CN103289208A - Formula and production process of polypropylene flame-retardant foam plastic - Google Patents
Formula and production process of polypropylene flame-retardant foam plastic Download PDFInfo
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- CN103289208A CN103289208A CN2013100224440A CN201310022444A CN103289208A CN 103289208 A CN103289208 A CN 103289208A CN 2013100224440 A CN2013100224440 A CN 2013100224440A CN 201310022444 A CN201310022444 A CN 201310022444A CN 103289208 A CN103289208 A CN 103289208A
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Abstract
The invention discloses a formula and a production process of a polypropylene flame-retardant foam plastic. Polypropylene is adopted as the raw material, and a corresponding aid is increased to improve the new production technology so as to obtain the foam plastic with flame retardance. Under high temperature or other dangerous situations, the foam plastic is difficult to combust, and is safer to use. With uniform and stable elasticity, the foam plastic does not deform after long-term use, and also has the excellent properties of other high polymer materials, such as high strength, good toughness, and good cold tolerance, etc. The production process is also very simple, the used equipment is traditional equipment, no additional equipment is needed, and the cost is low.
Description
Technical field
The present invention relates to a kind of prescription and technology of flame-retarded foamed plastic, relate to particularly that a kind of to adopt poly-polypropylene be prescription and the production technique of raw material.
Background technology
Develop rapidly along with social economy and science and technology, the polyolefins macromolecular material is because they a lot of premium propertiess that possess, high magnification for example, separated foam, tough, have flexible, abrasion performance, strong and the chemical resistant properties of electrical insulating property is strong etc., it is a kind of novel foam material that is most widely used in recent years, be penetrated into each corner of national economy and daily life, the foam material of Sheng Chaning all is to adopt polyolefin resin as raw material in the market, polyolefin resin possesses the not available performance of conventional foam, result of use is very good, but adopting polyolefin resin is that the raw material production porous plastics also exists certain defective, inflammable as polyolefin resin, in case catch fire, fire spreading speed is fast, produce dangerous greatly for people's life, simultaneously may cause a large amount of financial losses, so the foam article without fire-retardant finish in use is subjected to great restriction, and complex manufacturing, the cost height, bring very large inconvenience and economic pressures to the user, have above-mentioned all premium propertiess simultaneously concurrently if there is a kind of raw material can have flame retardant properties, and technology is simple, cost is low, and above problem just can solve.
The invention provides a kind of prescription and production technique that flame retardant properties has other premium propertiess, the simple polypropylene fire retardant porous plastics of technology simultaneously concurrently that have.
Summary of the invention
Problems such as prior art products is inflammable, cost is high in order to solve, complex process, the present invention adopts following technical scheme:
A kind of prescription of polypropylene fire retardant porous plastics comprises
Polypropylene: 70～85 parts
Polyolefin elastomer: 15～30 parts
Bridging agent: 0.7～0.9 part
Bridge formation auxiliary agent: 2.0～3.0 parts
Magnesium hydroxide: 70～90 parts
Active zinc white: 2.5～3.5 parts
Whipping agent: 5.0-8.0 part
Red phosphorus combustion inhibitor: 0～15 part
Stearic acid: 1.0-2.0 part
Zinic stearas: 1.0-2.0 part
Ammonium polyphosphate: 5-10 part
Silane coupling agent: 0.5-1.0 part.
As the improvement to invention, above-mentioned formula material ratio is specific as follows, includes but are not limited to the following part of joining:
Polypropylene: 85 parts
Polyolefin elastomer: 15 parts
Bridging agent: 0.8 part
Bridge formation auxiliary agent: 2.0 parts
Magnesium hydroxide: 80 parts
Active zinc white: 3 parts
Whipping agent: 7 parts
Red phosphorus combustion inhibitor: 15 parts
Stearic acid: 1 part
Zinic stearas: 1 part
Ammonium polyphosphate: 5 parts.
As to further improvement of the present invention, also comprise 3～5 parts of staining agents.
As to further improvement of the present invention, described polypropylene adopts propylene, ethene and butene-1 copolymerization to form.
As to further improvement of the present invention, described polyolefin elastomer is made up of the butylene of 40% ethylidene and 60%.
As to further improvement of the present invention, described bridging agent comprises the tertiary butyl and propyl group peroxy di isopropenylbenzene.
As to further improvement of the present invention, described bridge formation auxiliary agent is triallyl isocyanurate.
A kind of production technique of utilizing above-mentioned prescription to produce the polypropylene fire retardant porous plastics is characterized in that:
Step comprises: one), accurately weigh by above-mentioned prescription, fully stir and mix; Two), utilize Banbury mixer to mix again, time set is 13min, the blanking temperature is set at 125 ℃; Three), utilize mill to mix again, the time is 12min, and fetters 2 times, fetter thickness is 0.5mm at every turn; Four), slice, slice thickness is 1.2-1.5mm, the length of slice and wide be the best with die cavity internal diameter length and width 4/5, be cooled to 40 ℃ of placements after the slice on the top of the shelf, can fold high the placement, stack and highly be no more than 15cm; Five), the moulded from foam moulding, adopt the hydraulic type foamed process, die length is not limit, thickness is pressed 1mm, the foaming thick plate that obtains is determined by client's real needs.
Beneficial effect of the present invention is: the porous plastics that adopts polypropylene material to obtain, have flame retardant properties, be not easy burning at high temperature or other hazardous conditions, use safer insurance, and elastic force is even, stable, life-time service can not produce distortion, and has the premium properties of other macromolecular materials concurrently, as advantage such as intensity height, good toughness, winter hardiness be good, production technique is also very simple, equipment all is to adopt legacy equipment, need not increase equipment input in addition, and cost is low.
Embodiment
Embodiment 1
A kind of prescription of polypropylene fire retardant porous plastics comprises
Polypropylene: 70～85 parts
Polyolefin elastomer: 15～30 parts
Bridging agent: 0.7～0.9 part
Bridge formation auxiliary agent: 2.0～3.0 parts
Magnesium hydroxide: 70～90 parts
Active zinc white: 2.5～3.5 parts
Whipping agent: 5.0-8.0 part
Red phosphorus combustion inhibitor: 0～15 part
Stearic acid: 1.0-2.0 part
Zinic stearas: 1.0-2.0 part
Ammonium polyphosphate: 5-10 part
Silane coupling agent: 0.5-1.0 part.
One of each component was worth in a big way during above-mentioned prescription was just filled a prescription, not concrete, was preferred versions that the present invention fills a prescription as embodiment 2, and the prescription of embodiment 2 comprises:
Polypropylene: 85 parts
Polyolefin elastomer: 15 parts
Bridging agent: 0.8 part
Bridge formation auxiliary agent: 2.0 parts
Magnesium hydroxide: 80 parts
Active zinc white: 3 parts
Whipping agent: 7 parts
Red phosphorus combustion inhibitor: 15 parts
Stearic acid: 1 part
Zinic stearas: 1 part
Ammonium polyphosphate: 5 parts.
Above-mentioned is a concrete proportioning of each component, adopt such proportioning can play better effect, in order to make product have better aesthetics, above-mentioned prescription also needs to increase by 3 ~ 5 parts of staining agents, specifically needs the staining agent of what color to determine according to client's product.
Among the present invention, described polypropylene adopts propylene, ethene and butene-1 copolymerization to form, this has destroyed the regularity of polypropylene molecular chain to a certain extent, thereby reduced polyacrylic melt temperature, reduced the initial heat-sealing temperature of final co-extrusion film, adopted this three kinds of material polymerizations simultaneously, cost is lower, these materials all are very common materials, do not need to go in addition other special materials, and are more convenient simple and direct.
Among the present invention, described polyolefin elastomer is made up of the butylene of 40% ethylidene and 60%, can select the ENR8540 product of U.S. DDE company more specifically, can reach better effect like this.
Among the present invention, described bridging agent comprises the tertiary butyl and propyl group peroxy di isopropenylbenzene, can select the 14s-f1 product of German AKZONNOBEL company more specifically, reaches better effect; Described bridge formation auxiliary agent is triallyl isocyanurate, can select the TAIC product of U.S. Cyanate company more specifically, the product better effects if that obtains; Bridging agent and the bridge formation auxiliary agent ratio when base material PHR100 is 4.8:1.6, the active o content 9.45% of 14s-f1, because the material that base material uses adopts a large amount of polypropylene monomers, transformation period is 1 minute, carry out the crosslinked foaming reflection under 180 ℃, can make the resolution of superoxide reach 95% at short notice in mould, the cooperation temperature is 205 ℃ AC whipping agent, and under the promoter action of zinc white, finish bridge formation foaming engineering.By the crosslinking reaction of bridging agent, the polymer molecule interchain forms tridimensional network, not only can improve thermotolerance, has improved mechanical property, can improve anti-skid factor simultaneously.
Among the present invention, described magnesium hydroxide need carry out certain performance transformation, needs to adopt nano zine oxide and silane coupling agent to finish jointly, and the product performance that obtain like this are better.
Among the present invention, described red phosphorus combustion inhibitor composition comprises red phosphorus and ammonium polyphosphate, and the product that obtains like this possesses better flame retardant properties and mechanical property.
Among the present invention, in order to reach better effect, the calcium carbonate that can increase by 10 weight parts as the active zinc white of packing strengthening agent, 2 weight parts as heat transferring agent and 7 weight part AC whipping agents.
Utilize the production technique of above-mentioned prescription polypropylene fire retardant porous plastics, step comprises:
One), accurately weigh by above-mentioned prescription, fully mixes; Two), utilize Banbury mixer to mix again, time set is 13min, the blanking temperature is set at 125 ℃; Three), utilize mill to mix again, the time is 12min, and fetters 2 times, fetter thickness is 0.5mm at every turn; Four), slice, slice thickness is 1.2-1.5mm, the length of slice and wide be the best with die cavity internal diameter length and width 4/5, be cooled to 40 ℃ of placements after the slice on the top of the shelf, can fold high the placement, stack and highly be no more than 15cm; Five), the moulded from foam moulding, adopt the hydraulic type foamed process, die length is not limit, thickness is pressed 1mm, the foaming thick plate that obtains is determined by client's real needs.
Flame-retarded foamed plastic provided by the invention, compare with traditional halogen fire retardant material that has, have that tooling cost is low, technology is simple, good mechanical property, fire-retardant, advantages such as acoustically effective that heat-proof quality is excellent, good, and can keep mechanical property preferably after adding modified magnesium hydroxide; Raising along with people's awareness of the importance of fire prevention, new environmental-protection flame-retardant macromolecular material will replace common high molecular materials and Halogen fire retardant material, and accepted by people more and more, the material that the halogen-free flameproof lagging material gets up as a kind of new development, has development prospect preferably, external carried out a large amount of research and put into operation, and domestic research to the halogen-free flameproof lagging material also is in the stage at the early-stage, has good opportunity.
The above; be the specific embodiment of the present invention only, but be not limited thereto, anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within the invention which is intended to be protected.
Claims (8)
1. the prescription of a polypropylene fire retardant porous plastics is characterized in that:
Prescription comprises:
Polypropylene: 70～85 parts
Polyolefin elastomer: 15～30 parts
Bridging agent: 0.7～0.9 part
Bridge formation auxiliary agent: 2.0～3.0 parts
Magnesium hydroxide: 70～90 parts
Active zinc white: 2.5～3.5 parts
Whipping agent: 5.0-8.0 part
Red phosphorus combustion inhibitor: 0～15 part
Stearic acid: 1.0-2.0 part
Zinic stearas: 1.0-2.0 part
Ammonium polyphosphate: 5-10 part
Silane coupling agent: 0.5-1.0 part.
2. the prescription of a kind of polypropylene fire retardant porous plastics according to claim 1, it is characterized in that: above-mentioned formula material ratio is specific as follows, includes but are not limited to the following part of joining:
Polypropylene: 85 parts
Polyolefin elastomer: 15 parts
Bridging agent: 0.8 part
Bridge formation auxiliary agent: 2.0 parts
Magnesium hydroxide: 80 parts
Active zinc white: 3 parts
Whipping agent: 7 parts
Red phosphorus combustion inhibitor: 15 parts
Stearic acid: 1 part
Zinic stearas: 1 part
Ammonium polyphosphate: 5 parts
Silane coupling agent: 1.0 parts.
3. the prescription of a kind of polypropylene fire retardant porous plastics according to claim 1 and 2 is characterized in that: also comprise 3～5 parts of staining agents.
4. the prescription of a kind of polypropylene fire retardant porous plastics according to claim 1 and 2 is characterized in that: described polypropylene adopts propylene, ethene and butene-1 copolymerization to form.
5. the prescription of a kind of polypropylene fire retardant porous plastics according to claim 1 and 2 is characterized in that: described polyolefin elastomer is made up of the butylene of 40% ethylidene and 60%.
6. the prescription of a kind of polypropylene fire retardant porous plastics according to claim 1 and 2, it is characterized in that: described bridging agent comprises the tertiary butyl and propyl group peroxy di isopropenylbenzene.
7. the prescription of a kind of polypropylene fire retardant porous plastics according to claim 1 and 2, it is characterized in that: described bridge formation auxiliary agent is triallyl isocyanurate.
8. production technique of utilizing above-mentioned prescription to produce the polypropylene fire retardant porous plastics is characterized in that:
Step comprises: one), accurately weigh by above-mentioned prescription, fully mix; Two), utilize Banbury mixer to mix again, time set is 13min, the blanking temperature is set at 125 ℃; Three), utilize mill to mix again, the time is 12min, and fetters 2 times, fetter thickness is 0.5mm at every turn; Four), slice, slice thickness is 1.2-1.5mm, the length of slice and wide be the best with die cavity internal diameter length and width 4/5, be cooled to 40 ℃ of placements after the slice on the top of the shelf, can fold high the placement, stack and highly be no more than 15cm; Five), the moulded from foam moulding, adopt the hydraulic type foamed process, die length is not limit, thickness is pressed 1mm, the foaming thick plate that obtains is determined by client's real needs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100224440A CN103289208A (en) | 2013-01-22 | 2013-01-22 | Formula and production process of polypropylene flame-retardant foam plastic |
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|---|---|---|---|
| CN2013100224440A CN103289208A (en) | 2013-01-22 | 2013-01-22 | Formula and production process of polypropylene flame-retardant foam plastic |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542304A (en) * | 2016-01-21 | 2016-05-04 | 苏州市景荣科技有限公司 | Thermal storage PP resin-based composite shoe material and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101747579A (en) * | 2008-12-22 | 2010-06-23 | 上海日之升新技术发展有限公司 | Low-smoke halogen-free flame-retardant thermoplastic elastomer and preparation method thereof |
-
2013
- 2013-01-22 CN CN2013100224440A patent/CN103289208A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101747579A (en) * | 2008-12-22 | 2010-06-23 | 上海日之升新技术发展有限公司 | Low-smoke halogen-free flame-retardant thermoplastic elastomer and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105542304A (en) * | 2016-01-21 | 2016-05-04 | 苏州市景荣科技有限公司 | Thermal storage PP resin-based composite shoe material and preparation method thereof |
| CN105542304B (en) * | 2016-01-21 | 2018-06-01 | 东莞市联洲知识产权运营管理有限公司 | A kind of accumulation of heat PP resins base composite shoe material and preparation method thereof |
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Application publication date: 20130911 |