CN103275403B - Preparation method of halogen-free flame retardant EPDM (ethylene propylene diene monomer)/PP (polypropylene) composite material - Google Patents
Preparation method of halogen-free flame retardant EPDM (ethylene propylene diene monomer)/PP (polypropylene) composite material Download PDFInfo
- Publication number
- CN103275403B CN103275403B CN201310232834.0A CN201310232834A CN103275403B CN 103275403 B CN103275403 B CN 103275403B CN 201310232834 A CN201310232834 A CN 201310232834A CN 103275403 B CN103275403 B CN 103275403B
- Authority
- CN
- China
- Prior art keywords
- halogen
- retardant
- flame retardant
- free flame
- composite material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a preparation method of a halogen-free flame retardant EPDM/PP composite material. EPDM and polypropylene are taken as the substrate, a mixture of waste potato residues and ammonium polyphosphate is taken as a compound fire retardant, and then the composite material is formed by a conventional mixing process. According to the invention, the flame retardant composite material prepared by utilizing the mixture of waste potato residue and ammonium polyphosphate as the compound fire retardant not only has good flame retardant and smoke suppression performances, but also has a good mechanical property, and can be widely applied to various industrial fields; besides, the compound flame retardant has low cost, so that the cost of the halogen-free flame retardant EPDM/PP composite material is reduced effectively, and popularization and application of the composite material are facilitated; and meanwhile, recycling of the waste potato residue is achieved, and the problem of pollution of the potato processing industry is solved.
Description
Technical field
The invention belongs to technical field of composite materials, relate to a kind of EPT rubber matrix material, particularly relate to a kind of halogen-free flame-retardant EPT rubber matrix material.
Background technology
Terpolymer EP rubber (EPDM) is ethylene-propylene-non-conjugated diene multipolymer, is a kind of rubber with excellent properties such as excellent weather resistance, electrical insulating property, scale resistance and ozone resistances.Polypropylene (PP) is a kind of general-purpose plastics, and its good mechanical performance, stress cracking resistance and wear resistance are good, and has the processing characteristics of good thermotolerance, excellent chemical stability and excellence.The two blended matrix material obtained both was had the snappiness of EPDM, there is again the plasticity-of PP, overcome the weakness of easy roll banding in the terpolymer EP rubber course of processing.When the two is mixing in varing proportions time, obtain the matrix material with different structure and purposes, be widely used in all respects such as various electronic product casing, auto parts machinery, door and window sealing strip, material of construction water board and electric wire.But the fatal defects that EPDM and PP has jointly is inflammable, this makes the application of EPDM/PP matrix material be very restricted.And add the main path that fire retardant is the flame retardant properties solving EPDM/PP matrix material in the composite.It is reported, halogen containing flame-retardant is obvious to EPDM/PP flame retardant effect, but can discharge a large amount of toxic gases in the process of burning, not only causes environmental pollution, and withdraws to personnel in fire failure and the person works that puts out a fire causes very large threat.Therefore, halogen-free flameproof research has become the focus of flame retardant area research.Expansion type flame retardant is the most frequently used a kind of halogen-free flame retardants, and expansion type flame retardant comprises three kinds of compositions usually: acid source, carbon source and source of the gas.The most frequently used acid source is phosphoric acid, boric acid, sulfuric acid, ammonium phosphate, ammonium sulfate, urea phosphoric acid salt, ammonium polyphosphate and melamine phosphate etc., carbon source is starch, dextrin, sorbyl alcohol, tetramethylolmethane and resol etc., and source of the gas is urea, urea-formaldehyde resin, Dyhard RU 100, trimeric cyanamide and polymeric amide etc.But these fire retardant costs are higher, widely use to industrial circle and cause difficulty.
Summary of the invention
The object of the invention is for problems of the prior art, a kind of halogen-free flame-retardant EPT rubber matrix material with good flame-retardance energy, smoke suppressing and mechanical property is provided.
One, halogen-free flame-retardant EPT rubber matrix material
Halogen-free flame-retardant EPT rubber matrix material of the present invention is with terpolymer EP rubber, polypropylene for matrix, and with the mixture of waste potato dregs and ammonium polyphosphate for compound flame retardant, technique is mixing routinely forms.
Described waste potato dregs is that the waste potato dregs that yam starch source mill is discarded is dried to constant weight at 60 ~ 80 DEG C, pulverizes, the potato ground-slag obtained after crossing 300 mesh sieves.In described compound flame retardant, the mass ratio of waste potato dregs and ammonium polyphosphate is 20:1 ~ 1:1; In described matrix, terpolymer EP rubber and polyacrylic mass ratio are 4:1 ~ 1:1; The mass ratio of described matrix and compound flame retardant is 10:1 ~ 5:1.
In order to reduce the object of ageing of rubber in mixing process, also add the antioxidant of substrate quality 0.1 ~ 1% in raw material, as ZnO.
In order to balance the contradiction object shortening curing time and improve between cross-linking density, also add the promotor of substrate quality 0.4 ~ 0.8% in raw material, as TMTM.
In order to reduce rubber molecule intermolecular forces, also add the lubricant of substrate quality 0.1 ~ 1% in raw material, as EBS.
In order to promote being cross-linked between molecule
,the vulcanizing agent of substrate quality 0.4 ~ 0.8% is also added, as sulphur in raw material.
Two, the performance test of halogen-free flame-retardant EPT rubber matrix material
1, oxygen index test
Testing method: according to national standard JISK6269-1998 oxygen index measurer test limits oxygen index.Batten standard is 100 × 6.5 × 3mm
3.
Test result: oxygen index is not less than 31.
2, smoke suppressing test
Testing method: National Standard of the People's Republic of China GB/T 8323.2-2008/180 5659-2: 2006: single chamber method measures smoke density test method and carries out, and adopts flameless mode.Print is 75mm ± 1 mm square, and thick is 1. 0 mm scholar 0.1 mm.
Test result: smoke density is less than 75.
3, Mechanics Performance Testing
Testing method: according to standard GB/T/T528-1998 test tensile strength, elongation rate of tensile failure on microcomputer controlled electronic universal tester.
Test result: mechanical property: tensile strength: 12.5 ~ 10.8MPa, elongation at break: 500% ~ 320%.
In sum, the present invention has following beneficial effect relative to prior art:
1, the Flame-retardant composite material that the present invention is prepared for compound flame retardant with the mixture of waste potato dregs and ammonium polyphosphate not only has good flame retardant properties, smoke suppressing, but also has good mechanical property, can be widely used in each industrial circle;
2, compound flame retardant of the present invention is with low cost, effectively reduces the cost of EPDM/PP matrix material, is conducive to applying of matrix material;
3, present invention achieves the recycling of waste potato dregs, solve the pollution problem of Potato ring rot bacteria industry.
Embodiment
Below by specific embodiment, the preparation of flame-retardant ethylene-propylene-diene rubber/polypropylene matrix material of the present invention and performance are described further.
Embodiment 1
Basic recipe: EPDM/PP 100 parts (4:1); Antioxidant ZnO 0.1 part; TM monex TM 0.4 part; Lubricate EBS 0.1 part; Vulcanizing agent (sulphur) 0.4 part; Fire retardant 10 parts (waste potato dregs 5 parts, ammonium polyphosphate 5 parts).
Calendering process:
(1) waste potato dregs that starch factory is discarded is dried to constant weight in 60 DEG C of baking ovens, crosses 300 mesh sieves after pulverizing, get formula ratio for subsequent use.
(2) matrix material is mixing: first by PP preheating 3min under mill 170 DEG C of conditions, then add EPDM Botong 5 times, add antioxidant, lubricant successively, mixing 5min after mixing; Add fire retardant (waste potato dregs powder and ammonium polyphosphate), mixing 10min, finally add vulcanizing agent, the mixing 3min of promotor; After 24h by sample under 180 DEG C of conditions, cool 3min on a hydraulic press with after hydraulic flat vulcanizer sulfuration 30min, make the sheet material of required specification, be then prepared into standard test specimen.
Performance index: oxygen index is 31.2, smoke density is 74, mechanical performance index: tensile strength is 12.5 MPa, and elongation at break is 500%.
Embodiment 2
Basic recipe: EPDM/PP 100 parts (3:1); Antioxidant ZnO 0.5 part; TM monex TM 0.6 part; Lubricate EBS 0.5 part; Vulcanizing agent (sulphur) 0.55 part; Fire retardant 12.5 parts (waste potato dregs 10 parts, ammonium polyphosphate 2.5 parts).
Calendering process: with embodiment 1.
Performance index: oxygen index is 32.8, smoke suppressing is 75, mechanical performance index: tensile strength is 12.3MPa, and elongation at break is 423%.
Embodiment 3
Basic recipe: EPDM/PP 100 parts (2:1); Antioxidant ZnO 0.8 part; TM monex TM 0.7 part; Lubricate EBS 0.7 part; Vulcanizing agent (sulphur) 0.68 part; Fire retardant 15 parts (waste potato dregs 14 parts, ammonium polyphosphate 1 part).
Calendering process: with embodiment 1.
Performance index: oxygen index is 35, smoke suppressing is 72, mechanical performance index: tensile strength is 11.2MPa, and elongation at break is 376%.
Embodiment 4
Basic recipe: EPDM/PP 100 parts (1:1); Antioxidant ZnO 1 part; TM monex TM 0.8 part; Lubricate EBS 1 part; Vulcanizing agent (sulphur) 0.8 part; Fire retardant 20 parts (waste potato dregs 19.05 parts, ammonium polyphosphate 0.95 part).
Calendering process: with embodiment 1.
Performance index: oxygen index is 32.6, smoke suppressing is 71, mechanical performance index: tensile strength is 10.8MPa, and elongation at break is 320%.
Embodiment 5
Basic recipe: EPDM/PP 100 parts (3:2); Antioxidant ZnO 0.6 part; TM monex TM 0.59 part; Lubricate EBS 0.63 part; Vulcanizing agent (sulphur) 0.61 part; Fire retardant 14 parts (waste potato dregs 12 parts, ammonium polyphosphate 2 parts).
Calendering process: with embodiment 1.
Performance index: oxygen index is 31.5, smoke suppressing 74, mechanical performance index: tensile strength is 11.9MPa, elongation at break is 341%.
Claims (6)
1. a halogen-free flame-retardant EPT rubber matrix material is with terpolymer EP rubber, polypropylene for matrix, and with the mixture of waste potato dregs and ammonium polyphosphate for compound flame retardant, technique is mixing routinely forms;
Described waste potato dregs is that the waste potato dregs that yam starch source mill is discarded is dried to constant weight at 60 ~ 80 DEG C, pulverizes, the potato ground-slag obtained after crossing 300 mesh sieves; In compound flame retardant, the mass ratio of waste potato dregs and ammonium polyphosphate is 20:1 ~ 1:1;
The mass ratio of described matrix and compound flame retardant is 10:1 ~ 5:1.
2. halogen-free flame-retardant EPT rubber matrix material as claimed in claim 1, it is characterized in that: in described matrix, terpolymer EP rubber and polyacrylic mass ratio are 4:1 ~ 1:1.
3. halogen-free flame-retardant EPT rubber matrix material as claimed in claim 1, is characterized in that: the antioxidant also adding substrate quality 0.1 ~ 1% in raw material.
4. halogen-free flame-retardant EPT rubber matrix material as claimed in claim 1, is characterized in that: the promotor of also adding substrate quality 0.4 ~ 0.8% in raw material.
5. halogen-free flame-retardant EPT rubber matrix material as claimed in claim 1, is characterized in that: the lubricant also adding substrate quality 0.1 ~ 1% in raw material.
6. halogen-free flame-retardant EPT rubber matrix material as claimed in claim 1, is characterized in that: the vulcanizing agent also adding substrate quality 0.4 ~ 0.8% in raw material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310232834.0A CN103275403B (en) | 2013-06-13 | 2013-06-13 | Preparation method of halogen-free flame retardant EPDM (ethylene propylene diene monomer)/PP (polypropylene) composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310232834.0A CN103275403B (en) | 2013-06-13 | 2013-06-13 | Preparation method of halogen-free flame retardant EPDM (ethylene propylene diene monomer)/PP (polypropylene) composite material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103275403A CN103275403A (en) | 2013-09-04 |
| CN103275403B true CN103275403B (en) | 2015-07-15 |
Family
ID=49058039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310232834.0A Expired - Fee Related CN103275403B (en) | 2013-06-13 | 2013-06-13 | Preparation method of halogen-free flame retardant EPDM (ethylene propylene diene monomer)/PP (polypropylene) composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103275403B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104017264B (en) * | 2014-06-20 | 2016-04-13 | 西北师范大学 | The preparation of halogen-free low-smoke Cross-linked Polyethylene Composites |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101205338A (en) * | 2006-12-20 | 2008-06-25 | 上海日之升新技术发展有限公司 | Preparation of halogen-free flame retardant thermoplastic elastomer material |
-
2013
- 2013-06-13 CN CN201310232834.0A patent/CN103275403B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101205338A (en) * | 2006-12-20 | 2008-06-25 | 上海日之升新技术发展有限公司 | Preparation of halogen-free flame retardant thermoplastic elastomer material |
Non-Patent Citations (1)
| Title |
|---|
| 用CONG/TG研究含淀粉膨胀阻燃聚丙烯体系的阻燃和烟释放;李斌等;《高分子材料科学与工程》;20000930;第16卷(第5期);146-149 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103275403A (en) | 2013-09-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109627601B (en) | Polypropylene composite material and preparation method thereof | |
| CN104558868B (en) | Preparation method of corrosion-resistant flame-retardant cable rubber material | |
| CN103172938B (en) | Preparation method of non-halogen flame-retardant ethylene propylene diene monomer-polypropylene composite material | |
| CN101220183A (en) | Environment-protection flame-proof electrostatic resistance polypropylene material and method for producing the same | |
| CN109401085A (en) | A kind of EPT rubber packing item and preparation method thereof | |
| CN109486473B (en) | Multifunctional phase-change composite material and preparation method thereof | |
| WO2021129217A1 (en) | Low-smoke and halogen-free building wire and cable material, and preparation method therefor | |
| CN103613854A (en) | Fire retardation electric cable insulation material and preparation method thereof | |
| CN103834107B (en) | A kind of modified lignin resin expandable flame retardant TPO matrix material and its preparation method and application | |
| CN110577706A (en) | Halogen-free flame-retardant ethylene propylene diene monomer rubber for sealing strip and preparation method thereof | |
| CN112321955A (en) | Environment-friendly flame-retardant insulating rubber composite material and preparation method thereof | |
| CN109251402A (en) | Fire-retardant electromagnetic shielding thermoplastic elastomer (TPE) nanocomposite of one kind and preparation method thereof | |
| CN105273267A (en) | Environment-friendly low-smoke flame-retardant rubber composition as well as preparation method and application of environment-friendly low-smoke flame-retardant rubber composition | |
| CN101205338A (en) | Preparation of halogen-free flame retardant thermoplastic elastomer material | |
| CN104910466A (en) | Neoprene material | |
| CN110564058B (en) | Green intumescent flame-retardant polypropylene and preparation method thereof | |
| CN104017264B (en) | The preparation of halogen-free low-smoke Cross-linked Polyethylene Composites | |
| CN103275403B (en) | Preparation method of halogen-free flame retardant EPDM (ethylene propylene diene monomer)/PP (polypropylene) composite material | |
| CN104262875B (en) | Intumescent flame-retardant cable material taking plant-based active carbon as synergist and preparation method thereof | |
| CN106751055A (en) | A kind of high temperature resistant anti-aging rubber and its application | |
| CN110885504A (en) | Sealing strip suitable for glass curtain wall frame and production process thereof | |
| CN111117016A (en) | Low-corrosivity rubber and plastic product and preparation method thereof | |
| WO2022001016A1 (en) | Flame-retardant abs composition and preparation method therefor | |
| CN107383750B (en) | High-strength engineering plastic and preparation method thereof | |
| CN103044864A (en) | Flame-retardant PET (Polythylene Terephthalate) material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180809 Address after: 730000 Gansu province Lanzhou Anning District Sha Jing Yi Street, Hewan village Lantau Peak Li Huang ditch. Patentee after: Lanzhou Haixi Plastic Mould Manufacturing Co.,Ltd. Address before: 730070 No. 967 Ning Ning Road, Anning District, Lanzhou, Gansu Patentee before: Northwest Normal University |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 |