CN102582132A - Flame-retardant vegetable fiber paper honeycomb core and preparation method thereof - Google Patents
Flame-retardant vegetable fiber paper honeycomb core and preparation method thereof Download PDFInfo
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Abstract
The invention belongs to the technical field of composite material preparation and relates to a flame-retardant vegetable fiber paper honeycomb core and a preparation method thereof. The preparation method is used for preparing a composite material with a sandwich structure and comprises the following steps of: firstly preparing a blank paper honeycomb core by using vegetable fiber paper or hybrid vegetable fiber paper according to the traditional technology, and then preparing the flame-retardant vegetable fiber or hybrid vegetable fiber paper honeycomb core with high performance by adopting a 'flame retarding and gum dipping' or 'gum dipping and flame retarding' two-step method technology or a 'sizing, flame retarding and gum dipping' three-step method technology. Compared with the traditional kraft paper honeycomb core and the Nomex honeycomb core, the flame-retardant vegetable fiber paper honeycomb core has the advantages that the cost performance of the honeycomb core is increased, and the application of the honeycomb sandwich structure in the transportation field such as airplanes, rail transits and automobiles is widened, and the application scale of biomass vegetable fibers is expanded, and the low carbon environmentally-friendly society is developed.
Description
Technical field
The invention belongs to the Composite Preparation technical field, relate to a kind of fire-retardant plant fiber paper honeycomb core and preparation method thereof, be used to prepare the sandwich composite.
Background technology
The brown paper honeycomb core is prepared from brown paper, does not handle with impregnation through fire-retardant, and honeycomb core compression strength is not high, and resistance to water and anti-flammability are relatively poor, but because its high superiority of effectiveness is mainly used in the packaging field not high to mechanical property requirements.Aluminium honeycomb core is to be prepared from thin aluminium foil, and the relative Nomex paper of the prices of raw and semifnished materials is low, and preparation technology is simple relatively, so the honeycomb core price is lower, but because metallic aluminium density is higher, is mainly used in the insensitive building field of weight.
The aramid fiber paper honeycomb core has a series of premium properties such as lightweight, high-strength, Gao Mo, fire-retardant, high temperature resistant, low-dielectric loss; Become the first-selected core of aircraft composite honeycomb sandwich structures; Be mainly used in parts such as airframe time load and cabin inner structure, in reduction aircaft configuration quality, improve and play more important effect aspect the processing characteristics of related components.Aramid fiber paper is mainly formed by a position Nomex fiber and contraposition Kelver fiber production, mainly has the cost of raw material and preparation cost problem of higher.Be difficult to large-scale application in track traffic, the auto industry comparatively responsive, and communications and transportation industry there is strong demand to low-cost, high performance honeycomb core exactly to cost.
At present; Low-carbon (LC) and environmental protection have become the trend of current international social development, and strict policy and rules have all been put into effect in main developed country such as Europe, the U.S., Japan and area, encourage and help " environmental friendliness " material and industrial expansion; Reduce pollution, protection environment; The energy crisis and the resource constraint of approaching day by day for reply simultaneously, and the string of living beings derives from nature, renewable; Degradable, making full use of string just has very important meaning to protection environment and the dependence that reduces petroleum resources.
Summary of the invention
The objective of the invention is: propose fire-retardant plant fiber paper honeycomb core of a kind of environmental friendliness, high performance-price ratio and preparation method thereof.
Technical scheme of the present invention is: earlier with plant fiber paper or miscellaneous vegetable fibre paper, prepare the plain pape honeycomb core traditionally, wherein, the surface density of plant fiber paper is 30～200g/m
2, the surface density of miscellaneous vegetable fibre paper is 30～200g/m
2The mass content of string paper pulp is more than or equal to 25% of the raw material gross weight in the miscellaneous vegetable fibre paper; Adopt " fire-retardant-impregnation " or " impregnation-fire-retardant " two-step process or " typing-fire-retardant-impregnation " three-steps process then; Prepare fire-retardant plant fiber or miscellaneous vegetable fibre paper honeycomb core, wherein
" fire-retardant-impregnation " method is to carry out flame treatment earlier to carry out the impregnation processing again, and flame treatment is that paper honeycomb core is immersed in the aqueous solution of fire retardant, soaks 5～30 minutes; Then it is taken out from solution, clap the aqueous solution on dried honeycomb core surface, in convection oven, dry honeycomb core again; Bake out temperature is 40～100 ℃, and the time of staying is 0.5～10 hour, and it is that paper honeycomb core is immersed in the solution of flame retardant thermoset resins that impregnation is handled; Soaked 5～30 minutes, and then it was taken out from solution, clap the solution on dried honeycomb core surface; In convection oven, solidify honeycomb core again, curing process is for being warmed up to 80 ± 10 ℃, and the time of staying is 0.5～2 hour; And then being warmed up to 120～160 ℃, the time of staying is 0.5～6 hour;
" impregnation-fire-retardant " method is inverted with the processing sequence of " fire-retardant-impregnation " method, promptly carries out the impregnation processing earlier and carries out flame treatment again;
" typing-fire-retardant-impregnation " method is the processing of at first finalizing the design, and carries out flame treatment then, carries out impregnation again and handles; It is that paper honeycomb core is immersed in the solution of flame retardant thermoset resins that typing is handled, and soaks 5～30 minutes, then it is taken out from solution; Clap the solution on dried honeycomb core surface, in convection oven, solidify honeycomb core again, curing process is for being warmed up to 80 ± 10 ℃; The time of staying is 0.5～2 hour; And then being warmed up to 120～160 ℃, the time of staying is 0.5～6 hour, and then carries out flame treatment and impregnation processing according to " fire-retardant-impregnation " method.
Described plant fiber paper is prepared by one of following material: wood pulp, jute pulp, straw pulp, sugarcane slurry or bamboo pulp, the surface density of plant fiber paper is 40～100g/m
2
Described miscellaneous vegetable fibre paper is mixed with said string paper pulp by one of following material and forms: metallic fiber, mineral fibres or glass fibre; Wherein the mass content of string paper pulp is more than or equal to 25% of the raw material gross weight, and the surface density of miscellaneous vegetable fibre paper is 30～200g/m
2
Described miscellaneous vegetable fibre paper is mixed with by macromolecular fibre or slurry and described string paper pulp and forms, and wherein the mass content of string paper pulp is more than or equal to 25% of the raw material gross weight, and the surface density of miscellaneous vegetable fibre paper is 30～200g/m
2
Described fire retardant preferred nitrogen phosphorus flame retardant, the quality percentage composition of the fire retardant aqueous solution is 8%～30%.
Described flame retardant thermoset resins is intermediate temperature setting phenolic resins or intermediate temperature setting epoxy resin, and solvent is industrial alcohol, industrial acetone or the mixture of the two, and the quality percentage composition of resin solution is 10%～70%.
Below described macromolecular fibre or the slurry one or more: polybenzimidazoles, polybenzoxazoles, polyimides, aromatic polyamide, polyether-ketone, polysulfones, polyether sulfone, polyphenylene oxide, polyester, polyolefin, PLA, polyvinyl alcohol, polycaprolactone or PBGS.
Characteristics of the present invention are:
(1) low to traditional brown paper honeycomb core mechanical property; The characteristics of poor water resistance; Propose a kind of whole plant fibers honeycomb core and technology of preparing thereof, blank string paper honeycomb core is handled with impregnation through fire-retardant, prepare high performance whole plant fibrous paper honeycomb core.
(2) to traditional Nomex paper honeycomb core material cost and the high shortcoming of preparation cost; A kind of miscellaneous vegetable fibre honeycomb core and preparation method thereof is proposed; Blank miscellaneous vegetable fibre paper honeycomb core is handled with impregnation through fire-retardant, prepared the miscellaneous vegetable fibre paper honeycomb core of high performance-price ratio.
(3) application mode and the application of expansion green plants fiber prepare eco-friendly string paper honeycomb core, high-performance honeycomb sandwich construction composite.
Prepare a kind of high-performance whole plant fibers honeycomb core or miscellaneous vegetable fibre honeycomb core; Than traditional brown paper honeycomb core and Nomex honeycomb core; Improve the cost performance of honeycomb core; Widen the application of honeycomb sandwich construction, expand the application scale of living beings string, development low-carbon (LC) and environmental protection society at traffic and transport fields such as aircraft, track traffic and automobiles.
The specific embodiment
Through concrete embodiment the present invention is explained further details below:
With plant fiber paper or miscellaneous vegetable fibre paper, prepare the plain pape honeycomb core traditionally earlier, wherein, the surface density of plant fiber paper is 30～200g/m
2, the surface density of miscellaneous vegetable fibre paper is 30～200g/m
2The mass content of string paper pulp is more than or equal to 25% of the raw material gross weight in the miscellaneous vegetable fibre paper; Adopt " fire-retardant-impregnation " or " impregnation-fire-retardant " two-step process or " typing-fire-retardant-impregnation " three-steps process then; Prepare fire-retardant plant fiber or miscellaneous vegetable fibre paper honeycomb core, wherein
" fire-retardant-impregnation " method is to carry out flame treatment earlier to carry out the impregnation processing again, and flame treatment is that paper honeycomb core is immersed in the aqueous solution of fire retardant, soaks 5～30 minutes; Then it is taken out from solution, clap the aqueous solution on dried honeycomb core surface, in convection oven, dry honeycomb core again; Bake out temperature is 40～100 ℃, and the time of staying is 0.5～10 hour, and it is that paper honeycomb core is immersed in the solution of flame retardant thermoset resins that impregnation is handled; Soaked 5～30 minutes, and then it was taken out from solution, clap the solution on dried honeycomb core surface; In convection oven, solidify honeycomb core again, curing process is for being warmed up to 80 ± 10 ℃, and the time of staying is 0.5～2 hour; And then being warmed up to 120～160 ℃, the time of staying is 0.5～6 hour;
" impregnation-fire-retardant " method is inverted with the processing sequence of " fire-retardant-impregnation " method, promptly carries out the impregnation processing earlier and carries out flame treatment again;
" typing-fire-retardant-impregnation " method is the processing of at first finalizing the design, and carries out flame treatment then, carries out impregnation again and handles; It is that paper honeycomb core is immersed in the solution of flame retardant thermoset resins that typing is handled, and soaks 5～30 minutes, then it is taken out from solution; Clap the solution on dried honeycomb core surface, in convection oven, solidify honeycomb core again, curing process is for being warmed up to 80 ± 10 ℃; The time of staying is 0.5～2 hour; And then being warmed up to 120～160 ℃, the time of staying is 0.5～6 hour, and then carries out flame treatment and impregnation processing according to " fire-retardant-impregnation " method.
Fire retardant preferred nitrogen phosphorus flame retardant is general fire retardant (trade Co., Ltd is raised in sky, Fuyang), TPU-1 (Lianyun Harbour side and chemical industry Co., Ltd), Newray911 (Changzhou knob thunder fire retardant factory) like ZR-PZM type expanding fire retardant (Qingzhou City chemical plant, Shandong Province), TZ-01 nitrogen phosphorus.
Embodiment 1:
Selecting commercial surface density is 40g/m
2Whole plant fiber wood pulp paper, preparing the hole lattice length of side traditionally is the blank string honeycomb core of 1.83mm.
Prepare high-performance refractory string honeycomb core according to " fire-retardant-impregnation " two-step process, its preparation process is following:
(1) flame treatment is that blank string paper honeycomb core is immersed in the aqueous solution of fire retardant; Soaked 5 minutes, and then it was taken out from solution, clap the aqueous solution on dried honeycomb core surface; In convection oven, dry honeycomb core again; Bake out temperature is 40 ℃, and the time of staying is 10 hours, obtains the fire-retardant plant fiber honeycomb core.Fire retardant is ZR-PZM type expanding fire retardant (Qingzhou City chemical plant, Shandong Province), and the quality percentage composition of the fire retardant aqueous solution is 8%.
(2) the impregnation processing is that the fire-retardant plant fiber honeycomb core that obtains in the above-mentioned steps 1 is immersed in the solution of flame retardant thermoset resins, soaks 30 minutes, then it is taken out from solution; Clap the solution on dried honeycomb core surface; In convection oven, solidify honeycomb core again, curing process is for being warmed up to 90 ℃, and the time of staying is 0.5 hour; And then being warmed up to 120 ℃, the time of staying is 6 hours.Flame retardant thermoset resins is commercial intermediate temperature setting flame-retardant phenolic resin, and solvent is an industrial alcohol, and the quality percentage composition of resin solution is 50%.
(3) do twice impregnation experiment according to step 2 again, obtain volume density and be about 41Kg/m
3High-performance refractory whole plant fibrous paper honeycomb core, the compression strength of honeycomb core is about 1.23MPa.
Embodiment 2:
Selecting commercial surface density is 100g/m
2Whole plant fiber jute paper prepares the blank string honeycomb core of corrugation shape traditionally.
Prepare high-performance refractory string honeycomb core according to " impregnation-fire-retardant " two-step process, its preparation process is following:
(1) the impregnation processing is that blank string paper honeycomb core is immersed in the solution of flame retardant thermoset resins, soaks 5 minutes, then it is taken out from solution; Clap the solution on dried honeycomb core surface; In convection oven, solidify honeycomb core again, curing process is for being warmed up to 70 ℃, and the time of staying is 2 hours; And then being warmed up to 160 ℃, the time of staying is 0.5 hour.Flame retardant thermoset resins is commercial intermediate temperature setting flame-retardant phenolic resin, and solvent is an industrial acetone, and the quality percentage composition of resin solution is 70%.
(2) flame treatment is that the string honeycomb core after solidifying in the above-mentioned steps 1 is immersed in the aqueous solution of fire retardant; Soaked 30 minutes, and then it was taken out from solution, clap the aqueous solution on dried honeycomb core surface; In convection oven, dry honeycomb core again; Bake out temperature is 100 ℃, and the time of staying is 0.5 hour, obtains high-performance refractory string honeycomb core.Fire-retardant N ewray 911 (Changzhou knob thunder fire retardant factory), the quality percentage composition of the fire retardant aqueous solution is 30%.
(3) finally obtain volume density and be about 68Kg/m
3High-performance refractory whole plant fibrous paper honeycomb core, the compression strength of honeycomb core is about 2.59MPa.
Embodiment 3:
Prepare miscellaneous vegetable fibre paper with reference to paper technology, raw material is that mass content is that 50% wood pulp and mass content are 50% acid fiber by polylactic, and the surface density of miscellaneous vegetable fibre paper is 50g/m
2, preparing the hole lattice length of side more traditionally is the blank string honeycomb core of 2.75mm.
Prepare high-performance refractory string honeycomb core according to " typing-fire-retardant-impregnation " three-steps process, its preparation process is following:
(1) the typing processing is that blank string paper honeycomb core is immersed in the solution of flame retardant thermoset resins, soaks 20 minutes, then it is taken out from solution; Clap the solution on dried honeycomb core surface; In convection oven, solidify honeycomb core again, curing process is for being warmed up to 90 ℃, and the time of staying is 2 hours; And then being warmed up to 140 ℃, the time of staying is 3 hours.Flame retardant thermoset resins is commercial intermediate temperature setting flame-retardant phenolic resin, and solvent is the mixed solvent of industrial alcohol and acetone, and mass ratio is 1: 1, and the quality percentage composition of resin solution is 10%.
(2) flame treatment is that the string paper honeycomb core after the typing is immersed in the aqueous solution of fire retardant; Soaked 20 minutes, and then it was taken out from solution, clap the aqueous solution on dried honeycomb core surface; In convection oven, dry honeycomb core again; Bake out temperature is 80 ℃, and the time of staying is 6 hours, obtains the fire-retardant plant fiber honeycomb core.Fire retardant is TPU-1 (Lianyun Harbour side and chemical industry Co., Ltd), and the quality percentage composition of the fire retardant aqueous solution is 30%.
(3) the impregnation processing is that the fire-retardant plant fiber honeycomb core that obtains in the above-mentioned steps 2 is immersed in the solution of flame retardant thermoset resins, soaks 30 minutes, then it is taken out from solution; Clap the solution on dried honeycomb core surface; In convection oven, solidify honeycomb core again, curing process is for being warmed up to 80 ℃, and the time of staying is 2 hours; And then being warmed up to 140 ℃, the time of staying is 3 hours.Flame retardant thermoset resins is commercial intermediate temperature setting flame-retardant phenolic resin, and solvent is the mixed solvent of industrial alcohol and acetone, and mass ratio is 1: 1, and the quality percentage composition of resin solution is 50%.
(4) do twice impregnation experiment according to step 3 again, obtain volume density and be about 64Kg/m
3High-performance refractory whole plant fibrous paper honeycomb core, the compression strength of honeycomb core is about 2.15MPa.
Embodiment 4:
Prepare miscellaneous vegetable fibre paper with reference to paper technology, raw material is that mass content is that 50% Nomex aramid fiber paper pulp, mass content are 25% polyester fiber, and mass content is 25% wood pulp, and the surface density of miscellaneous vegetable fibre paper is 40g/m
2, preparing the hole lattice length of side more traditionally is the blank string honeycomb core of 1.83mm.
Prepare high-performance refractory string honeycomb core according to " impregnation-fire-retardant " two-step process, its preparation process is following:
(1) the impregnation processing is that blank string paper honeycomb core is immersed in the solution of flame retardant thermoset resins, soaks 20 minutes, then it is taken out from solution; Clap the solution on dried honeycomb core surface; In convection oven, solidify honeycomb core again, curing process is for being warmed up to 70 ℃, and the time of staying is 2 hours; And then being warmed up to 130 ℃, the time of staying is 0.5 hour.Flame retardant thermoset resins is commercial intermediate temperature setting fire retarding epoxide resin, and solvent is an industrial acetone, and the quality percentage composition of resin solution is 50%.
(2) flame treatment is that the string honeycomb core after solidifying in the above-mentioned steps 1 is immersed in the aqueous solution of fire retardant; Soaked 30 minutes, and then it was taken out from solution, clap the aqueous solution on dried honeycomb core surface; In convection oven, dry honeycomb core again; Bake out temperature is 90 ℃, and the time of staying is 0.5 hour, obtains high-performance refractory string honeycomb core.Fire-retardant N ewray 911 (Changzhou knob thunder fire retardant factory), the quality percentage composition of the fire retardant aqueous solution is 30%.
(3) do three impregnation experiments according to step 1 again, obtain volume density and be about 48Kg/m
3High-performance refractory string paper honeycomb core, the compression strength of honeycomb core is about 1.59MPa.
Embodiment 5:
Prepare miscellaneous vegetable fibre paper with reference to paper technology, raw material is that mass content is that 50% wood pulp and mass content are 50% polyester fiber, and the surface density of miscellaneous vegetable fibre paper is 60g/m
2, preparing the hole lattice length of side more traditionally is the blank string honeycomb core of 1.83mm.
Prepare high-performance refractory string honeycomb core according to " typing-fire-retardant-impregnation " three-steps process, its preparation process is following:
(1) the typing processing is that blank string paper honeycomb core is immersed in the solution of flame retardant thermoset resins, soaks 20 minutes, then it is taken out from solution; Clap the solution on dried honeycomb core surface; In convection oven, solidify honeycomb core again, curing process is for being warmed up to 80 ℃, and the time of staying is 2 hours; And then being warmed up to 120 ℃, the time of staying is 3 hours.Flame retardant thermoset resins is commercial intermediate temperature setting flame-retardant phenolic resin, and solvent is the mixed solvent of industrial alcohol and acetone, and mass ratio is 1: 1, and the quality percentage composition of resin solution is 25%.
(2) flame treatment is that the string paper honeycomb core after the typing is immersed in the aqueous solution of fire retardant; Soaked 20 minutes, and then it was taken out from solution, clap the aqueous solution on dried honeycomb core surface; In convection oven, dry honeycomb core again; Bake out temperature is 70 ℃, and the time of staying is 5 hours, obtains the fire-retardant plant fiber honeycomb core.Fire retardant is that TZ-01 nitrogen phosphorus is general fire retardant (trade Co., Ltd is raised in sky, Fuyang), and the quality percentage composition of the fire retardant aqueous solution is 30%.
(3) the impregnation processing is that the fire-retardant plant fiber honeycomb core that obtains in the above-mentioned steps 2 is immersed in the solution of flame retardant thermoset resins, soaks 30 minutes, then it is taken out from solution; Clap the solution on dried honeycomb core surface; In convection oven, solidify honeycomb core again, curing process is for being warmed up to 80 ℃, and the time of staying is 2 hours; And then being warmed up to 140 ℃, the time of staying is 3 hours.Flame retardant thermoset resins is commercial intermediate temperature setting flame-retardant phenolic resin, and solvent is the mixed solvent of industrial alcohol and acetone, and mass ratio is 1: 1, and the quality percentage composition of resin solution is 50%.
(4) obtain volume density and be about 32Kg/m
3High-performance refractory string paper honeycomb core, the compression strength of honeycomb core is about 0.6MPa.
Embodiment 6:
Selecting commercial surface density is 200g/m
2Whole plant fiber bamboo paper, preparing the hole lattice length of side traditionally is the blank string honeycomb core of 2.75mm.
Prepare the fire-retardant plant fiber honeycomb core according to " typing-fire-retardant-impregnation " three-steps process, its preparation process is following:
(1) the typing processing is that blank string paper honeycomb core is immersed in the solution of flame retardant thermoset resins, soaks 20 minutes, then it is taken out from solution; Clap the solution on dried honeycomb core surface; In convection oven, solidify honeycomb core again, curing process is for being warmed up to 80 ℃, and the time of staying is 2 hours; And then being warmed up to 140 ℃, the time of staying is 3 hours.Flame retardant thermoset resins is commercial intermediate temperature setting flame-retardant phenolic resin, and solvent is an industrial alcohol, and the quality percentage composition of resin solution is 15%.
(2) flame treatment is that the string honeycomb core after the typing is immersed in the aqueous solution of fire retardant; Soaked 30 minutes, and then it was taken out from solution, clap the aqueous solution on dried honeycomb core surface; In convection oven, dry honeycomb core again; Bake out temperature is 100 ℃, and the time of staying is 0.5 hour, obtains the fire-retardant plant fiber honeycomb core.Fire-retardant N ewray911 (Changzhou knob thunder fire retardant factory), the quality percentage composition of the fire retardant aqueous solution is 30%.
(3) the impregnation processing is that the fire-retardant plant fiber honeycomb core that obtains in the above-mentioned steps 2 is immersed in the solution of flame retardant thermoset resins, soaks 25 minutes, then it is taken out from solution; Clap the solution on dried honeycomb core surface; In convection oven, solidify honeycomb core again, curing process is for being warmed up to 80 ℃, and the time of staying is 2 hours; And then being warmed up to 160 ℃, the time of staying is 0.5 hour.Flame retardant thermoset resins is commercial intermediate temperature setting flame-retardant phenolic resin, and solvent is an industrial alcohol, and the quality percentage composition of resin solution is 70%.
(4) finally obtain volume density and be about 69Kg/m
3High-performance refractory whole plant fibrous paper honeycomb core, the compression strength of honeycomb core is about 2.94MPa.
Claims (7)
1. fire-retardant plant fiber paper honeycomb core and preparation method thereof is characterized in that, preparation process is following: earlier with plant fiber paper or miscellaneous vegetable fibre paper, prepare the plain pape honeycomb core traditionally, wherein, the surface density of plant fiber paper is 30～200g/m
2, the surface density of miscellaneous vegetable fibre paper is 30～200g/m
2The mass content of string paper pulp is more than or equal to 25% of the raw material gross weight in the miscellaneous vegetable fibre paper; Adopt " fire-retardant-impregnation " or " impregnation-fire-retardant " two-step process or " typing-fire-retardant-impregnation " three-steps process then; Prepare fire-retardant plant fiber or miscellaneous vegetable fibre paper honeycomb core, wherein
" fire-retardant-impregnation " method is to carry out flame treatment earlier to carry out the impregnation processing again, and flame treatment is that paper honeycomb core is immersed in the aqueous solution of fire retardant, soaks 5～30 minutes; Then it is taken out from solution, clap the aqueous solution on dried honeycomb core surface, in convection oven, dry honeycomb core again; Bake out temperature is 40～100 ℃, and the time of staying is 0.5～10 hour, and it is that paper honeycomb core is immersed in the solution of flame retardant thermoset resins that impregnation is handled; Soaked 5～30 minutes, and then it was taken out from solution, clap the solution on dried honeycomb core surface; In convection oven, solidify honeycomb core again, curing process is for being warmed up to 80 ± 10 ℃, and the time of staying is 0.5～2 hour; And then being warmed up to 120～160 ℃, the time of staying is 0.5～6 hour;
" impregnation-fire-retardant " method is inverted with the processing sequence of " fire-retardant-impregnation " method, promptly carries out the impregnation processing earlier and carries out flame treatment again;
" typing-fire-retardant-impregnation " method is the processing of at first finalizing the design, and carries out flame treatment then, carries out impregnation again and handles; It is that paper honeycomb core is immersed in the solution of flame retardant thermoset resins that typing is handled, and soaks 5～30 minutes, then it is taken out from solution; Clap the solution on dried honeycomb core surface, in convection oven, solidify honeycomb core again, curing process is for being warmed up to 80 ± 10 ℃; The time of staying is 0.5～2 hour; And then being warmed up to 120～160 ℃, the time of staying is 0.5～6 hour, and then carries out flame treatment and impregnation processing according to " fire-retardant-impregnation " method.
2. a kind of fire-retardant plant fiber paper honeycomb core according to claim 1 and preparation method thereof; It is characterized in that: described plant fiber paper is prepared by one of following material: wood pulp, jute pulp, straw pulp, sugarcane slurry or bamboo pulp, the surface density of plant fiber paper is 40～100g/m
2
3. a kind of fire-retardant plant fiber paper honeycomb core according to claim 1 and preparation method thereof; It is characterized in that: described miscellaneous vegetable fibre paper is mixed with said string paper pulp by one of following material and forms: metallic fiber, mineral fibres or glass fibre; Wherein the mass content of string paper pulp is more than or equal to 25% of the raw material gross weight, and the surface density of miscellaneous vegetable fibre paper is 30～200g/m
2
4. a kind of fire-retardant plant fiber paper honeycomb core according to claim 1 and preparation method thereof; It is characterized in that: described miscellaneous vegetable fibre paper is mixed with by macromolecular fibre or slurry and described string paper pulp and forms; Wherein the mass content of string paper pulp is more than or equal to 25% of the raw material gross weight, and the surface density of miscellaneous vegetable fibre paper is 30～200g/m
2
5. a kind of fire-retardant plant fiber paper honeycomb core according to claim 1 and preparation method thereof is characterized in that: described fire retardant preferred nitrogen phosphorus flame retardant, the quality percentage composition of the fire retardant aqueous solution is 8%～30%.
6. a kind of fire-retardant plant fiber paper honeycomb core according to claim 1 and preparation method thereof; It is characterized in that: described flame retardant thermoset resins is intermediate temperature setting phenolic resins or intermediate temperature setting epoxy resin; Solvent is industrial alcohol, industrial acetone or the mixture of the two, and the quality percentage composition of resin solution is 10%～70%.
7. a kind of fire-retardant plant fiber paper honeycomb core according to claim 4 and preparation method thereof is characterized in that: described macromolecular fibre or slurry comprise following one or more: polybenzimidazoles, polybenzoxazoles, polyimides, aromatic polyamide, polyether-ketone, polysulfones, polyether sulfone, polyphenylene oxide, polyester, polyolefin, PLA, polyvinyl alcohol, polycaprolactone or PBGS.
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| CN106013595A (en) * | 2016-07-05 | 2016-10-12 | 风范绿色建筑（常熟）有限公司 | Low-carbon honeycomb multifunctional wall board |
| CN106012657A (en) * | 2016-05-20 | 2016-10-12 | 苏州倍力特物流设备有限公司 | Fireproof high-strength honeycomb paper core and preparation method thereof |
| CN106351054A (en) * | 2016-08-29 | 2017-01-25 | 苏州市炫之彩包装有限公司 | Energy-saving environment-friendly carton material formulation |
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| CN108312286A (en) * | 2018-01-24 | 2018-07-24 | 鹤山市怡欣纤维制品有限公司 | The production technology of anti-flaming thermal-insulation plate |
| CN111823650A (en) * | 2019-04-15 | 2020-10-27 | 无锡市百雄流体科技有限公司 | Forming process for compounding plant fiber paper into silencing pipe |
| CN115648376A (en) * | 2022-11-16 | 2023-01-31 | 佛山市美盈森绿谷科技有限公司 | Manufacturing method of plant fiber lampshade and plant fiber lampshade |
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| CN103057170B (en) * | 2013-01-04 | 2015-02-11 | 宁波开诚工艺品有限公司 | Production process of straw mat Japanese paper |
| CN103194936A (en) * | 2013-03-28 | 2013-07-10 | 陕西科技大学 | Method for preparing black sound-absorption flame retardant paper by using gum dipping method |
| WO2014190803A1 (en) * | 2013-05-31 | 2014-12-04 | 苏州芳磊蜂窝复合材料有限公司 | Method for preparing polyimide paper honeycomb core |
| CN103806342A (en) * | 2014-02-14 | 2014-05-21 | 吉林高琦聚酰亚胺材料有限公司 | Polyimide paper honeycomb core and preparation method thereof |
| CN106012657A (en) * | 2016-05-20 | 2016-10-12 | 苏州倍力特物流设备有限公司 | Fireproof high-strength honeycomb paper core and preparation method thereof |
| CN106013595A (en) * | 2016-07-05 | 2016-10-12 | 风范绿色建筑（常熟）有限公司 | Low-carbon honeycomb multifunctional wall board |
| CN106351054A (en) * | 2016-08-29 | 2017-01-25 | 苏州市炫之彩包装有限公司 | Energy-saving environment-friendly carton material formulation |
| CN107053768A (en) * | 2016-12-15 | 2017-08-18 | 中航复合材料有限责任公司 | A kind of preparation method of water soluble phenol resin comb core |
| CN108312286A (en) * | 2018-01-24 | 2018-07-24 | 鹤山市怡欣纤维制品有限公司 | The production technology of anti-flaming thermal-insulation plate |
| CN111823650A (en) * | 2019-04-15 | 2020-10-27 | 无锡市百雄流体科技有限公司 | Forming process for compounding plant fiber paper into silencing pipe |
| CN115648376A (en) * | 2022-11-16 | 2023-01-31 | 佛山市美盈森绿谷科技有限公司 | Manufacturing method of plant fiber lampshade and plant fiber lampshade |
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