the national requirement for building an energy-saving society, and is beneficial to economic and recyclable development.
CN101476250A discloses a method for producing pulp for fiber molding environment-friendly wall decoration materials. The method selects crop straw raw materials such as wheat straw, bagasse and reed, firstly treats the raw materials by using warm alkali liquor, the alkali consumption is 1% -3% of the absolute dry material, the treatment temperature is 70-90 ℃, the dryness of the pretreated raw materials is 30% -35% by screw extrusion dehydration, fiber pre-defibering is carried out by using a double-screw fiber rubbing and grinding devillicating machine, and pulp for the plant fiber wall decoration material is obtained by grinding pulp by a high-concentration disc grinder. The slurry for the fiber molding wall decoration material prepared by the method has the characteristics of improving the water filtering speed and effectively improving the mechanical properties such as the stiffness of the fiber molding wall decoration material. The material cost is greatly reduced by using the slurry, and the production process of the slurry is environment-friendly and pollution-free.
CN110551256A provides a preparation method of a composite plant fiber molding decorative building material, which relates to the field of building materials and comprises the following steps: modifying flax fiber; modified bamboo charcoal fiber; preparing a composite plant fiber prepolymer; adding the composite plant fiber prepolymer and the nano organic montmorillonite into distilled water, heating to 70-90 ℃, rapidly stirring and dispersing at the rotating speed of 1200-1400r/min for 60-80min, adding the composite emulsifier, continuously stirring for 30-50min, cooling to 40-45 ℃, adding a mixed monomer consisting of methyl methacrylate and butyl acrylate, stirring for 20-30min, dropwise adding an ammonium persulfate aqueous solution, heating to 80-85 ℃ after dropwise adding, stirring for reacting for 8-10h, adding a demulsifier, performing suction filtration, fully washing with water, performing vacuum drying and ball milling to obtain a base material; the base material is put into a mould, heated to 180-200 ℃ under a certain pressure, kept warm and kept pressure for 40-60min, cooled to room temperature and demoulded, and the composite plant fiber molding decorative building material has excellent mechanical strength.
CN106346676A discloses a manufacturing process method of a tea element functional decorative material, which comprises the following process steps: (1) preparing a tea element main raw material: a cheaper tea element main raw material is obtained by the following method that in the process of pruning branches and leaves of tea trees in second spring or third spring or autumn or winter, the pruned branches and leaves of the tea trees are withered, then stacked until half fermentation is carried out, enzyme deactivation is carried out, rolling and drying are carried out, and then crushing is carried out, so as to obtain the tea element main raw material. (2) Preparation of the raw material composition: in order to enhance the strength of the material, the tea element main raw material, the plant fiber raw material or the carbon fiber raw material or the metal fiber raw material and the molding powder raw material are uniformly mixed to obtain the raw material composition. (3) Preheating the raw material composition; (4) and adding the preheated raw material composition into a heating die cavity for hot-press forming to obtain the tea element functional decorative material.
The plant fiber is an extremely flammable material, and a large amount of flame retardant is inevitably used in order to achieve a good flame retardant effect, the organic flame retardant used in the invention and the prior patent has the defects of high toxicity of decomposition products, large smoke and the like and is not suitable for plant fiber wall decoration materials, while the inorganic flame retardant has low retention rate, and has the adverse effects of increased white water concentration, difficult quantitative control, heavy load of wastewater treatment and the like.
Disclosure of Invention
In order to solve the problems, the invention provides a preparation method of a flame-retardant plant-based wall decoration material.
The main scheme is as follows:
step 1: adding 100-150 parts by mass of plant fiber into 10-15% by mass of hydrochloric acid and 4-8 parts by mass of zinc chloride, controlling the temperature to be 60-70 ℃, treating for 30-90min, and performing spiral extrusion dehydration on the plant fiber after treatment; adding water for pulping after completion, wherein the concentration of the plant fiber is 5.2-8.7%, pulping and dispersing for 20-40min, stirring for 2-5h, and filtering to obtain chlorinated raw material plant fiber;
the equation for the partial reaction is shown below:
step 2: then evenly mixing the unsaturated silicon-based plant fiber with 6-13 parts of 3-trimethylsilyl propylene alcohol and 100-200 parts of water, controlling the temperature to be 60-75 ℃, and stirring for 3-7h to obtain unsaturated silicon-based plant fiber;
the equation for the partial reaction is shown below:
and step 3: then adding 10-15 parts of magnesium hydroxide, 9.4-15.8 parts of diallyl dimethyl ammonium chloride and 0.1-0.5 part of potassium persulfate, uniformly stirring, and then reacting at 80-95 ℃ for 3-5 h; drying, grinding into powder of 50-70 meshes,
the equation for the partial reaction is shown below:
and 4, step 4: then adding 5-10 parts of talcum powder, 0.5-3 parts of lubricant, 1-5 parts of wet strength agent and 1.2-4.8 parts of retention aid, then carrying out disc grinding for 10-20min, then carrying out grouting, injecting the slurry into paper pulp molding production equipment, carrying out cold pressing after suction filtration, wherein the cold pressing pressure is 30-50kN, the time is 4-8min, and then carrying out hot pressing, wherein the hot pressing temperature is 150-; and after finishing, trimming to obtain the flame-retardant plant-based wall decorative material.
The equation for the partial reaction is shown below:
the raw material plant fiber is bamboo pulp fiber, bagasse fiber or reed fiber.
The retention aid is polydiallyl dimethyl ammonium chloride or polyethyleneimine or cationic polyacrylamide.
The wet strength agent is polyamide polyepichlorohydrin resin or dialdehyde starch.
The lubricant is calcium stearate or zinc stearate.
The invention relates to a preparation method of a flame-retardant plant-based wall decoration material, which prepares a degradable wall decoration material by using plant fiber raw materials, can solve the problems of resource waste and environmental pollution caused by combustion, and can improve the inherent value of the product; in order to solve the problem of flame retardance of materials, the invention adds a diallyl dimethyl ammonium chloride and unsaturated silicon-based plant fiber cross-linked and coated magnesium hydroxide flame retardant in the preparation process, and the flame retardant has the advantages of no toxicity of decomposition products, small smoke and the like; the coating increases the adhesiveness between the inorganic particles and the plant fibers, is beneficial to improving the retention rate, and solves the problems of low retention rate of the inorganic flame retardant, increased white water concentration, difficult quantitative control, heavy load of wastewater treatment and the like.
Drawings
Fig. 1 is a fourier infrared spectrum of the flame-retardant plant-based wall decoration material prepared in example 3.
At 2931cm-1The expansion and contraction absorption peak of hydrocarbon exists nearby and is 1120cm-1An antisymmetric telescopic absorption peak of ether is present nearby and is 3370cm-1The telescopic absorption peak of hydroxyl exists nearby and is 769cm-1An absorption peak of carbon-chlorine bonds exists nearby, which indicates that the cellulose participates in the reaction; at 1460cm-1An absorption peak of magnesium-oxygen bonds exists nearby, which indicates that magnesium hydroxide participates in the reaction; at 931cm-1An absorption peak of a carbon-nitrogen single bond exists nearby, which indicates that diallyl dimethyl ammonium chloride participates in the reaction; at 622cm-1A stretching absorption peak of silicon-carbon bond exists nearby, which indicates that the 3-trimethylsilyl allyl alcohol participates in the reaction; at 1078cm-1Presence of silicon in the vicinityThe absorption peak of oxygen shows that the talcum powder participates in the reaction.
Detailed Description
The invention is further illustrated by the following specific examples:
the tensile strength of the experimental material is detected by a DC-NPC1200 type computer measure and control bursting strength instrument, and a bursting strength sample is prepared according to the national standard GB/T454-2002 ' determination method of paper bursting strength ' of the people's republic of China, and the size of the bursting strength sample is 70mm multiplied by 70 mm. During testing, the front surface of the product sample faces the piston, and the average value is taken after multiple measurements; flame retardant properties of the material was cut into strips of paper 10mm wide and >6cm long. The material level was ignited by the outer flame of an alcohol burner, timing was started for 3 seconds, then the test strip was removed horizontally and the extinction time was recorded.
Example 1
A preparation method of a flame-retardant plant-based wall decoration material mainly adopts the following scheme:
step 1: adding 100 parts by mass of plant fiber into 10% by mass of hydrochloric acid and 4 parts by mass of zinc chloride, controlling the temperature at 60 ℃, treating for 30min, and then spirally extruding and dehydrating the plant fiber; adding water for pulping after completion, wherein the concentration of the plant fiber is 5.2%, pulping and dispersing for 20min, stirring for 2h, and filtering to obtain chlorinated raw material plant fiber;
step 2: then mixing the unsaturated silicon-based plant fiber with 6 parts of 3-trimethylsilyl propylene alcohol and 100 parts of water uniformly, controlling the temperature at 60 ℃, and stirring for 3 hours to obtain unsaturated silicon-based plant fiber;
and step 3: then adding 10 parts of magnesium hydroxide, 9.4 parts of diallyl dimethyl ammonium chloride and 0.1 part of potassium persulfate, uniformly stirring, and then reacting for 3 hours at 80 ℃; drying, grinding into powder of 50 meshes,
and 4, step 4: then adding 5 parts of talcum powder, 0.5 part of lubricant, 1 part of wet strength agent and 1.2 parts of retention aid, then carrying out disc grinding for 10min, grouting after finishing, injecting the slurry into paper pulp molding production equipment, carrying out cold pressing after suction filtration, wherein the cold pressing pressure is 30kN and the time is 4min, and then carrying out hot pressing, wherein the hot pressing temperature is 150 ℃, the hot pressing time is 90s, and the hot pressing pressure is 50 kN; and after finishing, trimming to obtain the flame-retardant plant-based wall decorative material.
The raw material plant fiber is bamboo pulp fiber.
The retention aid is poly diallyl dimethyl ammonium chloride.
The wet strength agent is polyamide polyepichlorohydrin resin.
The lubricant is calcium stearate.
The tensile index of the product sample prepared in the experiment is 35.4Nm/g, and the extinguishing time is 7.4 s.
Example 2
A preparation method of a flame-retardant plant-based wall decoration material mainly adopts the following scheme:
step 1: adding 120 parts by mass of plant fiber into 12% by mass of hydrochloric acid and 5 parts by mass of zinc chloride, controlling the temperature at 65 ℃ for 60min, and performing spiral extrusion dehydration on the plant fiber after treatment; adding water for pulping after the completion, wherein the concentration of the plant fiber is 6.8%, pulping and dispersing for 25min, stirring for 4h, and filtering to obtain chlorinated raw material plant fiber;
step 2: then, the unsaturated silicon-based plant fiber is uniformly mixed with 9 parts of 3-trimethylsilyl propylene alcohol and 150 parts of water, the temperature is controlled to be 69 ℃, and the mixture is stirred for 5 hours to obtain unsaturated silicon-based plant fiber;
and step 3: then adding 12 parts of magnesium hydroxide, 11 parts of diallyl dimethyl ammonium chloride and 0.3 part of potassium persulfate, uniformly stirring, and then reacting for 3.5h at 88 ℃; drying, grinding into 60 mesh powder,
and 4, step 4: then adding 6 parts of talcum powder, 2 parts of lubricant, 3 parts of wet strength agent and 2.5 parts of retention aid, then carrying out disc grinding for 15min, carrying out grouting after the disc grinding, injecting the slurry into paper pulp molding production equipment, carrying out cold pressing after suction filtration, wherein the cold pressing pressure is 40kN and the time is 6min, and then carrying out hot pressing, wherein the hot pressing temperature is 180 ℃, the hot pressing time is 110s and the hot pressing pressure is 70 kN; and after finishing, trimming to obtain the flame-retardant plant-based wall decorative material.
The raw material plant fiber is bagasse fiber.
The retention aid is polyethyleneimine.
The wet strength agent is dialdehyde starch.
The lubricant is zinc stearate.
The tensile index of the product sample prepared in the experiment is 36.1Nm/g, and the extinguishing time is 7.1 s.
Example 3
A preparation method of a flame-retardant plant-based wall decoration material mainly adopts the following scheme:
step 1: adding 150 parts by mass of plant fiber into 15% by mass of hydrochloric acid and 8 parts by mass of zinc chloride, controlling the temperature at 70 ℃, treating for 90min, and then carrying out spiral extrusion dehydration on the plant fiber; adding water for pulping after the completion, wherein the concentration of the plant fiber is 8.7%, pulping and dispersing for 40min, stirring for 5h, and filtering to obtain chlorinated raw material plant fiber;
step 2: then mixing the unsaturated silicon-based plant fiber with 13 parts of 3-trimethylsilyl propylene alcohol and 200 parts of water uniformly, controlling the temperature to be 75 ℃, and stirring for 7 hours to obtain unsaturated silicon-based plant fiber;
and step 3: then adding 15 parts of magnesium hydroxide, 15.8 parts of diallyl dimethyl ammonium chloride and 0.5 part of potassium persulfate, uniformly stirring, and then reacting for 5 hours at 95 ℃; drying, grinding into powder of 70 meshes,
and 4, step 4: then 10 parts of talcum powder, 3 parts of lubricant, 5 parts of wet strength agent and 4.8 parts of retention aid are added, disc grinding is carried out for 20min, grouting is carried out after the disc grinding is finished, slurry is injected into paper pulp molding production equipment, cold pressing is carried out after suction filtration, the cold pressing pressure is 50kN and the time is 8min, and then hot pressing is carried out, the hot pressing temperature is 200 ℃, the hot pressing time is 150s, and the hot pressing pressure is 80 kN; and after finishing, trimming to obtain the flame-retardant plant-based wall decorative material.
The raw material plant fiber is reed fiber.
The retention aid is cationic polyacrylamide.
The wet strength agent is dialdehyde starch.
The lubricant is zinc stearate.
The tensile index of the product sample prepared in the experiment is 36.7Nm/g, and the extinguishing time is 6.4 s.
Comparative example 1
A preparation method of a flame-retardant plant-based wall decoration material mainly adopts the following scheme:
adding 100 parts by mass of plant fiber into 10% by mass of hydrochloric acid and 4 parts by mass of zinc chloride, controlling the temperature at 60 ℃, treating for 30min, and then spirally extruding and dehydrating the plant fiber; adding water for pulping after completion, wherein the concentration of the plant fiber is 5.2%, pulping and dispersing for 20min, stirring for 2h, and filtering to obtain chlorinated raw material plant fiber;
then adding 5 parts of talcum powder, 0.5 part of lubricant, 1 part of wet strength agent and 1.2 parts of retention aid, then carrying out disc grinding for 10min, grouting after finishing, injecting the slurry into paper pulp molding production equipment, carrying out cold pressing after suction filtration, wherein the cold pressing pressure is 30kN and the time is 4min, and then carrying out hot pressing, wherein the hot pressing temperature is 150 ℃, the hot pressing time is 90s, and the hot pressing pressure is 50 kN; and after finishing, trimming to obtain the flame-retardant plant-based wall decorative material.
The raw material plant fiber is bamboo pulp fiber.
The retention aid is poly diallyl dimethyl ammonium chloride.
The wet strength agent is polyamide polyepichlorohydrin resin.
The lubricant is calcium stearate.
The tensile index of the product sample prepared in the experiment is 33.7Nm/g, and the extinguishing time is 25.1 s.
Comparative example 2
A preparation method of a flame-retardant plant-based wall decoration material mainly adopts the following scheme:
step 1: adding 100 parts by mass of plant fiber into 10% by mass of hydrochloric acid and 4 parts by mass of zinc chloride, controlling the temperature at 60 ℃, treating for 30min, and then spirally extruding and dehydrating the plant fiber; adding water for pulping after completion, wherein the concentration of the plant fiber is 5.2%, pulping and dispersing for 20min, stirring for 2h, and filtering to obtain chlorinated raw material plant fiber;
step 2: then mixing the unsaturated silicon-based plant fiber with 6 parts of 3-trimethylsilyl propylene alcohol and 100 parts of water uniformly, controlling the temperature at 60 ℃, and stirring for 3 hours to obtain unsaturated silicon-based plant fiber;
and step 3: then adding 5 parts of talcum powder, 0.5 part of lubricant, 1 part of wet strength agent and 1.2 parts of retention aid, then carrying out disc grinding for 10min, grouting after finishing, injecting the slurry into paper pulp molding production equipment, carrying out cold pressing after suction filtration, wherein the cold pressing pressure is 30kN and the time is 4min, and then carrying out hot pressing, wherein the hot pressing temperature is 150 ℃, the hot pressing time is 90s, and the hot pressing pressure is 50 kN; and after finishing, trimming to obtain the flame-retardant plant-based wall decorative material.
The raw material plant fiber is bamboo pulp fiber.
The retention aid is poly diallyl dimethyl ammonium chloride.
The lubricant is calcium stearate.
The tensile index of the product sample prepared in the experiment is 33.2Nm/g, and the extinguishing time is 27.5 s.
Comparative example 3
A preparation method of a flame-retardant plant-based wall decoration material mainly adopts the following scheme:
according to the mass parts, 100 parts of plant fiber are added with 5 parts of talcum powder, 0.5 part of lubricant, 1 part of wet strength agent and 1.2 parts of retention aid, disc grinding is carried out for 10min, after finishing disc grinding, grouting is carried out, slurry is injected into paper pulp molding production equipment, cold pressing is carried out after suction filtration, the cold pressing pressure is 30kN and the time is 4min, and then hot pressing is carried out, the hot pressing temperature is 150 ℃, the hot pressing time is 90s, and the hot pressing pressure is 50 kN; and after finishing, trimming to obtain the flame-retardant plant-based wall decorative material.
The plant fiber is bamboo pulp fiber.
The retention aid is poly diallyl dimethyl ammonium chloride.
The wet strength agent is polyamide polyepichlorohydrin resin.
The lubricant is calcium stearate.
The tensile index of the product sample prepared by the experiment is 21.4Nm/g, the extinguishing time is 95.8s, and the material is burnt out.
Claims (5)
1. A preparation method of a flame-retardant plant-based wall decoration material mainly adopts the following scheme:
step 1: adding 100-150 parts by mass of plant fiber into 10-15% by mass of hydrochloric acid and 4-8 parts by mass of zinc chloride, controlling the temperature to be 60-70 ℃, treating for 30-90min, and performing spiral extrusion dehydration on the plant fiber after treatment; adding water for pulping after completion, wherein the concentration of the plant fiber is 5.2-8.7%, pulping and dispersing for 20-40min, stirring for 2-5h, and filtering to obtain chlorinated raw material plant fiber;
step 2: then evenly mixing the unsaturated silicon-based plant fiber with 6-13 parts of 3-trimethylsilyl propylene alcohol and 100-200 parts of water, controlling the temperature to be 60-75 ℃, and stirring for 3-7h to obtain unsaturated silicon-based plant fiber;
and step 3: then adding 10-15 parts of magnesium hydroxide, 9.4-15.8 parts of diallyl dimethyl ammonium chloride and 0.1-0.5 part of potassium persulfate, uniformly stirring, and then reacting at 80-95 ℃ for 3-5 h; drying, grinding into powder of 50-70 meshes,
and 4, step 4: then adding 5-10 parts of talcum powder, 0.5-3 parts of lubricant, 1-5 parts of wet strength agent and 1.2-4.8 parts of retention aid, then carrying out disc grinding for 10-20min, then carrying out grouting, injecting the slurry into paper pulp molding production equipment, carrying out cold pressing after suction filtration, wherein the cold pressing pressure is 30-50kN, the time is 4-8min, and then carrying out hot pressing, wherein the hot pressing temperature is 150-; and after finishing, trimming to obtain the flame-retardant plant-based wall decorative material.
2. The method for preparing a fire retardant plant-based wall decoration material according to claim 1, wherein the raw material plant fiber is bamboo pulp fiber, bagasse fiber, or reed fiber.
3. The method for preparing a fire retardant plant-based wall decoration material according to claim 1, wherein the retention aid is poly diallyldimethylammonium chloride or polyethyleneimine or cationic polyacrylamide.
4. The method for preparing a fire retardant plant-based wall decoration material according to claim 1, wherein the wet strength agent is polyamide-polyepichlorohydrin resin or dialdehyde starch.
5. The method for preparing a fire retardant plant based wall decoration material according to claim 1, wherein the lubricant is calcium stearate or zinc stearate.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113149563A (en) * | 2021-04-29 | 2021-07-23 | 长沙市神宇建材有限公司 | Silicon-based nano wall renovating waterproof material |
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| CN109881528A (en) * | 2019-03-15 | 2019-06-14 | 杭州华旺新材料科技股份有限公司 | A kind of flame-retardant decorative body paper and preparation method thereof using fire-retardant plant fiber preparation |
| CN110318286A (en) * | 2019-07-02 | 2019-10-11 | 陕西科技大学 | A kind of preparation method of Halogen sound-absorbing and flame-retardant paper |
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| CN102031004A (en) * | 2010-10-29 | 2011-04-27 | 华南理工大学 | Fire resistant fiber molding environmental-friendly decorative material for wall and preparation method thereof |
| CN103275114A (en) * | 2013-04-27 | 2013-09-04 | 盐城工学院 | Preparation method of long-chain unsaturated silane coupling agent, and wood-plastic composite material production technology |
| CN107603256A (en) * | 2017-09-25 | 2018-01-19 | 安徽华祺汽车装饰有限公司 | A kind of vegetable fiber environmental protection material with fire-retardant heat insulation performance |
| CN109881528A (en) * | 2019-03-15 | 2019-06-14 | 杭州华旺新材料科技股份有限公司 | A kind of flame-retardant decorative body paper and preparation method thereof using fire-retardant plant fiber preparation |
| CN110318286A (en) * | 2019-07-02 | 2019-10-11 | 陕西科技大学 | A kind of preparation method of Halogen sound-absorbing and flame-retardant paper |
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| CN113149563A (en) * | 2021-04-29 | 2021-07-23 | 长沙市神宇建材有限公司 | Silicon-based nano wall renovating waterproof material |
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