CN109338556A - Fire-retardant, saturating scape curtain of one kind and preparation method thereof - Google Patents
Fire-retardant, saturating scape curtain of one kind and preparation method thereof Download PDFInfo
- Publication number
- CN109338556A CN109338556A CN201811508119.4A CN201811508119A CN109338556A CN 109338556 A CN109338556 A CN 109338556A CN 201811508119 A CN201811508119 A CN 201811508119A CN 109338556 A CN109338556 A CN 109338556A
- Authority
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- China
- Prior art keywords
- retardant
- curtain
- polyurethane resin
- fire
- flame
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D1/00—Woven fabrics designed to make specified articles
- D03D1/0017—Woven household fabrics
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47H—FURNISHINGS FOR WINDOWS OR DOORS
- A47H23/00—Curtains; Draperies
- A47H23/02—Shapes of curtains; Selection of particular materials for curtains
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/24—Coatings containing organic materials
- C03C25/26—Macromolecular compounds or prepolymers
- C03C25/32—Macromolecular compounds or prepolymers obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
- D03D13/002—With diagonal warps or wefts
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/242—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads inorganic, e.g. basalt
- D03D15/267—Glass
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Curtains And Furnishings For Windows Or Doors (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The present invention provides fire-retardant, saturating scape curtain of one kind and preparation method thereof, fire-retardant, saturating scape curtain provided by the invention includes: twill texture fabric, the wire rod of the twill texture fabric includes with reinforcement and matrix composite molding, the reinforcement includes glass fibre, and described matrix includes nano-aluminum hydroxide powder modification hypergolic polyurethane resin.This method comprises: flame-retardant polyurethane resin is made using nano-aluminum hydroxide powder modification dual-component aqueous polyurethane resin;Alkali-free glass fibre long filament and flame-retardant polyurethane resin molding compound are made by curtain wire rod using pultrusion molding process;Using twill or diversified twill, twill texture fabric is made;And it according to the requirement of curtain size, cuts, be sewn into curtain.Curtain produced by the present invention has the characteristics that the integration such as fire-retardant, environmentally friendly, saturating scape, can be widely used for the vehicles such as aircraft, high-speed rail, automobile, ship.
Description
Technical field
The invention belongs to function textile research fields, provide a kind of fire-retardant, saturating scape curtain.
Background technique
Currently, in the world mainly using glass fiber facings as window curtain fabric used for vehicle.Such fabric uses glass
Glass fiber is raw material, is made by processes such as weaving, starching, dyeing, has many advantages, such as lightweight, high-strength, beautiful, good flame resistance.
But there is also many disadvantages: (1) fabric does not have top finish, cannot wash;(2) fabric passes through sizing process, leads to fabric
Middle fibre gap is unevenly distributed, and saturating scape effect is bad;(3) fabric is easy to cause web surface in use due to friction
Slurry destroy so that glass fibre disperses in air.Therefore, the present invention specializes in view of the above-mentioned problems, intending carrying out, purport
Developing a kind of novel flame-retardant, saturating scape curtain.
Summary of the invention
In order to solve the above technical problems, the present invention provides fire-retardant, saturating scape curtain of one kind and preparation method thereof.
In order to solve the above technical problems, the present invention provides a kind of fire-retardant, saturating scape curtain, comprising: twill texture fabric, it is described
The wire rod of twill texture fabric includes with reinforcement and matrix composite molding, and the reinforcement includes glass fibre, described matrix
Including nano-aluminum hydroxide powder modification hypergolic polyurethane resin.
Optionally, for fire-retardant, the saturating scape curtain of one kind, the reinforcement includes alkali-free glass fibre long filament, line
50~200tex of density.
Optionally, for fire-retardant, the saturating scape curtain of one kind, described matrix includes being changed using nano-aluminum hydroxide powder
Property dual-component aqueous polyurethane resin made of flame-retardant polyurethane resin, wherein nano-aluminum hydroxide powder additive amount be 1-
3%.
Optionally, for fire-retardant, the saturating scape curtain of one kind, the flame-retardant polyurethane resin coats the alkali-free glass
Glass fiber filament is to be made the wire rod.
The present invention also provides a kind of preparation methods of fire-retardant, saturating scape curtain, comprising:
Using nano-aluminum hydroxide powder modification dual-component aqueous polyurethane resin, flame-retardant polyurethane resin is made;
Alkali-free glass fibre long filament and flame-retardant polyurethane resin molding compound are made by window using pultrusion molding process
Curtain wire rod;
Using twill or diversified twill, twill texture fabric is made;And
According to the requirement of curtain size, cuts, is sewn into curtain.
Optionally, for the preparation method of fire-retardant, the saturating scape curtain of one kind, using pultrusion molding process, by alkali-free
Filament of glass fiber and flame-retardant polyurethane resin molding compound, the step of curtain wire rod is made include:
The alkali-free glass fibre long filament is passed into equipped with the flame-retardant polyurethane by identical tension unwinding device
In the glue groove of resin;
Predetermined resin content, e.g. 10%-30% (mass fraction) are obtained by impregnation resin content precise control device;
And solidified by multisection type heating zone, so that the solvent in the flame-retardant polyurethane resin is volatilized, curing molding.
Optionally, for the preparation method of fire-retardant, the saturating scape curtain of one kind, the multisection type heating zone includes preheating
Area, temperature range is between 30 DEG C~40 DEG C;Gel area, temperature range are situated between 40 DEG C~60 DEG C and curing area, temperature range
In 30 DEG C~40 DEG C;After the alkali-free glass fibre long filament is coated by the flame-retardant polyurethane resin, successively by described pre-
Hot-zone, the gel area and the curing area, with curing molding.
Optionally, for the preparation method of fire-retardant, the saturating scape curtain of one kind, the distance of the multisection type heating zone is situated between
In 800mm~1200mm.
Optionally, for the preparation method of fire-retardant, the saturating scape curtain of one kind, by the wire rod of curing area out by setting
The natural cooling of distance, later will be on the wire winding to bobbin.
Optionally, for the preparation method of described fire-retardant, the saturating scape curtain of one kind, the set distance be 400mm~
600mm。
Fire-retardant, saturating scape curtain provided by the invention and preparation method thereof, one kind provided by the invention is fire-retardant, saturating Jing Chuanlianbao
Include: twill texture fabric, the wire rod of the twill texture fabric include with reinforcement and matrix composite molding, the reinforcement packet
Glass fibre is included, described matrix includes nano-aluminum hydroxide powder modification hypergolic polyurethane resin.This method comprises: using receiving
The rice modified bi-component aqueous polyurethane resin of aluminium-hydroxide powder, is made flame-retardant polyurethane resin;Using pultrusion molding process,
By alkali-free glass fibre long filament and flame-retardant polyurethane resin molding compound, curtain wire rod is made;It is oblique using twill or variation
Twill texture fabric is made in line;And it according to the requirement of curtain size, cuts, be sewn into curtain.Curtain produced by the present invention has
The integration feature such as fire-retardant, environmentally friendly, saturating scape, can be widely used for the vehicles such as aircraft, high-speed rail, automobile, ship, have good
Development prospect.
Specific embodiment
Fire-retardant, the saturating scape curtain of one kind and preparation method thereof of the invention will be described in more detail below, wherein table
Showing the preferred embodiment of the present invention, it should be appreciated that those skilled in the art can modify invention described herein, and still
Realize advantageous effects of the invention.Therefore, following description should be understood as the widely known of those skilled in the art, and
It is not intended as limitation of the present invention.
Main idea is that providing a kind of fire-retardant, saturating scape curtain, comprising:
Twill texture fabric, the wire rod of the twill texture fabric include with reinforcement and matrix composite molding, the increasing
Strong body includes glass fibre, and described matrix includes nano-aluminum hydroxide powder modification hypergolic polyurethane resin.
The present invention includes the following steps:
Flame-retardant polyurethane resin is made using the modified bi-component aqueous polyurethane resin of inorganic powder in step S1;
Step S2, using pultrusion molding process, by alkali-free glass fibre long filament and flame-retardant polyurethane resin molding compound,
Curtain wire rod is made;
Twill texture fabric is made using twill or diversified twill in step S3;And
Step S4 cuts according to the requirement of curtain size, is sewn into curtain.
Compared with prior art, curtain produced by the present invention has fire-retardant, environmentally friendly, saturating scape, preparation process environmentally-friendly sanitary etc.
Integrated feature can be widely used for the vehicles such as aircraft, high-speed rail, automobile, ship, have good development prospect.
Specifically, the reinforcement includes alkali-free glass fibre long filament, line for one kind fire-retardant, saturating scape curtain
50~200tex of density, for example, 60tex, 70tex, 80tex, 90tex, 100tex, 110tex, 120tex, 130tex,
140tex, 150tex, 160tex, 170tex, 180tex, 190tex etc..
In one embodiment, described matrix includes using nano-aluminum hydroxide powder modification dual-component aqueous polyurethane tree
Flame-retardant polyurethane resin made of rouge, wherein nano-aluminum hydroxide powder additive amount is 1-3%.Using nano-aluminum hydroxide
Powder may insure the flame-retardant polyurethane resin color obtained for white, to match with glass fibre.Certainly, according to practical
Demand, it is also an option that other kinds of inorganic powder is as additive, it is hereby achieved that different colors.
Specifically, the flame-retardant polyurethane resin coats the alkali-free glass fibre long filament so that the wire rod is made.
This method is described in detail below.
Flame-retardant polyurethane resin is made using inorganic powder modified bi-component aqueous polyurethane resin for step S1.
In one embodiment, including using nano-aluminum hydroxide powder modification dual-component aqueous polyurethane resin the poly- ammonia of flame retardant type is made
Ester resin, wherein nano-aluminum hydroxide powder additive amount is 1-3% (mass fraction).Use nano-aluminum hydroxide powder can be with
The flame-retardant polyurethane resin of white is obtained, other demands, such as the demand of color is based on, other inorganic powders can be rotated,
It is not specially limited herein.
For step S2, using pultrusion molding process, by alkali-free glass fibre long filament and flame-retardant polyurethane resin compounded
Molding, is made curtain wire rod;Specifically, this step may include:
Impregnation.The alkali-free glass fibre long filament is passed by identical tension unwinding device and is gathered equipped with the flame retardant type
In the glue groove of urethane resin;
Control spread.Predetermined resin content, e.g. 10%-30% (matter are obtained by impregnation resin content precise control device
Measure score);And
Solidification.Solidified by multisection type heating zone, the solvent in the flame-retardant polyurethane resin is made to volatilize, be solidified into
Type.
In one embodiment, predetermined resin content is obtained between 25-30% (quality by impregnation resin content precise control device
Score).
Further, the multisection type heating zone includes preheating zone, and temperature range is between 30 DEG C~40 DEG C;Gel area, temperature
Range is spent between 40 DEG C~60 DEG C and curing area, and temperature range is between 30 DEG C~40 DEG C;The alkali-free glass fibre long filament quilt
After the flame-retardant polyurethane resin cladding, pass through the preheating zone, the gel area and the curing area, successively to be solidified into
Type.
Further, the distance of the multisection type heating zone can obtain preferable wire rod between 800mm~1200mm,
For example, true distance can be 850mm, 900mm, 950mm, 100mm, 1050mm etc..
The wire rod can be average rate in the multisection type heating zone and slow transit through, for example, can be 100mm/min~
Between 200mm/min.To obtain preferable wire rod.
Further, after solidification, further includes: take-up.By the wire rod of curing area out by the naturally cold of set distance
It but, later will be on the wire winding to bobbin.For example, the set distance can be 300mm~800mm, e.g.
400mm, 500mm, 600mm, 700mm etc..
Twill texture fabric is made using twill or diversified twill for step S3;Specifically it can be using twill or change
Change twill-weave, wire rod in the above way obtained is warp, weft yarn raw material, and weaving is at twill texture fabric on rapier loom.
The wire rod and fabric obtained by the above method, homogeneous, pore size is almost the same, can have good translucency,
To which saturating scape effect is good.
Step S4 is cut according to the requirement of curtain size, is sewn into curtain.This step can be complete according to the prior art
At.
In conclusion fire-retardant, saturating scape curtain provided by the invention and preparation method thereof, one kind provided by the invention is fire-retardant,
Saturating scape curtain includes: twill texture fabric, and the wire rod of the twill texture fabric includes with reinforcement and matrix composite molding, institute
Stating reinforcement includes glass fibre, and described matrix includes nano-aluminum hydroxide powder modification hypergolic polyurethane resin.This method
It include: that flame-retardant polyurethane resin is made using nano-aluminum hydroxide powder modification dual-component aqueous polyurethane resin;Using drawing
Curtain wire rod is made in alkali-free glass fibre long filament and flame-retardant polyurethane resin molding compound by extrusion forming technique;Using oblique
Twill texture fabric is made in line or diversified twill;And it according to the requirement of curtain size, cuts, be sewn into curtain.The present invention is made
Curtain have the characteristics that fire-retardant, environmentally friendly, saturating scape etc. integration, can be widely used for the vehicles such as aircraft, high-speed rail, automobile, ship,
With good development prospect.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of fire-retardant, saturating scape curtain characterized by comprising
Twill texture fabric, the wire rod of the twill texture fabric include with reinforcement and matrix composite molding, the reinforcement
Including glass fibre, described matrix includes inorganic powder modified bi-component polyurethane resin.
2. one kind according to claim 1 is fire-retardant, saturating scape curtain, which is characterized in that the reinforcement includes alkali-free glass
Fiber filament, 50~200tex of line density.
3. one kind according to claim 2 is fire-retardant, saturating scape curtain, which is characterized in that described matrix includes using nanometer hydrogen
Flame-retardant polyurethane resin made of the modified bi-component aqueous polyurethane resin of alumina powder, wherein nano-aluminum hydroxide powder
Last additive amount is 1-3%.
4. one kind according to claim 3 is fire-retardant, saturating scape curtain, which is characterized in that the flame-retardant polyurethane resin packet
The alkali-free glass fibre long filament is covered so that the wire rod is made.
5. a kind of preparation method of fire-retardant, saturating scape curtain characterized by comprising
Using the modified bi-component aqueous polyurethane resin of inorganic powder, flame-retardant polyurethane resin is made;
Alkali-free glass fibre long filament and flame-retardant polyurethane resin molding compound are made by curtain use using pultrusion molding process
Wire rod;
Using twill or diversified twill, twill texture fabric is made;And
According to the requirement of curtain size, cuts, is sewn into curtain.
6. the preparation method of fire-retardant, the saturating scape curtain of one kind according to claim 5, which is characterized in that use pultrusion
Technique, by alkali-free glass fibre long filament and flame-retardant polyurethane resin molding compound, the step of curtain wire rod is made, includes:
The alkali-free glass fibre long filament is passed into equipped with the flame-retardant polyurethane resin by identical tension unwinding device
Glue groove in;
Predetermined resin content is obtained by impregnation resin content precise control device;
And solidified by multisection type heating zone, so that the solvent in the flame-retardant polyurethane resin is volatilized, curing molding.
7. the preparation method of fire-retardant, the saturating scape curtain of one kind according to claim 6, which is characterized in that the multisection type adds
Hot-zone includes preheating zone, and temperature range is between 30 DEG C~40 DEG C;Gel area, temperature range is between 40 DEG C~60 DEG C and solidifies
Area, temperature range is between 30 DEG C~40 DEG C;After the alkali-free glass fibre long filament is coated by the flame-retardant polyurethane resin, according to
It is secondary to pass through the preheating zone, the gel area and the curing area, with curing molding.
8. the preparation method of fire-retardant, the saturating scape curtain of one kind according to claim 7, which is characterized in that the multisection type adds
The distance of hot-zone is between 800mm~1200mm.
9. the preparation method of fire-retardant, the saturating scape curtain of one kind according to claim 7, which is characterized in that by curing area out
Natural cooling of the wire rod Jing Guo set distance, later will be on the wire winding to bobbin.
10. the preparation method of fire-retardant, the saturating scape curtain of one kind according to claim 7, which is characterized in that the set distance
For 400mm~600mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811508119.4A CN109338556A (en) | 2018-12-11 | 2018-12-11 | Fire-retardant, saturating scape curtain of one kind and preparation method thereof |
Applications Claiming Priority (1)
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CN201811508119.4A CN109338556A (en) | 2018-12-11 | 2018-12-11 | Fire-retardant, saturating scape curtain of one kind and preparation method thereof |
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CN201811508119.4A Pending CN109338556A (en) | 2018-12-11 | 2018-12-11 | Fire-retardant, saturating scape curtain of one kind and preparation method thereof |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106142597A (en) * | 2016-06-07 | 2016-11-23 | 重庆杰友电气材料有限公司 | A kind of preparation method of dual-component polyurethane resin cable rack column |
CN205874633U (en) * | 2016-07-26 | 2017-01-11 | 常州同维佳业新材料科技有限公司 | Novel fire -retardant shading fabric |
CN107338654A (en) * | 2017-05-31 | 2017-11-10 | 句容市恒鑫遮阳科技有限公司 | A kind of anti-flaming thermal-insulation terylene curtain and preparation method thereof |
CN107793548A (en) * | 2017-10-31 | 2018-03-13 | 镇江利德尔复合材料有限公司 | A kind of dual-component polyurethane resin, its preparation method and use it for the technique for preparing polyurethane pultrusion composite materials |
CN108329681A (en) * | 2018-03-02 | 2018-07-27 | 山西凝固力新型材料有限公司 | A kind of polyurethane pultruded panels of two-way enhancing and preparation method thereof |
-
2018
- 2018-12-11 CN CN201811508119.4A patent/CN109338556A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106142597A (en) * | 2016-06-07 | 2016-11-23 | 重庆杰友电气材料有限公司 | A kind of preparation method of dual-component polyurethane resin cable rack column |
CN205874633U (en) * | 2016-07-26 | 2017-01-11 | 常州同维佳业新材料科技有限公司 | Novel fire -retardant shading fabric |
CN107338654A (en) * | 2017-05-31 | 2017-11-10 | 句容市恒鑫遮阳科技有限公司 | A kind of anti-flaming thermal-insulation terylene curtain and preparation method thereof |
CN107793548A (en) * | 2017-10-31 | 2018-03-13 | 镇江利德尔复合材料有限公司 | A kind of dual-component polyurethane resin, its preparation method and use it for the technique for preparing polyurethane pultrusion composite materials |
CN108329681A (en) * | 2018-03-02 | 2018-07-27 | 山西凝固力新型材料有限公司 | A kind of polyurethane pultruded panels of two-way enhancing and preparation method thereof |
Non-Patent Citations (1)
Title |
---|
杨伟平等: "聚氨酯阻燃的研究进展", 《聚氨酯》 * |
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Application publication date: 20190215 |