CN114248465B - Anti-fragment interlayer for explosion-proof door and preparation method thereof - Google Patents

Anti-fragment interlayer for explosion-proof door and preparation method thereof Download PDF

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Publication number
CN114248465B
CN114248465B CN202111425891.1A CN202111425891A CN114248465B CN 114248465 B CN114248465 B CN 114248465B CN 202111425891 A CN202111425891 A CN 202111425891A CN 114248465 B CN114248465 B CN 114248465B
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cloth
explosion
interlayer
fragment
fiber
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CN114248465A (en
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刘吉平
高永红
顾锡红
辛凯
孙敏
刘秀玉
韩佳
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Guangxi Nanning Duning Ventilation Protection Equipment Co ltd
Beijing Institute of Technology BIT
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Guangxi Nanning Duning Ventilation Protection Equipment Co ltd
Beijing Institute of Technology BIT
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
    • B29C70/345—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation using matched moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/02—Layer formed of wires, e.g. mesh
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/16—Layered products comprising a layer of metal next to a particulate layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/08—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/16—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer formed of particles, e.g. chips, powder or granules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/30—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being formed of particles, e.g. chips, granules, powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0223—Vinyl resin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/103—Metal fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/106—Carbon fibres, e.g. graphite fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/14—Mixture of at least two fibres made of different materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/02—Synthetic macromolecular particles
    • B32B2264/0214—Particles made of materials belonging to B32B27/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/102—Oxide or hydroxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/718—Weight, e.g. weight per square meter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/40—Weight reduction

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Woven Fabrics (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

The invention discloses an anti-fragment interlayer for an explosion door, which is characterized by comprising a modified polyether-ether-ketone composite plate, novel anti-fragment cloth and clamping plates, wherein the novel anti-fragment cloth is coated on the modified polyether-ether-ketone composite plate, the clamping plates are clamped on four corners of the modified polyether-ether-ketone composite plate coated with the novel anti-fragment cloth, the modified polyether-ether-ketone composite plate comprises mixed powder and carbon fiber cloth, and one layer of mixed powder is arranged above and below each layer of carbon fiber cloth. The anti-fragment interlayer for the explosion-proof door can effectively prevent penetration of high-speed fragments to the door body; compared with the traditional steel bulletproof plate, the anti-fragment interlayer for the explosion door has lighter weight, good corrosion resistance, more portability in use and longer service life; the anti-fragment interlayer for the explosion-proof door has strong designability, and can change the shape according to the design requirement.

Description

Anti-fragment interlayer for explosion-proof door and preparation method thereof
Technical Field
The invention relates to an anti-fragment interlayer for an explosion vent and a preparation method thereof, belonging to the field of civil air defense engineering safety.
Background
The explosion door is an explosion-proof protection device which can resist explosion impact under certain conditions, dissipate the pressure of shock waves generated by explosion, absorb the impact kinetic energy of fragments, prevent penetration and effectively prevent explosion hazards from continuing and avoiding the influence of the explosion waves. Explosion-proof doors are widely used in places such as command rooms, civil air defense projects, explosive storehouses, inflammable storehouses, workshops and mines. Especially, the explosion vent used in civil air defense engineering can effectively resist and stop shock waves generated by explosion, and protect the life and property safety of people.
The traditional explosion-proof door is usually made of reinforced concrete or steel structure, and the material is firm and durable. Although the traditional explosion door can effectively protect shock wave energy, the traditional explosion door usually not only has the shock wave but also is accompanied with the generation of high-speed fragments in the explosion process. The prevention mechanism of the invasion effect of the high-speed fragments is different from the prevention mechanism of detonation waves, and the common explosion-proof door cannot ensure the effective protection of the high-speed fragments, so that the anti-fragment interlayer for the explosion-proof door needs to be researched to realize the purpose.
Disclosure of Invention
The invention aims to provide a fragment-proof interlayer for an explosion-proof door and a preparation method thereof, so as to obtain the fragment-proof interlayer with a protection effect on high-speed fragments.
In order to solve the technical problem, the invention adopts the following technical scheme: the utility model provides a prevent broken piece intermediate layer for explosion vent, includes modified polyether ether ketone composite sheet, novel broken piece cloth and splint of preventing, the cladding of novel broken piece cloth of preventing is on modified polyether ether ketone composite sheet, splint clamp is on four corners of the modified polyether ether ketone composite sheet that the cladding has novel broken piece cloth of preventing, modified polyether ether ketone composite sheet is including mixing powder and carbon cloth, every layer of carbon cloth's top and below all are provided with the mixed powder of one deck.
The preparation method of the anti-fragment interlayer for the explosion-proof door comprises the following steps:
mixing polyether-ether-ketone powder, superfine acrylic fiber and superfine scandium oxide powder to obtain mixed powder,
spreading n layers of mixed powder and n-1 layers of carbon fiber cloth in a mold according to the sequence of the mixed powder/the carbon fiber cloth/the mixed powder, wherein the density of the carbon fiber cloth surface is 250-350 g/m 2 About 0.167mm thick;
pressing and forming the mixed powder and the carbon fiber cloth paved in the mold by using a mold press to obtain the modified polyether-ether-ketone composite plate, wherein the temperature of an upper mold of the mold press is 395-410 ℃, the temperature of a lower mold of the mold press is 390-405 ℃, the forming pressure is 4-8 MPa, and the forming time is 5-15 min;
the method comprises the following steps of (1) simultaneously coating expanded polytetrafluoroethylene fibers and Kevlar fibers on the surface of a first core wire at the same spiral included angle by taking boron fibers as the first core wire to prepare a wrapping wire;
taking carbon fiber as a second core wire, spirally coating the surface of the second core wire with ultra-high molecular weight polyethylene fiber at a certain spiral included angle, and then coating the outermost layer of the second core wire with polyvinyl alcohol fiber at a certain spiral included angle to obtain a three-layer core-spun yarn;
weaving twill cloth with the warp and weft density of (120-145) multiplied by (70-90) according to a 'three-next-to-one-up' weaving method by taking the wrapping yarns as warp yarns and the three-layer core-spun yarns as weft yarns, wherein the twill cloth is the novel anti-fragmentation cloth;
coating the novel anti-fragmentation cloth on the outer surface of the modified polyether-ether-ketone composite plate through a binder;
and fixing four corners of the modified polyether-ether-ketone composite board coated with the novel anti-fragmentation cloth by using clamping plates to obtain an anti-fragmentation clamping layer for the explosion-proof door.
In the preparation method of the anti-fragmentation interlayer for the explosion vent, the mass ratio of the polyether-ether-ketone powder to the superfine acrylic fiber is 100 (20-30), and the mass ratio of the polyether-ether-ketone powder to the superfine scandium oxide powder is 100 (10-15).
In the preparation method of the anti-fragment interlayer for the explosion vent, the expanded polytetrafluoroethylene fiber and the Kevlar fiber are simultaneously coated on the surface of the boron fiber at a spiral included angle of 5-15 degrees to prepare the wrapping line.
In the preparation method of the anti-rupture interlayer for the explosion-proof door, the ultrahigh molecular weight polyethylene fiber is spirally coated on the surface of the second core wire at a spiral included angle of 5-15 degrees.
In the preparation method of the anti-rupture interlayer for the explosion vent, the polyvinyl alcohol fiber is coated on the outermost layer of the second core wire at a spiral included angle of 50-70 degrees.
In the preparation method of the anti-fragmentation interlayer for the explosion-proof door, the number n of the mixed powder layers is 5-10, and the thickness of each mixed powder layer is 5-10 mm.
Compared with the prior art, the anti-fragment interlayer for the explosion-proof door can effectively prevent the penetration effect of high-speed fragments on the door body; compared with the traditional steel bulletproof plate, the anti-fragment interlayer for the explosion door has the advantages of light weight, good corrosion resistance, more portability in use and longer service life; the preparation method of the anti-fragment interlayer for the explosion-proof door has strong designability, and can change the shapes of the first die and the second die according to design requirements so as to obtain anti-fragment interlayers with different shapes.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of an anti-rupture disc interlayer for an explosion vent;
reference numerals are as follows: 1-rivet, 2-splint, 3-carbon fiber cloth, 4-novel anti-fragmentation cloth.
The invention is further described with reference to the following figures and detailed description.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention.
Example 1:
the utility model provides an anti-fragmentation intermediate layer for explosion vent, includes modified polyether ether ketone composite sheet, novel anti-fragmentation cloth 4 and splint, novel anti-fragmentation cloth 4 cladding is on modified polyether ether ketone composite sheet, splint clamp has on four corners of the modified polyether ether ketone composite sheet of novel anti-fragmentation cloth 4 of cladding, modified polyether ether ketone composite sheet is including mixing powder and carbon cloth 3, every layer of carbon cloth 3's top and below all are provided with the mixed powder of one deck.
The preparation method of the anti-fragment interlayer for the explosion-proof door comprises the following steps:
fully mixing 100kg of polyether-ether-ketone powder, 30kg of superfine acrylic fiber and 10kg of superfine scandium oxide powder to obtain mixed powder A;
5 layers of mixed powder A and 4 layers of carbon fiber cloth are flatly laid in a mould according to the sequence of the mixed powder A/the carbon fiber cloth/the mixed powder A, wherein the thickness of each layer of the mixed powder A is 7mm, and the density of the carbon fiber cloth surface is about 300g/m 2 About 0.167mm thick;
and (3) pressing and forming the mixed powder and the carbon fiber cloth paved in the mold by using a mold press to obtain the modified polyether-ether-ketone composite plate, wherein the temperature of an upper mold is 395 ℃, the temperature of a lower mold is 390 ℃, the forming pressure is 5MPa, and the forming time is 5min.
Taking boron fiber as a core wire, and simultaneously coating the expanded polytetrafluoroethylene fiber and the Kevlar fiber on the surface of the boron fiber at a spiral included angle of 8 degrees to prepare a wrapping wire;
taking carbon fiber as a core wire, spirally coating the ultrahigh molecular weight polyethylene fiber on the surface of the core wire at a spiral included angle of 8 degrees, and then coating the polyvinyl alcohol fiber on the outermost layer at a spiral included angle of 50 degrees to prepare a three-layer core-spun yarn;
the fasciated yarn is used as warp, the three-layer core-spun yarn is used as weft, and twill cloth with the warp and weft density of 120 multiplied by 70 is woven according to a 'three-next-to-one-up' weaving method, and the twill cloth is the novel anti-fragment cloth 4.
Coating a novel anti-fragmentation cloth 4 on the outer surface of the modified polyether-ether-ketone composite plate through a binder;
four corners of the modified polyether-ether-ketone composite board coated with the novel anti-fragmentation cloth 4 are fixed by rivets 1 and clamping plates 2, so that an anti-fragmentation interlayer for the explosion-proof door is obtained.
Example 2:
the utility model provides an anti-fragmentation intermediate layer for explosion vent, includes modified polyether ether ketone composite sheet, novel anti-fragmentation cloth 4 and splint 2, novel anti-fragmentation cloth 4 cladding is on modified polyether ether ketone composite sheet, splint 2 press from both sides on four corners of the modified polyether ether ketone composite sheet that the cladding has novel anti-fragmentation cloth 4, modified polyether ether ketone composite sheet is including mixing powder and carbon cloth 3, every layer of carbon cloth 3's top and below all are provided with the mixed powder of one deck.
The preparation method of the anti-fragment interlayer for the explosion-proof door comprises the following steps:
fully mixing 100kg of polyether-ether-ketone powder, 20kg of superfine acrylic fiber and 15kg of superfine scandium oxide powder to obtain mixed powder A;
spreading 7 layers of mixed powder A and 6 layers of carbon fiber cloth in a mould according to the sequence of the mixed powder A/the carbon fiber cloth/the mixed powder A, wherein the thickness of each layer of mixed powder A is 5mm, and the density of the carbon fiber cloth surface is about 300g/m 2 About 0.167mm thick;
and (3) pressing and forming the mixed powder and the carbon fiber cloth paved in the mold by using a mold press to obtain the modified polyether-ether-ketone composite plate, wherein the temperature of an upper mold is 400 ℃, the temperature of a lower mold is 395 ℃, the forming pressure is 4MPa, and the forming time is 10min.
Taking boron fiber as a core wire, and simultaneously coating the expanded polytetrafluoroethylene fiber and the Kevlar fiber on the surface of the boron fiber at a spiral included angle of 15 degrees to prepare a wrapping wire;
taking carbon fiber as a core wire, spirally coating the ultrahigh molecular weight polyethylene fiber on the surface of the core wire at a spiral included angle of 10 degrees, and then coating the polyvinyl alcohol fiber on the outermost layer at a spiral included angle of 70 degrees to prepare a three-layer core-spun yarn;
the wrapping yarn is used as warp, the three-layer core-spun yarn is used as weft, and twill cloth with the warp and weft density of 145 multiplied by 90 is woven according to a 'three-next-to-one-up' weaving method, and the twill cloth is the novel anti-fragment cloth 4.
Coating a novel anti-fragmentation cloth 4 on the outer surface of the modified polyether-ether-ketone composite plate through a binder;
fix four corners that have the modified polyetheretherketone composite sheet of novel anti-fragmentation cloth 4 of cladding through rivet 1 with splint 2, obtain the anti-fragmentation intermediate layer that is used for explosion vent.
Example 3:
the utility model provides an anti-fragmentation intermediate layer for explosion vent, includes modified polyether ether ketone composite sheet, novel anti-fragmentation cloth 4 and splint 2, novel anti-fragmentation cloth 4 cladding is on modified polyether ether ketone composite sheet, splint 2 press from both sides on four corners of the modified polyether ether ketone composite sheet that the cladding has novel anti-fragmentation cloth 4, modified polyether ether ketone composite sheet is including mixing powder and carbon cloth 3, every layer of carbon cloth 3's top and below all are provided with the mixed powder of one deck.
The preparation method of the anti-fragmentation interlayer for the explosion-proof door comprises the following steps:
fully mixing 100kg of polyether-ether-ketone powder, 30kg of superfine acrylic fiber and 15kg of superfine scandium oxide powder to obtain mixed powder A;
spreading 5 layers of mixed powder A and 4 layers of carbon fiber cloth in a mold in the order of mixed powder A/carbon fiber cloth/mixed powder A, wherein the thickness of each layer of mixed powder A is 10mm, and the density of the carbon fiber cloth surface is about 300g/m 2 About 0.167mm thick;
and (3) performing compression molding on the mixed powder and the carbon fiber cloth paved in the mold by using a molding press to obtain the modified polyether-ether-ketone composite plate, wherein the temperature of an upper mold is 405 ℃, the temperature of a lower mold is 400 ℃, the molding pressure is 7MPa, and the molding time is 10min.
Taking boron fiber as a core wire, and simultaneously coating the expanded polytetrafluoroethylene fiber and the Kevlar fiber on the surface of the boron fiber at a spiral included angle of 5 degrees to prepare a wrapping wire;
taking carbon fiber as a core wire, spirally coating the surface of the core wire with ultra-high molecular weight polyethylene fiber at a spiral included angle of 5 degrees, and then coating the outermost layer with polyvinyl alcohol fiber at a spiral included angle of 60 degrees to prepare a three-layer core-spun yarn;
the wrapping yarn is used as warp, the three-layer core-spun yarn is used as weft, and twill cloth with the warp and weft density of 135 multiplied by 80 is woven according to a 'three-next-to-one-up' weaving method, and the twill cloth is the novel anti-fragment cloth 4.
Coating the novel anti-fragmentation cloth 4 on the outer surface of the modified polyether-ether-ketone composite plate through a binder;
four corners of the modified polyether-ether-ketone composite board coated with the novel anti-fragmentation cloth 4 are fixed by rivets 1 and clamping plates 2, so that an anti-fragmentation interlayer for the explosion-proof door is obtained.
Example 4:
the utility model provides an anti-fragmentation intermediate layer for explosion vent, includes modified polyether ether ketone composite sheet, novel anti-fragmentation cloth 4 and splint 2, novel anti-fragmentation cloth 4 cladding is on modified polyether ether ketone composite sheet, splint 2 press from both sides on four corners of the modified polyether ether ketone composite sheet that the cladding has novel anti-fragmentation cloth 4, modified polyether ether ketone composite sheet is including mixing powder and carbon cloth 3, every layer of carbon cloth 3's top and below all are provided with the mixed powder of one deck.
The preparation method of the anti-fragmentation interlayer for the explosion-proof door comprises the following steps:
fully mixing 100kg of polyether-ether-ketone powder, 25kg of superfine acrylic fiber and 10kg of superfine scandium oxide powder to obtain mixed powder A;
spreading 7 layers of mixed powder A and 6 layers of carbon fiber cloth in a mould in the order of mixed powder A/carbon fiber cloth/mixed powder A, wherein the thickness of each layer of mixed powder AThe degree is 8mm, and the density of the carbon fiber cloth surface is about 300g/m 2 About 0.167mm thick;
and (3) pressing and forming the mixed powder and the carbon fiber cloth paved in the mold by using a mold press to obtain the modified polyether-ether-ketone composite plate, wherein the temperature of an upper mold is 410 ℃, the temperature of a lower mold is 405 ℃, the forming pressure is 8MPa, and the forming time is 15min.
Taking boron fiber as a core wire, and simultaneously coating the expanded polytetrafluoroethylene fiber and the Kevlar fiber on the surface of the boron fiber at a spiral included angle of 15 degrees to prepare a wrapping wire;
taking carbon fiber as a core wire, spirally coating the ultrahigh molecular weight polyethylene fiber on the surface of the core wire at a spiral included angle of 15 degrees, and then coating the polyvinyl alcohol fiber on the outermost layer at a spiral included angle of 70 degrees to prepare a three-layer core-spun yarn;
the wrapping yarn is used as warp, the three-layer core-spun yarn is used as weft, and twill cloth with the warp and weft density of 145 multiplied by 90 is woven according to a 'three-next-to-one-up' weaving method, and the twill cloth is the novel anti-fragment cloth 4.
Coating a novel anti-fragmentation cloth 4 on the outer surface of the modified polyether-ether-ketone composite plate through a binder;
four corners of the modified polyether-ether-ketone composite board coated with the novel anti-fragmentation cloth 4 are fixed by rivets 1 and clamping plates 2, so that an anti-fragmentation interlayer for the explosion-proof door is obtained.
The performance of the products obtained in the above examples 1 to 4 was tested, and the test contents included: tensile strength, tensile modulus, flexural strength, flexural modulus, impact strength, and babbit hardness.
Figure BDA0003378416750000051
Figure BDA0003378416750000061
As can be seen from the results in the table above, the indexes of tensile strength, tensile modulus, bending strength, bending modulus, impact strength and Babbitt hardness of the anti-fragmentation interlayer for the explosion-proof door completely meet the corresponding performance standard requirements, so that the anti-fragmentation interlayer for the explosion-proof door can effectively prevent the penetration effect of high-speed fragments on a door body.

Claims (6)

1. An anti-fragment interlayer for an explosion door is characterized by comprising a modified polyether-ether-ketone composite plate, novel anti-fragment cloth and clamping plates, wherein the novel anti-fragment cloth is coated on the modified polyether-ether-ketone composite plate;
the preparation method of the anti-fragment interlayer for the explosion-proof door comprises the following steps:
fully mixing polyether-ether-ketone powder, superfine acrylic fibers and superfine scandium oxide powder to obtain mixed powder, and flatly spreading n layers of the mixed powder and n-1 layers of carbon fiber cloth in a mold according to the sequence of the mixed powder/the carbon fiber cloth/the mixed powder, wherein the density of the carbon fiber cloth surface is 250-350g/square meter, and the thickness is about 0.167mm; pressing and forming the mixed powder and the carbon fiber cloth paved in the mold by using a mold press to obtain the modified polyether-ether-ketone composite board, wherein the temperature of an upper mold of the mold press is 395-410 ℃, the temperature of a lower mold of the mold press is 390-405 ℃, the forming pressure is 4-8MPa, and the forming time is 5-15min; the method comprises the following steps of (1) taking boron fiber as a first core wire, and simultaneously coating expanded polytetrafluoroethylene fiber and Kevlar fiber on the surface of the first core wire at the same spiral included angle to prepare a wrapping wire; taking carbon fiber as a second core wire, spirally coating the surface of the second core wire with ultra-high molecular weight polyethylene fiber at a certain spiral included angle, and then coating the outermost layer of the second core wire with polyvinyl alcohol fiber at a certain spiral included angle to obtain a three-layer core-spun yarn; weaving twill cloth with the warp density of (120 to 145) to (70 to 90) by taking the fasciated yarn as a warp and the three-layer core-spun yarn as a weft according to a 'three-next-upper' weaving method, wherein the twill cloth is the novel anti-fragment cloth; coating the novel anti-fragmentation cloth on the outer surface of the modified polyether-ether-ketone composite plate through a binder; and fixing four corners of the modified polyether-ether-ketone composite board coated with the novel anti-fragmentation cloth by using clamping plates to obtain an anti-fragmentation clamping layer for the explosion-proof door.
2. The method for preparing the anti-fragmentation interlayer for the explosion vent as claimed in claim 1, wherein the mass ratio of the polyether-ether-ketone powder to the superfine acrylic fiber is 100 (20 to 30), and the mass ratio of the polyether-ether-ketone powder to the superfine scandium oxide powder is 100 (10 to 15).
3. The preparation method of the rupture disk interlayer for the explosion vent as claimed in claim 2, wherein the expanded polytetrafluoroethylene fiber and the Kevlar fiber are simultaneously wrapped on the surface of the boron fiber at a spiral included angle of 5-15 ° to prepare the wrapping wire.
4. The method for preparing the anti-rupture interlayer for an explosion vent according to claim 3, wherein the ultra-high molecular weight polyethylene fiber is spirally coated on the surface of the second core wire at a spiral included angle of 5-15 °.
5. The method for preparing the anti-rupture interlayer for the explosion vent according to claim 4, wherein the polyvinyl alcohol fiber is coated on the outermost layer of the second core wire at a spiral included angle of 50-70 degrees.
6. The method for preparing the anti-fracture interlayer for the explosion vent as claimed in claim 5, wherein the number of the mixed powder layers n is 5 to 10, and the thickness of each mixed powder layer is 5 to 10mm.
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