CN102658860A - Life jacket - Google Patents
Life jacket Download PDFInfo
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- CN102658860A CN102658860A CN2012101536638A CN201210153663A CN102658860A CN 102658860 A CN102658860 A CN 102658860A CN 2012101536638 A CN2012101536638 A CN 2012101536638A CN 201210153663 A CN201210153663 A CN 201210153663A CN 102658860 A CN102658860 A CN 102658860A
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- inner core
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Abstract
The invention discloses a life jacket comprising a jacket and an inner core which can be used as a floater. The inner core is placed in an interlayer of the jacket; the inner core is made of a foam material which is obtained by foaming main raw materials including butadiene-acrylonitrile rubber and polyvinyl chloride; the formulation of the inner core is basically composed of 10-25% of the butadiene-acrylonitrile rubber, 40-60% of polyvinyl chloride resin, 0.1-0.3% of vulcanizing agent, 0.2-0.3% of metal soap lubricating agent, 6-12% of plasticizer, 10-20% of foaming agent and 0.5-1% of stearate stabilizing agent. The life jacket disclosed by the invention has the advantages that after the inner core is immersed in water for 24 hours, the buoyancy loss is not more than 5%, so that the life jacket can stably keep a good buoyancy state in the water; the material of the inner core has a soft hand feel, and the life jacket not only has good fitness after being worn on the body, but also is convenient for people to bend, crouch or carry out various activities; the density of the inner core is only 0.034 g/cm<3> and the weight of each piece of the prepared life jacket is less than or equal to 0.8 kg, so that the weight of the life jacket is light and the life jacket is convenient to carry.
Description
Technical field
The present invention relates to a kind of life jacket, supply in sea, river, lake, to go fishing, take amusements such as yacht, or dress and the usefulness that keeps afloat that is used for user when the generation shipwreck when carrying out the ocean engineering operation.
Background technology
Existing a kind of patent No. discloses a kind of structure for the Chinese invention patent that the CN200610001478.1 name is called " life jacket "; Its structure is for having left and right predecessor; Central upper between two predecessors is positioned near the back side lower part of user's neck; Wherein, two predecessors with more than the part that the chest user contacts and the inside face of central upper by constituting from medial margin roughly to the aeration material of lateral border roughly.The aeration material can be selected mesh material for use, and it has certain thickness to obtain resiliency.The anti-slip material that can have in addition, aeration in the suitable position setting of inboard.The characteristics of this life jacket are to process through the aeration material, so aeration is better when wearing, but its shortcoming is, this vent material water-fast effective, if bubble sinks to the overlong time in the water, its buoyancy will descend; Also have its buoyancy only to concentrate on chest, the back is a tie, and structure is firm not enough, and buoyancy does not make full use of yet, and its warming effect is also bad; So its structure and material all await improving.
Summary of the invention
Technical matters to be solved by this invention is that a kind of in light weight and long-time heavy life jacket that steeps the difficult loss of buoyancy in water is provided to above-mentioned prior art present situation.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: this life jacket, include overcoat and the inner core that plays the float effect, and said inner core places the interlayer of overcoat; It is characterized in that: it is the foamed materials that primary raw material forms through foaming that said inner core adopts government rubber and polyvinylchloride, and the prescription of this inner core basic composition is: government rubber is 10～25%, and Vinyl chloride resin is 40～60%; Vulcanizator is 0.1～0.3%; The metallic soap series lubricant agent is 0.2～0.3%, and plasticizer is 6～12%, and foaming agent is 10～20%; The stearate stabilizer is 0.5～1%, and above-mentioned is percent by weight.
As improvement, described plasticizer is a dioctyl phthalate.
Improve, described vulcanizator is a sulphur again.
Improve, described stearate stabilizer is barium stearate, cadmium stearate or zinc stearate again.
Improve, said overcoat is sewed up by face cloth and Nei Bu and forms again, and said cloth adopts the terylene cloth of the orange or red that can cause vision attention, and lining adopts woven dacron.
The method for making of this inner core material may further comprise the steps:
A, the first good raw MAT'L of recipe configuration according to inner core in the claim 1;
B, carry out the raw MAT'L that configures mixing then or plasticate; Obtain foamed material; Specification requirement is cut into bulk with foamed material according to design-calculated then, puts into temperature again and is 140～150 ℃ automatic foaming oil press mould and foam and carried out the foaming first time in 35～45 minutes, and to take out the mould of putting into the second time of foaming machine be that 0.9～1Mpa carries out second time and foams at vapor pressure to the material after the foaming for the first time then; Foamed time is 20～30 minutes for the second time; Take out expanded material cooling for the second time 29～31 minutes then, keep flat again and preserve typing at least three days, be inner core material.
As improvement, said mixing step is: it is 100～120 degree that the raw MAT'L that configures is put into temperature, in refiner mixing 15～20 minutes, takes out the back and gets into foaming for the first time.
Improve, said step of plasticating is again: it is that the open type dual-roller tube plastics processing mill of 90～100 degree was plasticated 20～30 minutes that the raw MAT'L that configures is put into temperature, takes out the back and gets into foaming for the first time.
Compared with prior art; Inner core of the present invention adopt government rubber and polyvinylchloride be primary raw material through the foamed materials that foaming forms, the prescription that is used to make the expanded material inner core basic composition is: government rubber is 30～50%, and Vinyl chloride resin is 30～50%; Vulcanizator is 0.2～0.4%; The metallic soap series lubricant agent is 0.2～0.3%, and the DOP plasticizer is 5～10%, and foaming agent is 7～14%; The stearate stabilizer is 0.5～0.7%, and the mutual blending ratio of said government rubber and Vinyl chloride resin is 1: 1.The invention has the advantages that: at first, this inner core is because of the improvement of prescription, in water, soak 24 hours after, the loss of its buoyancy is no more than 5%, so this life jacket can stably keep good buoyant state in water; Secondly, inner core material is soft, is through that not only stickiness is good on the person, and is convenient to human body and bends over, squat down or carry out comings and goings; Once more, has only 0.034g/cm because of its density of inner core of the present invention
3, so every life jacket weight≤0.8kg that processes is in light weight, easy to carry.
The specific embodiment
Below in conjunction with embodiment the present invention is described in further detail.
Embodiment one, and this life jacket includes overcoat and the inner core that plays the float effect, and said inner core places the interlayer of overcoat; It is the foamed materials that primary raw material forms through foaming that said inner core adopts government rubber and polyvinylchloride, and the prescription of this inner core basic composition is: government rubber is 20%, and Vinyl chloride resin is 50%; Vulcanizator is 0.1%, and the metallic soap series lubricant agent is 0.2%, and plasticizer is 9%; Foaming agent is 20%, and the stearate stabilizer is 0.7%, and above-mentioned is percent by weight.
Above-mentioned plasticizer is a dioctyl phthalate.Vulcanizator is a sulphur.The stearate stabilizer is barium stearate, cadmium stearate or zinc stearate.Overcoat forms by sewing up with face cloth and Nei Bu, and face cloth adopts the terylene cloth of the orange or red that can cause vision attention, and lining adopts woven dacron.
The method for making of the inner core material of present embodiment may further comprise the steps:
A, the first good raw MAT'L of recipe configuration according to inner core in the claim 1;
B, carry out the raw MAT'L that configures mixing then or plasticate; Obtain foamed material; Specification requirement is cut into bulk with foamed material according to design-calculated then, puts into temperature again and is 140 ℃ automatic foaming oil press mould foaming and carried out foaming first time in 35 minutes, and to take out the mould of putting into the second time of foaming machine be that 0.9Mpa carries out the second time and foams at vapor pressure to the material after the foaming for the first time then; Foamed time is 20 minutes for the second time; Take out expanded material cooling for the second time 29 minutes then, keep flat again and preserve typing at least three days, be inner core material.
Above-mentioned mixing step is: it is 100 degree that the raw MAT'L that configures is put into temperature, in refiner mixing 15 minutes, takes out the back and gets into foaming for the first time.Above-mentioned step of plasticating is: it is that the open type dual-roller tube plastics processing mill of 90 degree was plasticated 20 minutes that the raw MAT'L that configures is put into temperature, takes out the back and gets into foaming for the first time.
Embodiment two, and this life jacket includes overcoat and the inner core that plays the float effect, and said inner core places the interlayer of overcoat; It is the foamed materials that primary raw material forms through foaming that said inner core adopts government rubber and polyvinylchloride, and the prescription of this inner core basic composition is: government rubber is 10%, and Vinyl chloride resin is 60%; Vulcanizator is 0.2%, and the metallic soap series lubricant agent is 0.3%, and plasticizer is 10%; Foaming agent is 19%, and the stearate stabilizer is 0.5%, and above-mentioned is percent by weight.
Above-mentioned plasticizer is a dioctyl phthalate.Vulcanizator is a sulphur.The stearate stabilizer is barium stearate, cadmium stearate or zinc stearate.Overcoat forms by sewing up with face cloth and Nei Bu, and face cloth adopts the terylene cloth of the orange or red that can cause vision attention, and lining adopts woven dacron.
The method for making of the inner core material of present embodiment may further comprise the steps:
A, the first good raw MAT'L of recipe configuration according to inner core in the claim 1;
B, carry out the raw MAT'L that configures mixing then or plasticate; Obtain foamed material; Specification requirement is cut into bulk with foamed material according to design-calculated then, puts into temperature again and is 145 ℃ automatic foaming oil press mould foaming and carried out foaming first time in 40 minutes, and to take out the mould of putting into the second time of foaming machine be that 0.95Mpa carries out the second time and foams at vapor pressure to the material after the foaming for the first time then; Foamed time is 25 minutes for the second time; Take out expanded material cooling for the second time 30 minutes then, keep flat again and preserve typing at least three days, be inner core material.
Above-mentioned mixing step is: it is 110 degree that the raw MAT'L that configures is put into temperature, in refiner mixing 18 minutes, takes out the back and gets into foaming for the first time.Above-mentioned step of plasticating is: it is that the open type dual-roller tube plastics processing mill of 95 degree was plasticated 25 minutes that the raw MAT'L that configures is put into temperature, takes out the back and gets into foaming for the first time.
Embodiment three, and this life jacket includes overcoat and the inner core that plays the float effect, and said inner core places the interlayer of overcoat; It is the foamed materials that primary raw material forms through foaming that said inner core adopts government rubber and polyvinylchloride, and the prescription of this inner core basic composition is: government rubber is 25%, and Vinyl chloride resin is 55%; Vulcanizator is 0.3%, and the metallic soap series lubricant agent is 0.2%, and plasticizer is 7%; Foaming agent is 12%, and the stearate stabilizer is 0.5%, and above-mentioned is percent by weight.
Above-mentioned plasticizer is a dioctyl phthalate.Vulcanizator is a sulphur.The stearate stabilizer is barium stearate, cadmium stearate or zinc stearate.Overcoat forms by sewing up with face cloth and Nei Bu, and face cloth adopts the terylene cloth of the orange or red that can cause vision attention, and lining adopts woven dacron.
The method for making of the inner core material of present embodiment may further comprise the steps:
A, the first good raw MAT'L of recipe configuration according to inner core in the claim 1;
B, carry out the raw MAT'L that configures mixing then or plasticate; Obtain foamed material; Specification requirement is cut into bulk with foamed material according to design-calculated then, puts into temperature again and is 150 ℃ automatic foaming oil press mould foaming and carried out foaming first time in 45 minutes, and to take out the mould of putting into the second time of foaming machine be that 1Mpa carries out the second time and foams at vapor pressure to the material after the foaming for the first time then; Foamed time is 30 minutes for the second time; Take out expanded material cooling for the second time 31 minutes then, keep flat again and preserve typing at least three days, be inner core material.
Above-mentioned mixing step is: it is 120 degree that the raw MAT'L that configures is put into temperature, in refiner mixing 20 minutes, takes out the back and gets into foaming for the first time.Above-mentioned step of plasticating is: it is that the open type dual-roller tube plastics processing mill of 100 degree was plasticated 30 minutes that the raw MAT'L that configures is put into temperature, takes out the back and gets into foaming for the first time.
Below the present invention is described further:
One, properties of product:
1, the weight≤0.8kg of every life jacket (not containing accessory);
2, every life jacket dress is simple, wears time≤2min;
3, the wearer jumps into the water surface from the 6m eminence, preserves from, and life jacket and accessory do not have damage;
4, can in 6S, will fall into water people's health of the distribution of its buoyancy moves to and recedes, and becomes 20～50 ° angle from perpendicular line, and makes its mouth exceed the floating position of safety of water surface 12cm;
5, in fresh water, soak 24 hours after, the loss of its buoyancy is no more than 5%;
6, can bear flame resistance can, the fiery 2S that above the regulation burning things which may cause a fire disaster, exposes to the sun leaves behind the burning things which may cause a fire disaster not afterflame;
7, can bear high low temperature cyclic test 5 times, free of losses sign;
Two, the characteristics of this life jacket;
This life jacket adopts density to have only 0.034g/cm
3And the foam buoyant material of soft NBR/PVC blending and modifying; Make through compression molding technology that the corner is mellow and full, the inner core of uniform quality, be easy to dress, good with good, the fit property of coating performance of human body; Being convenient to human body bends over, squats down or carry out comings and goings; Life jacket adopts the pattern of cardigan or blouse, can guarantee that buoyancy concentrates on the shirtfront, and the back upset human body of being convenient to fall into water is to safe floating condition.Adopt the two-sided life jacket of tatting camouflage color, orange lining to be applicable to that army uses, can under situation about encountering with the enemy, wear hidden by rapid turn-over.
Three, make
1, needle gage: bright, interior 11～13 pins of the every 3cm length of concealed wire sewing needle distance.Wherein, be no less than 12 pins in the every 3cm of open-wire line.
2, the sewing circuit is straight, and accurate positioning is apart from the narrow unanimity of hem width; Stitching degree of tightness appropriateness is in conjunction with firm.The heavy line length of tieing is not less than 1.5cm; Every limit of wire jumper everywhere, every place is no more than two pins.
Four, the performance testing of life jacket
1, water resistance: flooding quantity is no more than 200g behind the floating 1h in hydrostatic.
2, heat-insulating property: in water temperature is lower than 15 ℃ seawater, floating 1h, the anus temperature descends and is not more than 2 ℃.
3, weight: do not comprise diver's boots, the anti-whole clothing weight of life jacket of soaking is not more than 2kg.
4, performance in the water: the personnel of body weight (75 ± 5) kg cold district insulated cold wear in winter, are wearing this life jacket, from the plunge of 6m eminence, and life jacket and annex zero damage; Emerge in the 5s after falling into water, be erectility, mouth exceeds water surface 120mm.
5, heat resistance: stand (65 ± 2) ℃ and (30 ± 2) ℃ alternate cycles 10 times, do not have the sign of damage.
6, wear off the time: test personnel can wear and take off life jacket after cold district insulated cold wear in winter in 2min.
7, fire performance: the fiery 2s that above the regulation burning things which may cause a fire disaster, exposes to the sun, leave behind the burning things which may cause a fire disaster not afterflame.
8, oil resistance: in diesel oil, soak 24h, life jacket does not have the damage sign.
9, work efficiency performance: test personnel wear life jacket, can along length at least the vertical ladder of 5m climb up and climb down, can walk, bend over or the arm activity freely.Test personnel can pick up the pencil of diameter a 8～10mm and write.
Five, the floating material of NBR/PVC blend foamed plastic adds multiple auxiliary agent by government rubber (NBR) and polyvinylchloride (PVC), and warp machinery ginseng is mixed foaming and made.
Government rubber system is processed by butadidenne and acrylonitrile emulsion copolymerization, and the basic characteristics of NBR are that polarity itrile group group is arranged on its strand.Polarity itrile group group is given NBR oil resistant, anti-benzene, anti-hydro carbons and excellent properties such as ageing-resistant.Along with the increase of bright alkene nitrile content, the oil resistant of government rubber, wear-resisting, performances such as resistance to effect of heat and hardness and pulling strengrth improve, and rebound resilience, the low temperature resistant property of having mercy on of bending, performances such as compressive permanent set property then reduce.
Polyvinylchloride is formed by polyethylene polymerization.The PVC resistance to acids and bases, flame resistance, dielectricity is all better, and PVC is a polar compound, and its solid plastic presents the good mechanical performance.But 136 ℃ of the tack temperature of polyvinyl chloride resin are very approaching with 140 ℃ of dissociation temperature, bring big difficulty to forming work, so when making foamed plastic; Must add heat stabilizer to improve the dissociation temperature of PVC; Add plasticizer,, improve the flowing power of PVC melt to reduce the tack temperature of PVC.
Because NBR and PVC are polar polymers, solubility parameter is very approaching, so compatibility is fine between them.The NBR/PVC blending foaming material has excellent performance, fuel resistance, and chemical inertness, the temperature tolerance rebound resilience is good, and is soft, and hygroscopic character is little.
Six, main technical details of the present invention is:
1. formula constituent is:
Annotate: other components in the deduction PVC plastic cement particle, NBR and PVC actual ratio are about 55/45
2. physicochemical property
Chemical inertness: the acidproof 24h no change that in 2% aqueous sulfuric acid, soaks
Seven, the method for application of this life jacket
1. open the package, take out life jacket, whether inspection clothing body is intact; 2. draw back front part of a Chinese robe or jacket slide fastener or band, put on life jacket; 3. pull on front part of a Chinese robe or jacket slide fastener or tie up band, press the good chest of chest measurement size adjustment, waistband, it is suitable to make it degree of tightness, buckles well eye-splice then.Be strictly on guard against sharp device scribing between use and preservation period, puncture and the weight extrusion; Prevent to contact with pharmaceutical chemicals; 4. must rinse well, dry, keep flat with fresh water after each the use; 5. use or store 2 years after to check buoyancy whether normal, if any unusually, can use after must repairing.
Claims (8)
1. a life jacket includes overcoat and the inner core that plays the float effect, and said inner core places the interlayer of overcoat; It is characterized in that: it is the foamed materials that primary raw material forms through foaming that said inner core adopts government rubber and polyvinylchloride, and the prescription of this inner core basic composition is: government rubber is 10～25%, and Vinyl chloride resin is 40～60%; Vulcanizator is 0.1～0.3%; The metallic soap series lubricant agent is 0.2～0.3%, and plasticizer is 6～12%, and foaming agent is 10～20%; The stearate stabilizer is 0.5～1%, and above-mentioned is percent by weight.
2. life jacket according to claim 1 is characterized in that: described plasticizer is a dioctyl phthalate.
3. life jacket according to claim 1 is characterized in that: described vulcanizator is a sulphur.
4. life jacket according to claim 1 is characterized in that: described stearate stabilizer is barium stearate, cadmium stearate or zinc stearate.
5. according to the described life jacket of arbitrary claim in the claim 1 to 4, it is characterized in that: said overcoat is sewed up by face cloth and Nei Bu and forms, and said cloth adopts the terylene cloth of the orange or red that can cause vision attention, and lining adopts woven dacron.
6. according to the described life jacket of arbitrary claim in the claim 1 to 4, it is characterized in that: the method for making of said inner core material may further comprise the steps:
A, the first good raw MAT'L of recipe configuration according to inner core in the claim 1;
B, carry out the raw MAT'L that configures mixing then or plasticate; Obtain foamed material; Specification requirement is cut into bulk with foamed material according to design-calculated then, puts into temperature again and is 140～150 ℃ automatic foaming oil press mould and foam and carried out the foaming first time in 35～45 minutes, and to take out the mould of putting into the second time of foaming machine be that 0.9～1Mpa carries out second time and foams at vapor pressure to the material after the foaming for the first time then; Foamed time is 20～30 minutes for the second time; Take out expanded material cooling for the second time 29～31 minutes then, keep flat again and preserve typing at least three days, be inner core material.
7. life jacket according to claim 6 is characterized in that: said mixing step is: it is 100～120 degree that the raw MAT'L that configures is put into temperature, in refiner mixing 15～20 minutes, takes out the back and gets into foaming for the first time.
8. life jacket according to claim 6 is characterized in that: said step of plasticating is: it is that the open type dual-roller tube plastics processing mill of 90～100 degree was plasticated 20～30 minutes that the raw MAT'L that configures is put into temperature, takes out the back and gets into foaming for the first time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101536638A CN102658860A (en) | 2012-05-02 | 2012-05-02 | Life jacket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101536638A CN102658860A (en) | 2012-05-02 | 2012-05-02 | Life jacket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102658860A true CN102658860A (en) | 2012-09-12 |
Family
ID=46768494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101536638A Pending CN102658860A (en) | 2012-05-02 | 2012-05-02 | Life jacket |
Country Status (1)
| Country | Link |
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| CN (1) | CN102658860A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104401467A (en) * | 2014-11-25 | 2015-03-11 | 苏州九鼎珍珠棉有限公司 | Life jacket based on pearl wool foam and preparation method of life jacket |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4023223A (en) * | 1975-04-02 | 1977-05-17 | Cosalt Limited | Protective clothing |
| EP0104745A1 (en) * | 1982-08-25 | 1984-04-04 | Anthony Arthur Charles Tillbrook | Protective suit |
| CN2072512U (en) * | 1990-07-05 | 1991-03-06 | 黄登高 | Swimming protective (life) suit |
| CN2121409U (en) * | 1992-04-18 | 1992-11-11 | 李国良 | Floating swimsuit |
| CN2193320Y (en) * | 1994-06-10 | 1995-03-29 | 李春林 | Life jacket |
| JP2007291295A (en) * | 2006-04-27 | 2007-11-08 | Toyo Tire & Rubber Co Ltd | Water proofing nitrile rubber composition |
| CN101607587A (en) * | 2009-07-20 | 2009-12-23 | 沈爱甫 | A kind of life jacket |
-
2012
- 2012-05-02 CN CN2012101536638A patent/CN102658860A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4023223A (en) * | 1975-04-02 | 1977-05-17 | Cosalt Limited | Protective clothing |
| EP0104745A1 (en) * | 1982-08-25 | 1984-04-04 | Anthony Arthur Charles Tillbrook | Protective suit |
| CN2072512U (en) * | 1990-07-05 | 1991-03-06 | 黄登高 | Swimming protective (life) suit |
| CN2121409U (en) * | 1992-04-18 | 1992-11-11 | 李国良 | Floating swimsuit |
| CN2193320Y (en) * | 1994-06-10 | 1995-03-29 | 李春林 | Life jacket |
| JP2007291295A (en) * | 2006-04-27 | 2007-11-08 | Toyo Tire & Rubber Co Ltd | Water proofing nitrile rubber composition |
| CN101607587A (en) * | 2009-07-20 | 2009-12-23 | 沈爱甫 | A kind of life jacket |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104401467A (en) * | 2014-11-25 | 2015-03-11 | 苏州九鼎珍珠棉有限公司 | Life jacket based on pearl wool foam and preparation method of life jacket |
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Application publication date: 20120912 |