CN109504143A - A kind of polyurethane automobile ceiling and preparation method with air refreshing function - Google Patents
A kind of polyurethane automobile ceiling and preparation method with air refreshing function Download PDFInfo
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- CN109504143A CN109504143A CN201811275935.5A CN201811275935A CN109504143A CN 109504143 A CN109504143 A CN 109504143A CN 201811275935 A CN201811275935 A CN 201811275935A CN 109504143 A CN109504143 A CN 109504143A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/08—Polyurethanes from polyethers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M17/00—Producing multi-layer textile fabrics
- D06M17/04—Producing multi-layer textile fabrics by applying synthetic resins as adhesives
- D06M17/10—Polyurethanes polyurea
Abstract
The invention discloses a kind of polyurethane automobile ceiling and preparation method with air refreshing function.The polyurethane automobile ceiling is made by following steps: a, being successively laid with glass layer, nonwoven layer in artificial leather web surface；B, function monomer, crosslinking agent, silicate crystal filter bulb, dispersing agent, initiator are added in solvent, mixing is sprayed at non-woven fabrics and carries out crosslinking curing, and micro-crosslinking gel layer is made；C, the roller coating urethane raw on micro-crosslinking gel layer, it is hot-forming in a mold, the polyurethane automobile ceiling with air refreshing function is made.The method has the advantages that the present invention has high specific surface area by the micro-crosslinking gel layer formed, adsorption capacity is strong, VOC content can be significantly reduced, the porous cyclic annular silicate crystal filter bulb in interlayer network can produce anion simultaneously, achieve the effect that pure and fresh purification in-vehicle air, and preparation method is simple and convenient, easily operated, is easy to implement industrialized production.
Description
Technical field
The present invention relates to automotive material fields, and in particular to the preparation of polyurethane ceiling has sky more particularly, to one kind
The polyurethane automobile ceiling and preparation method of gas refresh function.
Background technique
With extensive use of the polyurethane foam in industry and daily life.Its various part in manufacture automobile, spy
It is not in the various inside gadgets of automobile, polyurethane semi-rigid foam plastics occupy considerable status.Especially in automobile
Just use the semihard foam material of polyurethane as main component part in the preparation of top.Polyurethane semihard foam is in polyurethane
It is at 130 DEG C or so and compound under the mold of pressurization with glass and glue film and non-woven fabrics under the action of adhesive, form vehicle top
Paulin.
In recent years, being growing more intense with domestic automobile inside gadget industry competition, to the low cost of all kinds of raw material of ceiling
The requirement of change also proposed further requirement, and automotive environment is transformed, and should prevent and remedy pollution source from source, makes a health and relaxes
Fit the still technical innovation that the motor space of environmental protection fundamentally needs.To sum up, domestic market steeps ceiling
The requirement of foam specifically includes that low-density, low smell, the rigid requirements of mouldability and foam itself.With environmental quality system and
VOC standard it is more and more perfect, need to further decrease automobile interior decoration VOC content, reduce aldehyde content, reduce smell.
Number of patent application 201310376070.2 discloses a kind of producer of polyurethane multilayer composite sheet for automotive headliner
Method includes the following steps: that (1) respectively obtains non-woven fabrics with perforating heat meltable glue film and PU perforating heat meltable by three-layer co-extruded blown film
Glue film；(2) non-woven fabrics, non-woven fabrics perforating heat meltable glue film, glass are sequentially arranged from bottom to top on the conveyer belt of composite production line
Then fine cloth or chopped glass fibre, PU perforating heat meltable glue film place hard polyurethane foam plate, then on hard polyurethane foam plate
After being sequentially arranged PU perforating heat meltable glue film, glass-fiber-fabric or chopped glass fibre, PE film from bottom to top, communicated band is transmitted to
The preheating of infrared heating area, it is compound subsequently into roller compaction processes hot pressing, obtain multilayer composite board of polyurethane.
Number of patent application 201710806424.0 discloses a kind of low aldehyde content polyurethane plate and preparation method thereof, by group
A and component B is divided to react, wherein component A is white material, and component B is black material；Component A and component B weight percent be 1:1 ~
1.4, wherein contain 10 ~ 40 parts of polyurea polylol in the polyalcohol in component A based on parts by weight, polyureas polyether polyol
Hydroxyl value is 15 ~ 45mgKOH/g, and viscosity is 800 ~ 1200cp/25 DEG C.
Number of patent application 201611222562.6 discloses a kind of thermoformable polyurethane foam and preparation method thereof, A group
Dividing includes polyether polyol, and catalyst, foaming agent etc., B component is isocyanate component；Component A and B component are pressed into 1:1 ~ 1.7,
It is preferred that thermoformable polyurethane foam of the present invention can be obtained than mixed foaming in the quality of 1:1.55 ~ 1.65, it can be very
The preparation of different automobile calash is adapted to well.
Number of patent application 201020670517.9 discloses a kind of carbon fiber polyurethane composite board structure for automobile roof.It passes
The framework material of system automobile interior decoration top is mainly cardboard and EPS foamed board, and manufacturing process is complicated, and product is easily deformed, together
When with people's environmental consciousness continuous improvement, automobile calash composite board material to high sound-absorbing, lightweight, high intensity, environmental protection and
Recyclable direction is developed.
Although it can be seen that in the prior art polyurethane ceiling material meet to a certain extent low-density, low smell,
The rigid requirements of mouldability and foam itself, but it is slightly undesirable in the VOC removal distributed, do not have asking for air refreshing function
Topic.
Summary of the invention
Effectively to solve above-mentioned technical problem, the invention proposes a kind of polyurethane automobile top with air refreshing function
The effect of fluffy and preparation method can effectively reduce VOC content, and capable of releasing negative ion, reach fresh air.
The specific technical solution of the present invention is as follows:
A kind of preparation method of the polyurethane automobile ceiling with air refreshing function, the polyurethane automobile ceiling are specifically made
Standby step are as follows:
A, artificial leather facing material is paved, is coated with water-based polyurethane adhesive on surface, then be successively laid with glass layer, non-woven fabrics
Layer；
B, function monomer and crosslinking agent are dissolved in solvent, micrometer level porous cyclic silicate salt crystal filter bulb and dispersion is then added
Agent, adjusting pH value to 7 ~ 8 are uniformly mixed and obtain suspension, add initiator and stir evenly and be sprayed at nonwoven layer surface,
Carry out crosslinking curing, drying, be made can fresh air micro-crosslinking gel layer；
C, one layer of A material of uniform roller coating on micro-crosslinking gel layer, then B material is sprayed, it is then placed in mold, at 100 ~ 110 DEG C
It is hot-forming, the polyurethane automobile ceiling with air refreshing function is made；Wherein, the A material is 3 ~ 5 weight of active catalyst
Measure part, 86 ~ 93 parts by weight of high crystalline polyether polyol, 1 ~ 2 parts by weight of glycerol, 1 ~ 2 parts by weight of silicone oil, 1 ~ 3 weight of pore-creating agent
Part, 1 ~ 2 parts by weight of antioxidant；The B material is polyisocyanates.
Preferably, in the step b, function monomer be acrylic acid, methyl acrylate, in methyl methacrylate at least
It is a kind of.
Preferably, in the step b, crosslinking agent is trimethylolpropane, Diethylene Glycol, diglycol, two
At least one of ethylenetriamine.
Preferably, in the step b, solvent is one of ether, methanol, phenol, acetone, ethyl acetate.
Preferably, in the step b, dispersing agent is sodium methylene bis-naphthalene sulfonate, dispersing agent MF, tristearin
At least one of sour sodium.
Preferably, in the step b, initiator is benzoyl peroxide, lauroyl peroxide, methyl ethyl ketone peroxide, mistake
At least one of peroxyester, isopropyl benzene hydroperoxide, tert-butyl hydroperoxide, cumyl peroxide.
Preferably, in the step b, the parts by weight of raw materials for preparing micro-crosslinking gel layer is 25 ~ 30 weight of function monomer
Part, 2 ~ 3 parts by weight of crosslinking agent, 54 ~ 65 parts by weight of solvent, micrometer level porous 5 ~ 8 parts by weight of cyclic silicate salt crystal filter bulb, dispersion
2 ~ 3 parts by weight of agent, 1 ~ 2 parts by weight of initiator.
Preferably, in step c, the active catalyst is N, N- dimethyl cyclohexyl amine, N, N, N', N'- tetramethyl Asia
Alkyl diamine, triethylamine, N, at least one of N- dimethyl benzylamine, triethanolamine, dimethylethanolamine；The pore-creating agent is
At least one of sodium bicarbonate, saleratus, ammonium hydrogen carbonate；The antioxidant is N, N'- diphenyl-para-phenylene diamine, vulcanization two
At least one of aniline, N- phenyl-α-naphthylamine.
By forming sandwich in nonwoven layer and the embedding micro-crosslinking gel layer of polyurethane foam interlayer, wherein micro- crosslinking
Gel layer assigns gel layer high specific surface containing porous cyclic annular silicate crystal filter bulb, with porous network structure is cross-linked to form
Product, can effectively reduce VOC content, and the porous cyclic annular silicate crystal filter bulb in network can also generate anion, reach clear
The purpose of new air.
Above content of the present invention also proposes a kind of polyurethane automobile ceiling with air refreshing function, by following steps system
: a, glass layer, nonwoven layer are successively laid in artificial leather web surface；B, function monomer, crosslinking agent, silicate is brilliant
Body filter bulb, dispersing agent, initiator are added in solvent, and mixing is sprayed at non-woven fabrics and carries out crosslinking curing, and micro-crosslinking gel layer is made；
C, the roller coating urethane raw on micro-crosslinking gel layer, in a mold it is hot-forming to get.
The invention has the benefit that
The polyurethane automobile ceiling with air refreshing function is prepared 1. proposing and micro-crosslinking gel layer being arranged in sandwich
Method.
2. the present invention contains porous cyclic annular silicate crystal filter bulb by the micro-crosslinking gel layer formed, porous with being cross-linked to form
Network structure assigns gel layer high specific surface area, has excellent suction-operated, can significantly reduce VOC content.
3. the porous cyclic annular silicate crystal filter bulb in the interlayer network in ceiling prepared by the present invention can produce anion,
Achieve the effect that pure and fresh purification in-vehicle air.
4. preparation method of the invention is simple and convenient, easily operated, it is easy to implement industrialized production.
Specific embodiment
In the following, the present invention will be further described in detail by way of specific embodiments, but this should not be interpreted as to the present invention
Range be only limitted to example below.Without departing from the idea of the above method of the present invention, according to ordinary skill
The various replacements or change that knowledge and customary means are made, should be included in the scope of the present invention.
Embodiment 1
A, artificial leather facing material is paved, is coated with water-based polyurethane adhesive on surface, then be successively laid with glass layer, non-woven fabrics
Layer；
B, function monomer and crosslinking agent are dissolved in solvent, micrometer level porous cyclic silicate salt crystal filter bulb and dispersion is then added
Agent, adjusting pH value to 7.5 are uniformly mixed and obtain suspension, add initiator and stir evenly and be sprayed at nonwoven layer surface,
Carry out crosslinking curing, drying, be made can fresh air micro-crosslinking gel layer；Wherein, 28 parts by weight of function monomer, crosslinking agent 2
Parts by weight, 60 parts by weight of solvent, micrometer level porous 6 parts by weight of cyclic silicate salt crystal filter bulb, 2 parts by weight of dispersing agent, initiator 2
Parts by weight；Function monomer is acrylic acid, and crosslinking agent is trimethylolpropane, and solvent is ether, and dispersing agent is di-2-ethylhexylphosphine oxide naphthalene sulphur
Sour sodium, initiator are benzoyl peroxide；
C, one layer of A material of uniform roller coating on micro-crosslinking gel layer, then B material is sprayed, it is then placed in mold, the hot pressing at 105 DEG C
The polyurethane automobile ceiling with air refreshing function is made in molding；Wherein, A material is 4 parts by weight of active catalyst, Gao Jie
90 parts by weight of crystalline substance polyether polyol, 1 parts by weight of glycerol, 2 parts by weight of silicone oil, 2 parts by weight of pore-creating agent, 1 parts by weight of antioxidant；B
Material is polyisocyanates；Active catalyst is N, and N- dimethyl cyclohexyl amine, pore-creating agent is sodium bicarbonate；Antioxidant is N, N '-
Diphenyl-para-phenylene diamine.
Embodiment 2
A, artificial leather facing material is paved, is coated with water-based polyurethane adhesive on surface, then be successively laid with glass layer, non-woven fabrics
Layer；
B, function monomer and crosslinking agent are dissolved in solvent, micrometer level porous cyclic silicate salt crystal filter bulb and dispersion is then added
Agent, adjusting pH value to 7 are uniformly mixed and obtain suspension, add initiator and stir evenly and be sprayed at nonwoven layer surface, into
Row crosslinking curing, drying, be made can fresh air micro-crosslinking gel layer；Wherein, 26 parts by weight of function monomer, 2 weight of crosslinking agent
Measure part, 62 parts by weight of solvent, micrometer level porous 6 parts by weight of cyclic silicate salt crystal filter bulb, 3 parts by weight of dispersing agent, 1 weight of initiator
Measure part；Function monomer is methyl acrylate, and crosslinking agent is Diethylene Glycol, and solvent is methanol, and dispersing agent is di-2-ethylhexylphosphine oxide first
Base sodium naphthalene sulfonate, initiator are lauroyl peroxide；
C, one layer of A material of uniform roller coating on micro-crosslinking gel layer, then B material is sprayed, it is then placed in mold, the hot pressing at 103 DEG C
The polyurethane automobile ceiling with air refreshing function is made in molding；Wherein, A material is 3 parts by weight of active catalyst, Gao Jie
91 parts by weight of crystalline substance polyether polyol, 2 parts by weight of glycerol, 1 parts by weight of silicone oil, 2 parts by weight of pore-creating agent, 1 parts by weight of antioxidant；B
Material is polyisocyanates, and active catalyst N, N, N', N'- tetramethyl Alkylenediamine, pore-creating agent is saleratus, antioxygen
Agent is phenothiazine.
Embodiment 3
A, artificial leather facing material is paved, is coated with water-based polyurethane adhesive on surface, then be successively laid with glass layer, non-woven fabrics
Layer；
B, function monomer and crosslinking agent are dissolved in solvent, micrometer level porous cyclic silicate salt crystal filter bulb and dispersion is then added
Agent, adjusting pH value to 7 are uniformly mixed and obtain suspension, add initiator and stir evenly and be sprayed at nonwoven layer surface, into
Row crosslinking curing, drying, be made can fresh air micro-crosslinking gel layer；Wherein, 29 parts by weight of function monomer, 3 weight of crosslinking agent
Measure part, 56 parts by weight of solvent, micrometer level porous 7 parts by weight of cyclic silicate salt crystal filter bulb, 3 parts by weight of dispersing agent, 2 weight of initiator
Measure part；Function monomer is methyl methacrylate, and crosslinking agent is diglycol, and solvent is phenol, and dispersing agent is stearic acid
Sodium, initiator are methyl ethyl ketone peroxide；
C, one layer of A material of uniform roller coating on micro-crosslinking gel layer, then B material is sprayed, it is then placed in mold, the hot pressing at 100 DEG C
The polyurethane automobile ceiling with air refreshing function is made in molding；Wherein, A material is 5 parts by weight of active catalyst, Gao Jie
88 parts by weight of crystalline substance polyether polyol, 1 parts by weight of glycerol, 2 parts by weight of silicone oil, 2 parts by weight of pore-creating agent, 2 parts by weight of antioxidant；B
Material is polyisocyanates, and active catalyst is triethylamine, and pore-creating agent is ammonium hydrogen carbonate, and antioxidant is N- phenyl-α-naphthylamine.
Embodiment 4
A, artificial leather facing material is paved, is coated with water-based polyurethane adhesive on surface, then be successively laid with glass layer, non-woven fabrics
Layer；
B, function monomer and crosslinking agent are dissolved in solvent, micrometer level porous cyclic silicate salt crystal filter bulb and dispersion is then added
Agent, adjusting pH value to 8 are uniformly mixed and obtain suspension, add initiator and stir evenly and be sprayed at nonwoven layer surface, into
Row crosslinking curing, drying, be made can fresh air micro-crosslinking gel layer；Wherein, 25 parts by weight of function monomer, 2 weight of crosslinking agent
Measure part, 65 parts by weight of solvent, micrometer level porous 5 parts by weight of cyclic silicate salt crystal filter bulb, 2 parts by weight of dispersing agent, 1 weight of initiator
Measure part；Function monomer is acrylic acid, and crosslinking agent is diethylenetriamines, and solvent is acetone, and dispersing agent is di-2-ethylhexylphosphine oxide naphthalene sulfonic acids
Sodium, initiator are cyclohexanone peroxide；
C, one layer of A material of uniform roller coating on micro-crosslinking gel layer, then B material is sprayed, it is then placed in mold, the hot pressing at 110 DEG C
The polyurethane automobile ceiling with air refreshing function is made in molding；Wherein, A material is 3 parts by weight of active catalyst, Gao Jie
93 parts by weight of crystalline substance polyether polyol, 1 parts by weight of glycerol, 1 parts by weight of silicone oil, 1 parts by weight of pore-creating agent, 1 parts by weight of antioxidant；B
Material is polyisocyanates, and active catalyst N, N- dimethyl benzylamine, pore-creating agent is sodium bicarbonate, and antioxidant is N- phenyl-
Alpha-naphthylamine.
Embodiment 5
A, artificial leather facing material is paved, is coated with water-based polyurethane adhesive on surface, then be successively laid with glass layer, non-woven fabrics
Layer；
B, function monomer and crosslinking agent are dissolved in solvent, micrometer level porous cyclic silicate salt crystal filter bulb and dispersion is then added
Agent, adjusting pH value to 8 are uniformly mixed and obtain suspension, add initiator and stir evenly and be sprayed at nonwoven layer surface, into
Row crosslinking curing, drying, be made can fresh air micro-crosslinking gel layer；Wherein, 30 parts by weight of function monomer, 3 weight of crosslinking agent
Measure part, 54 parts by weight of solvent, micrometer level porous 8 parts by weight of cyclic silicate salt crystal filter bulb, 3 parts by weight of dispersing agent, 2 weight of initiator
Measure part；Function monomer is methyl acrylate, and crosslinking agent is trimethylolpropane, and solvent is ethyl acetate, and dispersing agent is methylene
Double methyl naphthalene sulfonic acid sodium, initiator are isopropyl benzene hydroperoxide；
C, one layer of A material of uniform roller coating on micro-crosslinking gel layer, then B material is sprayed, it is then placed in mold, the hot pressing at 110 DEG C
The polyurethane automobile ceiling with air refreshing function is made in molding；Wherein, A material is 5 parts by weight of active catalyst, Gao Jie
86 parts by weight of crystalline substance polyether polyol, 2 parts by weight of glycerol, 2 parts by weight of silicone oil, 3 parts by weight of pore-creating agent, 2 parts by weight of antioxidant；B
Material is polyisocyanates, and active catalyst is dimethylethanolamine, and pore-creating agent is saleratus, and antioxidant is N- phenyl-α-
Naphthylamines.
Comparative example 1
A, artificial leather facing material is paved, is coated with water-based polyurethane adhesive on surface, then be successively laid with glass layer, non-woven fabrics
Layer；
B, one layer of A material of uniform roller coating in nonwoven layer, then B material is sprayed, it is then placed in mold, it is hot-forming at 105 DEG C,
Polyurethane automobile ceiling is made；Wherein, A material be 4 parts by weight of active catalyst, 90 parts by weight of high crystalline polyether polyol,
1 parts by weight of glycerol, 2 parts by weight of silicone oil, 2 parts by weight of pore-creating agent, 1 parts by weight of antioxidant；B material is polyisocyanates, and reactivity is urged
Agent is N, and N- dimethyl cyclohexyl amine, pore-creating agent is sodium bicarbonate；Antioxidant is N, N '-diphenyl-para-phenylene diamine.
Polyurethane automobile ceiling made from above-described embodiment 1 ~ 5 and comparative example 1 tests its TVOC concentration, anion release
Amount, method or the condition for testing characterization are as follows:
TVOC concentration and anion burst size: using the Tedlar sack (hereinafter referred to as sampler bag) for having the valve more than at 2
Carry out the test of pocket type method, sampler bag having a size of 2000L, should be able to seal, and guarantee air tight, will be taken out in bag after sack inflatable body
Sample produced by the present invention is utilized TENAX-TA trap tube by the high pure nitrogen of injected slurry volume 40% after vacuum under air-proof condition
Captured gas is carried out with DNPH trap tube, temperature is 65 DEG C, respectively the TVOC content and anion when test 0.5h, 1h and 2h
Burst size, equipment are respectively JK50-TVOC detector and daily output COM-3010PRO anionic textiles instrument.
The results are shown in Table 1.
Table 1:
Claims (9)
1. a kind of preparation method of the polyurethane automobile ceiling with air refreshing function, which is characterized in that the polyurethane vapour
The specific preparation step of roof are as follows:
A, artificial leather facing material is paved, is coated with water-based polyurethane adhesive on surface, then be successively laid with glass layer, non-woven fabrics
Layer；
B, function monomer and crosslinking agent are dissolved in solvent, micrometer level porous cyclic silicate salt crystal filter bulb and dispersion is then added
Agent, adjusting pH value to 7 ~ 8 are uniformly mixed and obtain suspension, add initiator and stir evenly and be sprayed at nonwoven layer surface,
Carry out crosslinking curing, drying, be made can fresh air micro-crosslinking gel layer；
C, one layer of A material of uniform roller coating on micro-crosslinking gel layer, then B material is sprayed, it is then placed in mold, at 100 ~ 110 DEG C
It is hot-forming, the polyurethane automobile ceiling with air refreshing function is made；Wherein, the A material is 3 ~ 5 weight of active catalyst
Measure part, 86 ~ 93 parts by weight of high crystalline polyether polyol, 1 ~ 2 parts by weight of glycerol, 1 ~ 2 parts by weight of silicone oil, 1 ~ 3 weight of pore-creating agent
Part, 1 ~ 2 parts by weight of antioxidant；The B material is polyisocyanates.
2. a kind of preparation method of the polyurethane automobile ceiling with air refreshing function according to claim 1, feature
Be: in the step b, function monomer is at least one of acrylic acid, methyl acrylate, methyl methacrylate.
3. a kind of preparation method of the polyurethane automobile ceiling with air refreshing function according to claim 1, feature
Be: in the step b, crosslinking agent is trimethylolpropane, Diethylene Glycol, diglycol, diethylenetriamines
At least one of.
4. a kind of preparation method of the polyurethane automobile ceiling with air refreshing function according to claim 1, feature
Be: in the step b, solvent is one of ether, methanol, phenol, acetone, ethyl acetate.
5. a kind of preparation method of the polyurethane automobile ceiling with air refreshing function according to claim 1, feature
Be: in the step b, dispersing agent be sodium methylene bis-naphthalene sulfonate, dispersing agent MF, in odium stearate extremely
Few one kind.
6. a kind of preparation method of the polyurethane automobile ceiling with air refreshing function according to claim 1, feature
Be: in the step b, initiator be benzoyl peroxide, lauroyl peroxide, methyl ethyl ketone peroxide, cyclohexanone peroxide,
At least one of isopropyl benzene hydroperoxide, tert-butyl hydroperoxide, cumyl peroxide.
7. any one a kind of preparation side of the polyurethane automobile ceiling with air refreshing function according to claim 1 ~ 6
Method, it is characterised in that: in the step b, 25 ~ 30 parts by weight of function monomer, 2 ~ 3 parts by weight of crosslinking agent, 54 ~ 65 weight of solvent
Part, micrometer level porous 5 ~ 8 parts by weight of cyclic silicate salt crystal filter bulb, 2 ~ 3 parts by weight of dispersing agent, 1 ~ 2 parts by weight of initiator.
8. a kind of preparation method of the polyurethane automobile ceiling with air refreshing function according to claim 1, feature
Be: in step c, the active catalyst is N, N- dimethyl cyclohexyl amine, N, N, N', N'- tetramethyl Alkylenediamine, three
Ethamine, N, at least one of N- dimethyl benzylamine, triethanolamine, dimethylethanolamine；The pore-creating agent is sodium bicarbonate, carbon
At least one of potassium hydrogen phthalate, ammonium hydrogen carbonate；The antioxidant is N, N '-diphenyl-para-phenylene diamine, phenothiazine, N- benzene
At least one of base-alpha-naphthylamine.
9. a kind of polyurethane automobile top with air refreshing function that any one of claim 1 ~ 8 the method is prepared
It is fluffy.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114618232A (en) * | 2021-04-01 | 2022-06-14 | 江苏长海复合材料股份有限公司 | Glass fiber air filtering material and application thereof |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114618232A (en) * | 2021-04-01 | 2022-06-14 | 江苏长海复合材料股份有限公司 | Glass fiber air filtering material and application thereof |
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Application publication date: 20190322 |