CN103569552A - Plastic dustbin with heat-resisting and fireproofing functions - Google Patents
Plastic dustbin with heat-resisting and fireproofing functions Download PDFInfo
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- CN103569552A CN103569552A CN201310524216.3A CN201310524216A CN103569552A CN 103569552 A CN103569552 A CN 103569552A CN 201310524216 A CN201310524216 A CN 201310524216A CN 103569552 A CN103569552 A CN 103569552A
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Abstract
The invention relates to a plastic dustbin with heat-resisting and fireproofing functions. The plastic dustbin comprises a cylindrical plastic bin body with an upper opening and a plastic cover, wherein the plastic cover comprises a top wall and a cylindrical sleeve type side wall; at least one window is formed in the side wall; a groove is formed in the outer wall of the plastic bin body, a clamp ring is arranged in the groove, and a bulged part is formed in the side wall of the plastic cover and supported on the clamp ring, so that the plastic cover is kept in the use position; and when the temperature inside the plastic bin reaches to a set value, the clamp ring retracts and/or melts, so that the plastic cover slides downwards along the outer wall of the plastic bin body under the gravity action of the plastic cover, and a channel from the window to the upper opening of the plastic bin body is closed. According to the plastic dustbin, oxygen required by burning is prevented from entering the plastic bin body or remarkably reduced, so that spreading of naked light or smouldering fire is prevented, and the fireproofing safety of the dustbin is improved greatly.
Description
Technical field
The invention belongs to the technical field of daily plastic product, in particular, the present invention relates to a kind of heat-resisting and plastic garbage bin fire-proof function that has.
Background technology
Sewage disposer spreads all over the streets and lanes in city and country area, as a kind of social public product, it contributes to safeguard the clean of city, facilitated people's life, but because the home to return to of any waste producing in life is all often sewage disposer, wherein just comprise such as paper, weeds, the lighter of waste gas, the combustible material that cigarette end etc. easily ignite in rubbish container can, thereby cause potential safety hazard, and the fire causing due to sewage disposer spontaneous combustion etc. also happens occasionally, in addition the rubbish in sewage disposer is in public places due to intentional destruction, teaseing of child and being lighted wittingly for example.
Summary of the invention
In order to solve above-mentioned technical matters of the prior art, the object of the present invention is to provide a kind of heat-resisting and plastic garbage bin fire-proof function that has.
There is heat-resisting and plastic garbage bin fire-proof function, comprise the cylindrical plastic staving with open topped, and be fastened on the plastic cover on described plastics staving top; Described plastic cover comprises roof and cylindrical sleeve tubular sidewall, and described sidewall is from roof to downward-extension, at described sidewall, near the place of roof, offers at least one window; It is characterized in that: on the outer wall of described plastics staving, be provided with groove, in described groove, be provided with the snap ring extending to described plastic cover sidewall, in the sidewall of described plastic cover, be formed with jut, described jut is supported on described snap ring and makes plastic cover remain on use location, opens thus through window to the passage of plastics staving open topped; When described snap ring is made by heat-sensitive resin material and temperature reaches setting value in plastics staving, described snap ring shrinks and/or melts, make described plastic cover under Action of Gravity Field along the downward landing of outer wall of described plastics staving and the roof of described plastic cover is contacted with the open topped of plastics staving, thereby make to close to the passage of plastics staving open topped via window.
Wherein, in order to be 160 ℃ of left and right by Temperature Setting, be chosen in 160 ℃ of above modified alkyd resins that significantly softening contraction (>70%) can occur as heat-sensitive resin material; The manufacturing process of described modified alkyd resin is as follows: the rosin of the maleic anhydride of the dimethylbenzene of the phthalate anhydride of the polytetramethylene glycol of the end hydroxy butadiene of the methylsuccinic acid of the soy(a)-bean oil fatty acid of 18.2wt%, 4.8wt%, 8.8wt%, 5.1wt%, 10.8wt%, 3.08wt%, 0.35wt% and surplus is added in esterifying kettle, be warming up to 150 ℃, start to stir, while being warmed up to 180 ℃, constant temperature refluxes 1 hour; Continue to be warmed up to 225 ~ 230 ℃, backflow esterification, remains to acid number and is less than 10mgKOH/g, in suction reactor, and cooling curing.
Compared with prior art, plastic garbage bin of the present invention has following beneficial effect:
The plastic garbage bin of heat-resisting and fire-proof function of the present invention, by stoping and/or significantly reducing the necessary oxygen of burning, enter in the plastics staving of the sewage disposer under case of fire, thereby can suffocate, started the fire lighted, realized and stop spreading of naked light and anneal.Plastic garbage bin of the present invention, as long as when temperature reaches the softening and/or fusion temperature of resin sensitive to heat, softening and/or the fusing of resin sensitive to heat can make described plastic cover under Action of Gravity Field along the downward landing of outer wall of described plastics staving and the roof of described plastic cover is contacted with the open topped of plastics staving, thereby substantially stoped the required oxygen that burns to enter in described plastics staving, this has improved the fire savety of sewage disposer to a great extent, and makes fire spreading become more difficult to sewage disposer outside.
Accompanying drawing explanation
Described in Fig. 1 embodiment, plastic garbage bin is in being used the schematic diagram of state.
The structural representation that described in Fig. 2 embodiment, plastic garbage bin snap ring and jut coordinate.
The schematic diagram of plastic garbage bin in closed condition described in Fig. 3 embodiment.
The specific embodiment
Below with reference to specific embodiment and Figure of description, heat-resisting and plastic garbage bin fire-proof function of the present invention is described further, to help those skilled in the art to have more complete, accurate and deep understanding to inventive concept of the present invention, technical scheme.
As Figure 1-3, of the present invention have heat-resisting and plastic garbage bin fire-proof function, comprises the cylindrical plastic staving 10 with open topped 12, and be fastened on the plastic cover 20 on described plastics staving 10 tops; Described plastic cover 20 comprises roof 21 and cylindrical sleeve tubular sidewall 22, and described sidewall 22 is from roof to downward-extension, at described sidewall 22, near the place of roof, offers at least one window 23; On the outer wall 14 of described plastics staving 10, be provided with groove 18, in described groove 18, be provided with the snap ring 30 extending to described plastic cover sidewall, in the sidewall of described plastic cover 20, be formed with jut 24, described jut 24 is supported on described snap ring 30 and makes plastic cover 20 remain on use location, opens thus as shown in Figure 1 through window to the passage of plastics staving open topped; When described snap ring is made by heat-sensitive resin material and temperature reaches setting value in plastics staving, described snap ring shrinks and/or melts, make described plastic cover under Action of Gravity Field along the downward landing of outer wall of described plastics staving and the roof of described plastic cover is contacted with the open topped of plastics staving, thereby make as shown in Figure 3 to close to the passage of plastics staving open topped via window.
Wherein, in order to be 160 ℃ of left and right by Temperature Setting, be chosen in 160 ℃ of above modified alkyd resins that significantly softening contraction (>70%) can occur as heat-sensitive resin material; The manufacturing process of described modified alkyd resin is as follows: the rosin of the maleic anhydride of the dimethylbenzene of the phthalate anhydride of the polytetramethylene glycol of the end hydroxy butadiene of the methylsuccinic acid of the soy(a)-bean oil fatty acid of 18.2wt%, 4.8wt%, 8.8wt%, 5.1wt%, 10.8wt%, 3.08wt%, 0.35wt% and surplus is added in esterifying kettle, be warming up to 150 ℃, start to stir, while being warmed up to 180 ℃, constant temperature refluxes 1 hour; Continue to be warmed up to 225 ~ 230 ℃, backflow esterification, remains to acid number and is less than 10mgKOH/g, in suction reactor, and cooling curing.
Wherein, in order to guarantee that snap ring shrinks and/or melts, make described plastic cover can, along the outer wall landing smoothly downwards of described plastics staving, as preferably, on the outer wall of described plastics staving, also be provided with smooth refractory coating 16 under Action of Gravity Field.The thickness of described smooth refractory coating is 100-500 μ m.Described smooth refractory coating is by 2 of spraying 18wt%, 2'-dihydroxyl-5, the polyaryletherketone of the chloro-diphenylsulfide of 5'-bis-, the melamine formaldehyde resin of 12wt%, the dimethyl siloxane of the polytetrafluoroethylene of 8wt%, 5wt%, the calcium fluoride of the hydroxyethyliminodiacetic acid of 5wt%, 5wt%, the alkylether sulfonate of 2wt% and surplus forms.Described smooth refractory coating still can keep good not viscosity and slickness under the condition up to 250 ℃, can guarantee the smooth landing of plastic cover.
Wherein, described plastics staving and plastic cover are prepared by heat resisting flame retardant resin composition.Described heat resisting flame retardant resin composition be the ekonol of 12 ~ 15wt%, the methacrylate of the polyacrylinitrile of 5 ~ 8wt%, 5 ~ 8wt%, the triethyl phosphate of the PTT of 2 ~ 3wt%, 1.5 ~ 2wt%, the compound of the magnesium hydroxide of the aluminium hydroxide of 1.2 ~ 1.5wt%, 1.8 ~ 2.0wt% and the polyimide of surplus.
The plastic garbage bin of described heat-resisting and fire-proof function, by stoping and/or significantly reducing the necessary oxygen of burning, enter in the plastics staving of the sewage disposer under case of fire, thereby can suffocate, started the fire lighted, realized and stop spreading of naked light and anneal.Plastic garbage bin of the present invention, as long as when temperature reaches the softening and/or fusion temperature of resin sensitive to heat, softening and/or the fusing of resin sensitive to heat can make described plastic cover under Action of Gravity Field along the downward landing of outer wall of described plastics staving and the roof of described plastic cover is contacted with the open topped of plastics staving, thereby substantially stoped the required oxygen that burns to enter in described plastics staving, this has improved the fire savety of sewage disposer to a great extent, and makes fire spreading become more difficult to sewage disposer outside.
embodiment 1
Plastics staving described in the present embodiment and plastic cover are used heat resisting flame retardant resin composition die casting to form, the compound of the ekonol that described heat resisting flame retardant resin composition is 15wt%, the polyacrylinitrile of 5wt%, the methacrylate of 5wt%, the triethyl phosphate of the PTT of 2 ~ 3wt%, 2wt%, the magnesium hydroxide of the aluminium hydroxide of 1.2wt%, 2.0wt% and the polyimide of surplus.
embodiment 2
Plastics staving described in the present embodiment and plastic cover are used heat resisting flame retardant resin composition die casting to form, the compound of the ekonol that described heat resisting flame retardant resin composition is 12wt%, the polyacrylinitrile of 8wt%, the methacrylate of 8wt%, the triethyl phosphate of the PTT of 2wt%, 1.5wt%, the magnesium hydroxide of the aluminium hydroxide of 1.5wt%, 1.8wt% and the polyimide of surplus.
comparative example 1
Plastics staving described in the present embodiment and plastic cover are used heat resisting flame retardant resin composition die casting to form, the ekonol that described heat resisting flame retardant resin composition is 15wt%, the polyacrylinitrile of 5wt%, the methacrylate of 5wt%, the aluminium hydroxide of the triethyl phosphate of 1.5wt%, 1.2wt%, the compound of the polyimide of the magnesium hydroxide of 2.0wt% and surplus.
comparative example 2
Plastics staving described in the present embodiment and plastic cover are used heat resisting flame retardant resin composition die casting to form, the ekonol that described heat resisting flame retardant resin composition is 12wt%, the polyacrylinitrile of 8wt%, the methacrylate of 8wt%, the aluminium hydroxide of the triethyl phosphate of 1.5wt%, 1.5wt%, the compound of the polyimide of the magnesium hydroxide of 1.8wt% and surplus.
By conventional double screw extrusion machine (L/D=35, Φ=45mm), the resin combination described in embodiment 1-2 and comparative example 1-2 is extruded into pellet.Utilize 10oz injection (mo(u)lding) machine, at 310 ℃, each resin granular material is shaped to specimen.Under 23 ℃ and 50% RH, expose after 48 hours, according to ASTM D648, under the pressure of 0.45MPa, measure heat modification temperature.Resin combination heat modification temperature described in embodiment 1-2 can reach 280 ~ 300 ℃, and resin combination heat modification temperature described in comparative example 1-2 is only 220 ~ 230 ℃.
In the present invention; for the ordinary skill in the art described; specific embodiment is just exemplarily described the present invention; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or without improving, design of the present invention and technical scheme are directly applied to other occasion, all within protection scope of the present invention.
Claims (6)
1. there is heat-resisting and plastic garbage bin fire-proof function, comprise the cylindrical plastic staving with open topped, and be fastened on the plastic cover on described plastics staving top; Described plastic cover comprises roof and cylindrical sleeve tubular sidewall, and described sidewall is from roof to downward-extension, at described sidewall, near the place of roof, offers at least one window; It is characterized in that: on the outer wall of described plastics staving, be provided with groove, in described groove, be provided with the snap ring extending to described plastic cover sidewall, in the sidewall of described plastic cover, be formed with jut, described jut is supported on described snap ring and makes plastic cover remain on use location, opens thus through window to the passage of plastics staving open topped; When described snap ring is made by heat-sensitive resin material and temperature reaches setting value in plastics staving, described snap ring shrinks and/or melts, make described plastic cover under Action of Gravity Field along the downward landing of outer wall of described plastics staving and the roof of described plastic cover is contacted with the open topped of plastics staving, thereby make to close to the passage of plastics staving open topped via window.
2. according to claim 1 have heat-resisting and plastic garbage bin fire-proof function, it is characterized in that: described heat-sensitive resin material is modified alkyd resin, the manufacturing process of described modified alkyd resin is as follows: by the soy(a)-bean oil fatty acid of 18.2wt%, the methylsuccinic acid of 4.8wt%, the end hydroxy butadiene of 8.8wt%, the polytetramethylene glycol of 5.1wt%, the phthalate anhydride of 10.8wt%, the dimethylbenzene of 3.08wt%, the maleic anhydride of 0.35wt% and the rosin of surplus add in esterifying kettle, be warming up to 150 ℃, start to stir, while being warmed up to 180 ℃, constant temperature refluxes 1 hour, continue to be warmed up to 225 ~ 230 ℃, backflow esterification, remains to acid number and is less than 10 mgKOH/g, in suction reactor, and cooling curing.
3. according to claim 1 have heat-resisting and plastic garbage bin fire-proof function, it is characterized in that: on the outer wall of described plastics staving, be also provided with smooth refractory coating.
4. according to claim 3 have heat-resisting and plastic garbage bin fire-proof function, it is characterized in that: the thickness of described smooth refractory coating is 100-500 μ m.
5. according to claim 4 have heat-resisting and plastic garbage bin fire-proof function, it is characterized in that: described smooth refractory coating is by 2 of spraying 18wt%, 2'-dihydroxyl-5, the polyaryletherketone of the chloro-diphenylsulfide of 5'-bis-, the melamine formaldehyde resin of 12wt%, the dimethyl siloxane of the polytetrafluoroethylene of 8wt%, 5wt%, the calcium fluoride of the hydroxyethyliminodiacetic acid of 5wt%, 5wt%, the alkylether sulfonate of 2wt% and surplus forms.
6. according to claim 1 have heat-resisting and plastic garbage bin fire-proof function, it is characterized in that: described plastics staving and plastic cover are prepared by heat resisting flame retardant resin composition.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310524216.3A CN103569552B (en) | 2013-10-30 | 2013-10-30 | Plastic dustbin with heat-resisting and fireproofing functions |
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| CN201310524216.3A CN103569552B (en) | 2013-10-30 | 2013-10-30 | Plastic dustbin with heat-resisting and fireproofing functions |
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| CN103569552B CN103569552B (en) | 2015-04-01 |
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Cited By (2)
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| CN109250333A (en) * | 2017-07-13 | 2019-01-22 | 广东沛达复合材料有限公司 | A kind of dustbin of composite material production |
| KR20200104631A (en) * | 2019-02-27 | 2020-09-04 | 인천대학교 산학협력단 | Waste bins that can extinguish fire both inside and outside |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102180417B1 (en) * | 2019-02-27 | 2020-11-18 | 인천대학교 산학협력단 | Waste bins that can extinguish fire both inside and outside |
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| CN103569552B (en) | 2015-04-01 |
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Inventor after: Zeng Xiao Inventor before: Fu Lanxun |
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Effective date of registration: 20170609 Address after: 400000 sense of industry zone, Jiangjin District, Chongqing Patentee after: Chongqing saipu plastic products Co., Ltd. Address before: 318020 Taizhou Province, Huangyan District, the new street in the village of the former 1037, No., No. seven Patentee before: Fu Lanxun |
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Address after: 400000 Degan Industrial Park, Jiangjin District, Chongqing Patentee after: Chongqing saipu Industrial Co.,Ltd. Address before: 400000 Degan Industrial Park, Jiangjin District, Chongqing Patentee before: CHONGQING SHAPE PLASTIC PRODUCTS Co.,Ltd. |
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