CN110588104A - Flame-retardant recycled plastic particles - Google Patents
Flame-retardant recycled plastic particles Download PDFInfo
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- CN110588104A CN110588104A CN201910745471.8A CN201910745471A CN110588104A CN 110588104 A CN110588104 A CN 110588104A CN 201910745471 A CN201910745471 A CN 201910745471A CN 110588104 A CN110588104 A CN 110588104A
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- 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
- B32B1/00—Layered products having a general shape other than plane
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- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
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- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
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- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
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- 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
- B32B2262/101—Glass fibres
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- 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
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2300/00—Characterised by the use of unspecified polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
Abstract
The invention discloses flame-retardant regenerated plastic particles, which comprise a particle main body, a through hole, a recyclable part and inner-layer patterns, wherein the surface of the particle main body is embedded and connected with the through hole, the inner side of the particle main body is fixedly connected with the recyclable part, the middle part of the inner part of the particle main body is fixedly connected with an inner layer, the middle part of the recyclable part is connected with a vent pipe in a penetrating way, the outer side of the inner part of the inner layer is fixedly connected with an inner-layer transmission pipe, the inner layer can improve the flame-retardant effect of the particles, when the particle main body is subjected to higher temperature, an intumescent flame retardant in a plastic filament generates white bubbles, so that the volume is enlarged to a cavity, the white bubbles are transmitted through a one-way valve and then transmitted into the inner-layer transmission pipe through holes in a telescopic film, and when plastics containing the intumescent flame retardant are burnt, a carbon foam, and the flame retardant is low in smoke, low in toxicity and free of corrosive gas, so that the flame retardant property of the particles is effectively improved.
Description
Technical Field
The utility model relates to a plastic products field specifically is fire-retardant recycled plastic granule.
Background
The invention of plastic brings convenience to people's life, but also causes pollution to the environment to a certain extent, and compared with the original resource development, the recovery of waste plastic has lower cost, so the recovery of waste plastic has very wide market and potential.
The existing flame-retardant regenerated plastic particles are simple in structure, difficult to store and easy to wet by moisture, and the existing flame-retardant regenerated plastic particles are not provided with a component for fixing an internal structure, so that the particles are decomposed in advance before the particles are recovered, the recoverable part is less, the particle flame retardance is poor, the flame-retardant materials are less, the compatibility with other materials is poor, the particles are not perfect enough, and the requirements of the modern society are difficult to meet.
Therefore, how to design the flame-retardant recycled plastic particles becomes a problem to be solved currently.
Disclosure of Invention
The invention aims to provide flame-retardant recycled plastic particles to solve the problems of simple structure and difficult preservation in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: flame-retardant recycled plastic particles, including granule main part, through-hole, recoverable part and inlayer line, the surface embedding of granule main part is connected with the through-hole, the inside inboard fixedly connected with recoverable part of granule main part, the inside middle part fixedly connected with inlayer of granule main part, recoverable part's middle part through connection has the breather pipe, the inside inboard fixedly connected with plasticizer of inlayer, the inside outside fixedly connected with inlayer transmission pipe of inlayer, the inside middle part fixedly connected with osmotic membrane of inlayer, the inside inner wall embedding of osmotic membrane is connected with the cavity, the inboard fixedly connected with check valve of cavity, the inside middle part fixedly connected with intumescent flame retardant of inlayer, recoverable part's inside inboard fixedly connected with renewable plastics, recoverable part's inside middle inside part fixedly connected with interior glass fiber, the outer side part of the middle of the inside of the recyclable part is fixedly connected with an outer glass fiber ring, the outer side part of the recyclable part is fixedly connected with a plastic layer, and the middle position of the inside of the recyclable part is fixedly connected with a plasticizer.
Preferably, an aluminum coating film is fixedly connected to the outer side of the particle main body.
Preferably, the middle part of the inside of the one-way valve is fixedly connected with a plastic wire.
Preferably, a polyethylene casting ring is fixedly connected to the inner side of the recyclable part.
Preferably, the inner side inner wall of the through hole is embedded and connected with absorbent cotton.
Preferably, the inner layer is provided with a layer, the inner layer is arranged on the inner side of the polyethylene casting film, and the inner layer is fixedly connected with the polyethylene casting film.
Preferably, the recyclable part is provided with a layer, the recyclable part is arranged on the inner outer side inner wall of the particle body, and the recyclable part is fixedly connected with the particle body.
Compared with the prior art, the invention has the beneficial effects that:
1. this fire-retardant recycled plastic granule, inlayer setting are in the inboard of polyethylene curtain coating membrane, inlayer and polyethylene curtain coating membrane fixed connection, and the inlayer can improve the flame retardant efficiency of granule, the effectual fire resistance that has improved the granule.
2. This fire-retardant recycled plastic granule, recoverable part sets up the inside outside inner wall at the granule main part, and recoverable part and the whole fixed connection of granule, recoverable part can improve the stability of the recoverable partial structure of granule, the effectual practicality that has improved fire-retardant granule.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an overall cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view of the inner layer of the present invention;
figure 4 is a cross-sectional view of a recyclable component of the present invention.
In the figure: 1. particle main body, 2, through hole, 3, absorbent cotton, 4, aluminum coating, 5, recyclable part, 6, inner layer, 7, vent pipe, 8, inner layer conveying pipe, 9, plasticizer, 10, cavity, 11, permeable membrane, 12, one-way valve, 13, plastic wire, 14, intumescent flame retardant, 15, outer glass fiber ring, 16, renewable plastic, 17, plastic layer, 18, inner glass fiber ring, 19, plasticizer, 20 and polyethylene casting ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the first embodiment, referring to fig. 1-4, the present invention provides a technical solution: the flame-retardant recycled plastic particle comprises a particle main body 1, a through hole 2, a recyclable part 5 and an inner layer grain 9, wherein the through hole 2 is embedded and connected on the surface of the particle main body 1, the recyclable part 5 is fixedly connected on the inner side of the particle main body 1, an inner layer 6 is fixedly connected on the middle part of the particle main body 1, a vent pipe 7 is connected on the middle part of the recyclable part 5 in a penetrating way, a plasticizer 9 is fixedly connected on the inner side of the inner layer 6, an inner layer transmission pipe 8 is fixedly connected on the inner outer side of the inner layer 6, a permeable membrane 11 is fixedly connected on the middle part of the inner layer 6, a cavity 10 is embedded and connected on the inner wall of the permeable membrane 11, a one-way valve 12 is fixedly connected on the inner side of the cavity 10, an intumescent flame retardant 14 is fixedly connected on the middle part of the inner, an outer glass fiber ring 15 is fixedly connected to the outer side part of the middle part of the interior of the recyclable part 5, a plastic layer 17 is fixedly connected to the outer side part of the recyclable part 5, and a plasticizer 19 is fixedly connected to the middle part of the interior of the recyclable part 5.
Preferably, the aluminum coating film 4 is fixedly connected to the outer side of the particle main body 1, when the particles are recovered, the recovered particles need to be processed, the recyclable material is recycled, the aluminum coating film 4 can protect the particle main body 1, the oxidation of the material inside the particles is reduced, the material inside the particle main body 1 is more durable, when the particles are recovered, the temperature of the particles rises to enable the aluminum coating film 4 to be melted, the recyclable part can be recycled, and the protection effect on the particle main body 1 is effectively improved.
Preferably, the plastic wire 13 is fixedly connected to the middle part inside the check valve 12, the intumescent flame retardant 14 is arranged at the middle part inside the particle main body 1, the intumescent flame retardant 14 can be wrapped by the plastic wire 13, the intumescent flame retardant 14 is stored inside the plastic wire 13, and a closed space is formed inside the plastic wire 13 by splicing the plastic wires 13, so that when the flame-retardant particles are heated, the intumescent flame retardant 14 can be extruded from the gap of the plastic wire 13, and the storage effect of the intumescent flame retardant 14 is effectively improved.
Preferably, the inner side of the recyclable part 5 is fixedly connected with a polyethylene casting ring 20, the polyethylene casting ring 20 adopts an environment-friendly bromine and antimony flame retardant system, the flame retardant efficiency is high, the fluidity is good, the recyclable part 5 in the plastic particle main body 1 is connected with the inner layer 6, and the inside of the flame retardant particles can stand a very high temperature and can not be decomposed, so that the structure of the particle parts is guaranteed to be more high temperature resistant, and the heat resistance of the particles is effectively improved.
Preferably, the inner wall of the inner side of the through hole 2 is embedded and connected with the water-absorbing cotton 3, when the flame-retardant particles are stored, the flame-retardant particles need to be wiped, so that the moisture on the surface of the flame-retardant particles is wiped completely, the internal components of the particle main body 1 cannot be soaked in water for a long time, the water-absorbing cotton 3 can absorb the surface moisture of the particle main body 1, the moisture in the particle main body 1 is absorbed through the vent pipe 7, and the storage dryness of the flame-retardant particles is effectively guaranteed.
Preferably, the inner layer 6 is provided with a layer, the inner layer 6 is arranged at the inner side of the polyethylene casting film 20, the inner layer 6 is fixedly connected with the polyethylene casting film 20, the inner layer 6 can improve the flame retardant effect of the particles, when the pellet body 1 is subjected to a relatively high temperature, the intumescent flame retardant 14 inside the plastic filaments 13 generates white bubbles, further expanding the volume into the cavity 10, transmitting the flame retardant into the inner-layer transmission pipe 8 through the one-way valve 12 and the hole on the telescopic film 11, wherein the intumescent flame retardant is an environment-friendly green flame retardant, does not contain halogen, does not adopt antimony oxide as a synergist, the system has a synergistic effect, the surface of the plastic containing the intumescent flame retardant can generate a carbonaceous foam layer when burning, the plastic has the effects of heat insulation, oxygen insulation, smoke suppression, drip prevention and the like, has excellent flame retardant property, and the flame retardant is low in smoke, low in toxicity and free of corrosive gas, so that the flame retardant property of the particles is effectively improved.
Preferably, the recyclable part 5 is provided with a layer, the recyclable part 5 is arranged on the inner side wall of the inner side of the particle main body 1, the recyclable part 5 is fixedly connected with the particle whole body 1, the recyclable part 5 can improve the stability of the structure of the recyclable part of the particle, the recyclable part 5 is fixed through the inner glass fiber ring 18 and the outer glass fiber ring 15, the recyclable plastic 16 on the recyclable part 5 can not be dissolved and separated under the condition of high temperature, the structure inside the recyclable part 5 is more stable, and the practicability of the flame-retardant particle is effectively improved.
The working principle is as follows: firstly, the dryness of the flame-retardant particles is ensured by the water-absorbing cotton 3 during storage, the water-absorbing cotton 3 is embedded and connected to the inner side inner wall of the through hole 2, the flame-retardant particles are required to be wiped when the flame-retardant particles are stored, so that the moisture on the surfaces of the flame-retardant particles is wiped completely, the internal components of the particle main body 1 cannot be soaked in water for a long time, the water-absorbing cotton 3 can absorb the moisture on the surfaces of the particle main body 1, the moisture in the particle main body 1 is absorbed by the vent pipe 7, and the dryness of the flame-retardant particles during storage is effectively ensured;
then, the structure of the recoverable part in the flame-retardant particle is more stable through the recoverable part 5, the recoverable part 5 is provided with a layer, the recoverable part 5 is arranged on the inner side inner wall of the particle main body 1, the recoverable part 5 is fixedly connected with the particle whole body 1, the recoverable part 5 can improve the stability of the structure of the recoverable part of the particle, the recoverable part 5 is fixed through the inner glass fiber ring 18 and the outer glass fiber ring 15, the renewable plastic 16 on the recoverable part 5 can not be dissolved and separated under the condition of high temperature, the structure in the recoverable part 5 is more stable, and the practicability of the flame-retardant particle is effectively improved;
then, the gap between the recyclable part 5 and the inner layer 6 is filled through the polyethylene casting ring 20, the polyethylene casting ring 20 is fixedly connected to the inner side of the recyclable part 5, the polyethylene casting ring 20 adopts an environment-friendly bromine and antimony flame retardant system, the flame retardant efficiency is high, the fluidity is good, and the recyclable part 5 and the inner layer 6 in the plastic particle main body 1 are connected to enable the interior of the flame retardant particle to withstand a very high temperature without decomposition, so that the structure of the particle part is ensured to be more resistant to high temperature, and the heat resistance of the particle is effectively improved;
next, the flame retardance of the flame-retardant particles is improved through the inner layer 6, the inner layer 6 is provided with a layer, the inner layer 6 is arranged on the inner side of the polyethylene casting film 20, the inner layer 6 is fixedly connected with the polyethylene casting film 20, the flame-retardant effect of the particles can be improved through the inner layer 6, when the particle main body 1 is subjected to a high temperature, the intumescent flame retardant 14 in the plastic filament 13 generates white bubbles, the volume of the intumescent flame retardant is enlarged into the cavity 10, the white bubbles are transmitted through the check valve 12 and then transmitted into the inner-layer transmission pipe 8 through the holes in the telescopic film 11, the intumescent flame retardant is an environment-friendly flame retardant which does not contain halogen or adopt antimony oxide as a synergist, the system has a synergistic effect, and the plastic containing the intumescent flame retardant generates a carbon foam layer on the surface during combustion, so as to achieve the effects of heat insulation, oxygen insulation, smoke suppression, drip prevention and the like, has excellent flame retardant, The flame retardant is low in toxicity, does not generate corrosive gas, and effectively improves the flame retardance of the particles;
finally, protect the fire-retardant granule through aluminium coating film 4, the outside fixedly connected with aluminium coating film 4 of granule main part 1, when retrieving the granule, need process the granule of retrieving, recycle the material of renewable utilization, aluminium coating film 4 can protect granule main part 1, the oxidation of the material of less granule inside, make the material of granule main part 1 inside more durable, and when retrieving the granule, the temperature rise of granule just makes aluminium coating film 4 will melt, and then recoverable part just can retrieve reuse, the effectual protection effect to granule main part 1 that has improved, this is exactly this fire-retardant regenerated plastic granules's theory of operation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Flame retardant recycled plastic particle, including granule main part (1), through-hole (2), recoverable part (5) and inlayer line (9), its characterized in that: the surface embedding of granule main part (1) is connected with through-hole (2), the inside inboard fixedly connected with recoverable part (5) of granule main part (1), the inside middle part fixedly connected with inlayer (6) of granule main part (1), the middle part through connection of recoverable part (5) has breather pipe (7), the inside inboard fixedly connected with plasticizer (9) of inlayer (6), the inside outside fixedly connected with inlayer transmission pipe (8) of inlayer (6), the inside middle part fixedly connected with osmotic membrane (11) of inlayer (6), the inside inner wall embedding of osmotic membrane (11) is connected with cavity (10), the inboard fixedly connected with check valve (12) of cavity (10), the inside middle part fixedly connected with inflation fire retardant (14) of inlayer (6), the inside inboard fixedly connected with plastics (16) of recoverable part (5), the inner glass fiber (18) is fixedly connected to the inner middle inner side portion of the recyclable part (5), the outer glass fiber ring (15) is fixedly connected to the inner middle outer side portion of the recyclable part (5), the plastic layer (17) is fixedly connected to the outer side portion of the recyclable part (5), and the plasticizer (19) is fixedly connected to the inner middle position of the recyclable part (5).
2. The flame retardant recycled plastic particle of claim 1, wherein: the outer side of the particle main body (1) is fixedly connected with an aluminum coating film (4).
3. The flame retardant recycled plastic particle of claim 1, wherein: the middle part of the interior of the one-way valve (12) is fixedly connected with a plastic wire (13).
4. The flame retardant recycled plastic particle of claim 1, wherein: the inner side of the recyclable part (5) is fixedly connected with a polyethylene casting ring (20).
5. The flame retardant recycled plastic particle of claim 1, wherein: the inner side inner wall of the through hole (2) is embedded and connected with water absorption cotton (3).
6. The flame retardant recycled plastic particle of claim 1, wherein: the polyethylene curtain coating film is characterized in that the inner layer (6) is provided with a layer, the inner layer (6) is arranged on the inner side of the polyethylene curtain coating film (20), and the inner layer (6) is fixedly connected with the polyethylene curtain coating film (20).
7. The flame retardant recycled plastic particle of claim 1, wherein: the recyclable part (5) is provided with a layer, the recyclable part (5) is arranged on the inner side wall of the outer side of the interior of the particle main body (1), and the recyclable part (5) is fixedly connected with the particle whole body (1).
8. The preparation method of the flame-retardant recycled plastic particles is characterized by comprising the following steps: firstly, the dryness of the flame-retardant particles is ensured by the water-absorbing cotton 3 during storage, the water-absorbing cotton 3 is embedded and connected to the inner side inner wall of the through hole 2, the flame-retardant particles are required to be wiped when the flame-retardant particles are stored, so that the moisture on the surfaces of the flame-retardant particles is wiped completely, the internal components of the particle main body 1 cannot be soaked in water for a long time, the water-absorbing cotton 3 can absorb the moisture on the surfaces of the particle main body 1, the moisture in the particle main body 1 is absorbed by the vent pipe 7, and the dryness of the flame-retardant particles during storage is effectively ensured;
then, the structure of the recoverable part in the flame-retardant particle is more stable through the recoverable part 5, the recoverable part 5 is provided with a layer, the recoverable part 5 is arranged on the inner side inner wall of the particle main body 1, the recoverable part 5 is fixedly connected with the particle whole body 1, the recoverable part 5 can improve the stability of the structure of the recoverable part of the particle, the recoverable part 5 is fixed through the inner glass fiber ring 18 and the outer glass fiber ring 15, the renewable plastic 16 on the recoverable part 5 can not be dissolved and separated under the condition of high temperature, the structure in the recoverable part 5 is more stable, and the practicability of the flame-retardant particle is effectively improved;
then, the gap between the recyclable part 5 and the inner layer 6 is filled through the polyethylene casting ring 20, the polyethylene casting ring 20 is fixedly connected to the inner side of the recyclable part 5, the polyethylene casting ring 20 adopts an environment-friendly bromine and antimony flame retardant system, the flame retardant efficiency is high, the fluidity is good, and the recyclable part 5 and the inner layer 6 in the plastic particle main body 1 are connected to enable the interior of the flame retardant particle to withstand a very high temperature without decomposition, so that the structure of the particle part is ensured to be more resistant to high temperature, and the heat resistance of the particle is effectively improved;
next, the flame retardance of the flame-retardant particles is improved through the inner layer 6, the inner layer 6 is provided with a layer, the inner layer 6 is arranged on the inner side of the polyethylene casting film 20, the inner layer 6 is fixedly connected with the polyethylene casting film 20, the flame-retardant effect of the particles can be improved through the inner layer 6, when the particle main body 1 is subjected to a high temperature, the intumescent flame retardant 14 in the plastic filament 13 generates white bubbles, the volume of the intumescent flame retardant is enlarged into the cavity 10, the white bubbles are transmitted through the check valve 12 and then transmitted into the inner-layer transmission pipe 8 through the holes in the telescopic film 11, the intumescent flame retardant is an environment-friendly flame retardant which does not contain halogen or adopt antimony oxide as a synergist, the system has a synergistic effect, and the plastic containing the intumescent flame retardant generates a carbon foam layer on the surface during combustion, so as to achieve the effects of heat insulation, oxygen insulation, smoke suppression, drip prevention and the like, has excellent flame retardant, The flame retardant is low in toxicity, does not generate corrosive gas, and effectively improves the flame retardance of the particles;
finally, the flame-retardant particles are protected through the aluminum coating film 4, the aluminum coating film 4 is fixedly connected to the outer side of the particle main body 1, when the particles are recovered, the recovered particles need to be processed, recyclable materials are recycled, the aluminum coating film 4 can protect the particle main body 1, the oxidation of the materials inside the particles is reduced, the materials inside the particle main body 1 are more durable, and when the particles are recovered, the temperature of the particles rises to enable the aluminum coating film 4 to be melted, and then the recyclable parts can be recycled, so that the protection effect on the particle main body 1 is effectively improved.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910745471.8A CN110588104B (en) | 2019-08-13 | 2019-08-13 | Flame-retardant recycled plastic particles |
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| CN201910745471.8A CN110588104B (en) | 2019-08-13 | 2019-08-13 | Flame-retardant recycled plastic particles |
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| CN110588104A true CN110588104A (en) | 2019-12-20 |
| CN110588104B CN110588104B (en) | 2022-01-14 |
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