CN104140586A - Halogen-free flame retardant poe material and preparation method thereof - Google Patents

Halogen-free flame retardant poe material and preparation method thereof Download PDF

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Publication number
CN104140586A
CN104140586A CN201410391702.7A CN201410391702A CN104140586A CN 104140586 A CN104140586 A CN 104140586A CN 201410391702 A CN201410391702 A CN 201410391702A CN 104140586 A CN104140586 A CN 104140586A
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halogen
ammonium polyphosphate
poe
free flameproof
antioxidant
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CN201410391702.7A
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CN104140586B (en
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周健
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NANTONG XINGHUA DAGAO INDUSTRIAL Co Ltd
Jiangsu University of Technology
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Jiangsu University of Technology
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Priority to CN201610259600.9A priority Critical patent/CN105694199B/en
Priority to CN201610262417.4A priority patent/CN105778264B/en
Priority to CN201610259360.2A priority patent/CN105860239B/en
Priority to CN201410391702.7A priority patent/CN104140586B/en
Priority to CN201610259409.4A priority patent/CN105733085B/en
Publication of CN104140586A publication Critical patent/CN104140586A/en
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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
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/32—Phosphorus-containing compounds
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/13—Phenols; Phenolates
    • C08K5/134—Phenols containing ester groups
    • C08K5/1345—Carboxylic esters of phenolcarboxylic acids
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
    • C08K5/3477—Six-membered rings
    • C08K5/3492—Triazines
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
    • C08K5/3477—Six-membered rings
    • C08K5/3492—Triazines
    • C08K5/34924—Triazines containing cyanurate groups; Tautomers thereof
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
    • C08K5/3477—Six-membered rings
    • C08K5/3492—Triazines
    • C08K5/34928—Salts
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/49—Phosphorus-containing compounds
    • C08K5/51—Phosphorus bound to oxygen
    • C08K5/52—Phosphorus bound to oxygen only
    • C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
    • C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
    • 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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/32—Phosphorus-containing compounds
    • C08K2003/321—Phosphates
    • C08K2003/322—Ammonium phosphate
    • C08K2003/323—Ammonium polyphosphate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/02—Flame or fire retardant/resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/22—Halogen free composition

Abstract

The invention discloses a halogen-free flame retardant POE material and a preparation method thereof. The halogen-free flame retardant POE material is prepared from the following components in parts by weight: 100 parts of POE resin, 25-60 parts of halogen-free composite flame-retardant and 0.1-1.0 part of antioxidant. The halogen-free composite flame-retardant is prepared from active ammonium polyphosphate (APP), melamine cyanurate (MCA) and tri-(2-hydroxyethyl) isocyanate in a weight ratio of 100 to (8-20) to (8-20). The antioxidant is a composite antioxidant composed of antioxidant 1010 and antioxidant 168 in a weight ratio of 1 to 1-1 to 3. The halogen-free flame-retardant POE material has a relatively good flame retardance effect (the oxygen index is more than 30 and the burning behaviour-vertical is V-0 grade), a relatively high mechanical performance and relatively good heat aging resistance, wherein the elongation at break can be over 850 percent.

Description

Halogen-free flameproof POE material and preparation method thereof
Technical field
The present invention relates to a kind of macromolecular material and preparation method thereof, be specifically related to a kind of halogen-free flameproof POE material and preparation method thereof.
Background technology
POE resin is that the new type polyolefin elastomerics that metallocene is polymerization catalyst be take in U.S. DOW chemical company, it has the advantages such as cheap, forming process is easy with respect to other polyolefin elastomers, is widely used in the fields such as automobile, electronic apparatus, building sealing, sports equipment and polymer toughening modification.
POE belongs to inflammable material, and along with being on the increase of its application, it is flame-retardant modified imperative that it is carried out.
Chinese patent literature CN102585346A discloses a kind of halogen-free flameproof POE matrix material, this halogen-free flameproof POE matrix material is made by POE resin, Halogenless composite fire retardant, properties-correcting agent, lubrication dispersing agent and oxidation inhibitor, wherein Halogenless composite fire retardant is comprised of active hydrogen magnesium oxide/active aluminium hydroxide and zinc borate and microcapsule red phosphorus, and oxidation inhibitor is single antioxidant 1010.The deficiency of this halogen-free flameproof POE matrix material is: (1) obtains good flame retardant effect with the amount of flame-retardant agent higher than POE consumption, make like this mechanical property of POE matrix material reduce, need properties-correcting agent to improve material mechanical performance, make the proportion of POE matrix material increase simultaneously, further increased production cost.(2) in the situation that being added with properties-correcting agent, elongation at break is lower (lower than 650%) still, thereby application is subject to certain restrictions.(3) heat-resistant aging is not good, aging 168h at 80 ℃, and tensile strength velocity of variation is greater than 10%, and elongation at break velocity of variation is greater than 15% especially.
Summary of the invention
One of object of the present invention is to address the above problem, and provides a kind of in the good while of flame retardant effect, and production cost is lower, mechanical property is better and without the halogen-free flameproof POE material of any properties-correcting agent.
Another object of the present invention is to provide the preparation method of above-mentioned halogen-free flameproof POE material.
The technical scheme that realizes one of the object of the invention is: a kind of halogen-free flameproof POE material, and it is to be made by the component of following weight parts: 100 parts of POE resins, 25～60 parts of Halogenless composite fire retardants, 0.1～1.0 part, oxidation inhibitor; Preferably POE resin is 100 parts, 35～40 parts of Halogenless composite fire retardants, 0.2～0.5 part, oxidation inhibitor.
Described Halogenless composite fire retardant is comprised of according to 100: 8～20: 8～20 weight ratio active ammonium polyphosphate (APP), melamine cyanurate (MCA) and three (2-hydroxyethyl) chlorinated isocyanurates.
Described active ammonium polyphosphate is to be obtained by silane coupler modified ammonium polyphosphate, and wherein the weight ratio of ammonium polyphosphate and silane coupling agent is 100: 2～100: 4.
In order to improve the heat-resistant aging of halogen-free flameproof POE material, the composite antioxidant that described oxidation inhibitor is preferably comprised of according to the weight ratio of 1: 1～1: 3 antioxidant 1010 and irgasfos 168.
The technical scheme that realizes another object of the present invention is: the preparation method of above-mentioned halogen-free flameproof POE material, there are following steps: 1. the POE resin taking according to formula, active ammonium polyphosphate, melamine cyanurate, three (2-hydroxyethyl) chlorinated isocyanurates and oxidation inhibitor are poured in high-speed mixer and mixed, until mix the heat of friction producing, make temperature of charge be increased to 65 ℃～75 ℃, discharging is cooling; 2. cooled mixture is sent in twin screw extruder and is melt extruded, the billot of extruding is cooling through tank, traction enters dicing machine granulation, obtains halogen-free flameproof POE material.
The oxidation inhibitor of above-mentioned steps described in is 1. the composite antioxidant being comprised of according to the weight ratio of 1: 1～1: 3 antioxidant 1010 and irgasfos 168.
The active ammonium polyphosphate of above-mentioned steps described in is 1. to be obtained by silane coupler modified ammonium polyphosphate, and wherein the weight ratio of ammonium polyphosphate and silane coupling agent is 100: 2～100: 4.Its preparation method is: according to proportioning, ammonium polyphosphate is poured in high-speed mixer and mixed with silane coupling agent, until mix the heat of friction producing, make temperature of charge be increased to 70 ℃～100 ℃, discharging is cooling, obtains active ammonium polyphosphate.
Above-mentioned steps 2. in, the temperature in each district of twin screw extruder is: T 1=80 ℃～85 ℃, T 2=85 ℃～90 ℃, T 3=90 ℃～100 ℃, T 4=100～110 ℃, T 5=110～120 ℃, T 6=120～130 ℃, T 7=130～140 ℃, T 8=140～145 ℃, T 9=130～140 ℃, T mould=135～140 ℃.
The positively effect that the present invention has: (1) halogen-free flameproof POE of the present invention material adopts active ammonium polyphosphate, melamine cyanurate and three (2-hydroxyethyl) chlorinated isocyanurates to form Halogen composite flame retardant system, (oxygen index is greater than 30 to adopt this Halogen composite flame retardant system only to need less consumption can obtain good flame retardant effect, vertical combustion V-0 level), thereby reduced production cost, material still has higher mechanical property without properties-correcting agent in the situation that in addition, especially elongation at break can reach more than 850%, thereby has application more widely.(2) halogen-free flameproof POE material of the present invention adopts Hinered phenols antioxidant 1010 and phosphite ester kind antioxidant 168 to form composite antioxidant, can greatly improve the heat-resistant aging of material like this, aging 168h at 80 ℃, the velocity of variation of tensile strength and elongation at break is all less than 5%.
Embodiment
(embodiment 1)
The halogen-free flameproof POE material of the present embodiment is made by the component of following weight:
The POE resin of 100kg, the active ammonium polyphosphate of 28kg, the melamine cyanurate of 4kg, three (2-hydroxyethyl) chlorinated isocyanurates, the antioxidant 1010 of 0.1kg and irgasfos 168 of 0.3kg of 4kg.
The preparation method of above-mentioned halogen-free flameproof POE material has following steps:
1. it is to mix 6min in 900 revs/min of high-speed mixers that the silane coupling agent that the trade mark of first ammonium polyphosphate of 200kg being produced with the sincere Chemical Co., Ltd. of Nanjing Olympic of 5kg is KH-560 is poured rotating speed into, now mixing the heat of friction producing makes temperature of charge be increased to 85 ℃, discharging is cooling, obtains active ammonium polyphosphate.
By the above-mentioned active ammonium polyphosphate making of 28kg with the POE resin of 100kg, three (2-hydroxyethyl) chlorinated isocyanurates, the antioxidant 1010 of 0.1kg and the irgasfos 168 of 0.3kg of the melamine cyanurate of 4kg, 4kg are poured rotating speed into is to mix in the high-speed mixer of 900 revs/min, until mix the heat of friction producing, make temperature of charge be increased to 70 ℃ (now fire retardant and oxidation inhibitor all adhere to POE particle surface), discharging is cooled to room temperature (15 ℃～25 ℃).
2. cooled mixture is sent in twin screw extruder and is melt extruded; The billot of extruding is cooling through tank, traction enters dicing machine granulation, obtains halogen-free flameproof POE material.
The temperature in each district of twin screw extruder is: T 1=80 ℃～85 ℃, T 2=85 ℃～90 ℃, T 3=90 ℃～100 ℃, T 4=100～110 ℃, T 5=110～120 ℃, T 6=120～130 ℃, T 7=130～140 ℃, T 8=140～145 ℃, T 9=130～140 ℃, T mould=135～140 ℃.
(embodiment 2～embodiment 6)
The preparation method of each embodiment is identical with embodiment 1, and difference is the weight proportion of each component, specifically in Table 1.
Table 1
? Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4 Embodiment 5 Embodiment 6
POE resin 100kg 100kg 100kg 100kg 100kg 100kg
Active ammonium polyphosphate 28kg 30kg 32kg 30kg 28kg 28kg
Melamine cyanurate 4kg 3kg 4kg 5kg 4kg 4kg
Three (2-hydroxyethyl) chlorinated isocyanurates 4kg 4kg 4kg 5kg 4kg 4kg
Antioxidant 1010 0.1kg 0.1kg 0.2kg 0.1kg 0.2kg -
Irgasfos 168 0.1kg 0.2kg 0.3kg 0.2kg - 0.2kg
(application examples)
The halogen-free flameproof POE material that embodiment 1～embodiment 6 is made joins the pulling-on piece of plasticating in two roller mills, compression molding on tabletting machine, adopt plastics standard test specimen sampling machine to produce standard test specimen, and by national standard, this standard test specimen is carried out to the mechanical property after its mechanical property of experimental test and flame retardant properties and 80 ℃ of aging 168h, test result is in Table 2.
Table 2
Test performance Embodiment 1 Embodiment 2 Embodiment 3 Embodiment 4 Embodiment 5 Embodiment 6
Tensile strength/Mpa 12.6 13.0 13.2 12.8 12.1 12.2
Elongation at break/% 907 870 868 884 850 845
Oxygen index/% 31 33 34 36 31 31
Vertical combustion V-0 V-0 V-0 V-0 V-0 V-0
After tensile strength/MPa(is aging) 12.8 13.1 13.4 12.5 11.1 11.2
After elongation at break/%(is aging) 875 856 845 872 761 765
(comparative example 1～comparative example 5)
The preparation method of each comparative example is identical with embodiment 1, and difference is the weight proportion of Halogenless composite fire retardant, specifically in Table 3.
Table 3
? Comparative example 1 Comparative example 2 Comparative example 3 Comparative example 4 Comparative example 5
POE resin 100kg 100kg 100kg 100kg 100kg
Active ammonium polyphosphate 14kg 56kg 28kg 28kg 28kg
Melamine cyanurate 2kg 8kg 4kg - -
Three (2-hydroxyethyl) chlorinated isocyanurates 2kg 8kg - 4kg -
Antioxidant 1010 0.1kg 0.1kg 0.1kg 0.1kg 0.1kg
Irgasfos 168 0.1kg 0.1kg 0.1kg 0.1kg 0.1kg
(comparative example 6)
This comparative example is the halogen-free flameproof POE matrix material that the embodiment 1 of Chinese patent literature CN102585346A makes.
(contrast application examples)
The halogen-free flameproof POE material that comparative example 1～comparative example 6 is made joins the pulling-on piece of plasticating in two roller mills, compression molding on tabletting machine, adopt plastics standard test specimen sampling machine to produce standard test specimen, and by national standard, this standard test specimen is carried out to the mechanical property after its mechanical property of experimental test and flame retardant properties and 80 ℃ of aging 168h, test result is in Table 4.
Table 4
Test performance Comparative example 1 Comparative example 2 Comparative example 3 Comparative example 4 Comparative example 5 Comparative example 6
Tensile strength/MPa 13.6 10.1 12.1 12.2 12.2 12.6
Elongation at break/% 930 730 832 830 810 650
Oxygen index/% 28 36 30 30 29 31.5
Vertical combustion V-2 V-0 V-1 V-1 V-1 V-0
After tensile strength/MPa(is aging) 13.1 10.4 11.7 12.5 11.8 11.1
After elongation at break/%(is aging) 902 705 801 801 794 540

Claims (10)

1. a halogen-free flameproof POE material, is characterized in that it is to be made by the component of following weight parts:
100 parts of POE resins, 25～60 parts of Halogenless composite fire retardants, 0.1～1.0 part, oxidation inhibitor;
Described Halogenless composite fire retardant is comprised of according to 100: 8～20: 8～20 weight ratio active ammonium polyphosphate, melamine cyanurate and three (2-hydroxyethyl) chlorinated isocyanurates.
2. halogen-free flameproof POE material according to claim 1, is characterized in that it is to be made by the component of following weight parts: 100 parts of POE resins, 35～40 parts of Halogenless composite fire retardants, 0.2～0.5 part, oxidation inhibitor.
3. halogen-free flameproof POE material according to claim 1 and 2, is characterized in that: the composite antioxidant of described oxidation inhibitor for being comprised of according to the weight ratio of 1: 1～1: 3 antioxidant 1010 and irgasfos 168.
4. halogen-free flameproof POE material according to claim 1 and 2, is characterized in that: described active ammonium polyphosphate is to be obtained by silane coupler modified ammonium polyphosphate, and wherein the weight ratio of ammonium polyphosphate and silane coupling agent is 100: 2～100: 4.
5. halogen-free flameproof POE material according to claim 3, is characterized in that: described active ammonium polyphosphate is to be obtained by silane coupler modified ammonium polyphosphate, and wherein the weight ratio of ammonium polyphosphate and silane coupling agent is 100: 2～100: 4.
6. a preparation method for the halogen-free flameproof POE material described in claim 1 or 2, is characterized in that having following steps:
1. the POE resin taking according to formula, active ammonium polyphosphate, melamine cyanurate, three (2-hydroxyethyl) chlorinated isocyanurates and oxidation inhibitor are poured in high-speed mixer and mixed, until mix the heat of friction producing, make temperature of charge be increased to 65 ℃～75 ℃, discharging is cooling;
2. cooled mixture is sent in twin screw extruder and is melt extruded, the billot of extruding is cooling through tank, traction enters dicing machine granulation, obtains halogen-free flameproof POE material.
7. the preparation method of halogen-free flameproof POE material according to claim 6, is characterized in that: the composite antioxidant of the oxidation inhibitor of step described in 1. for being comprised of according to the weight ratio of 1: 1～1: 3 antioxidant 1010 and irgasfos 168.
8. the preparation method of halogen-free flameproof POE material according to claim 7, it is characterized in that: the active ammonium polyphosphate of step described in is 1. to be obtained by silane coupler modified ammonium polyphosphate, and wherein the weight ratio of ammonium polyphosphate and silane coupling agent is 100: 2～100: 4.
9. the preparation method of halogen-free flameproof POE material according to claim 8, it is characterized in that: described active ammonium polyphosphate preparation method is: according to proportioning, ammonium polyphosphate is poured in high-speed mixer and mixed with silane coupling agent, until mix the heat of friction producing, make temperature of charge be increased to 70 ℃～100 ℃, discharging is cooling, obtains active ammonium polyphosphate.
10. the preparation method of halogen-free flameproof POE material according to claim 6, is characterized in that: step 2. in, the temperature in each district of twin screw extruder is: T 1=80 ℃～85 ℃, T 2=85 ℃～90 ℃, T 3=90 ℃～100 ℃, T 4=100～110 ℃, T 5=110～120 ℃, T 6=120～130 ℃, T 7=130～140 ℃, T 8=140～145 ℃, T 9=130～140 ℃, T mould=135～140 ℃.
CN201410391702.7A 2014-08-11 2014-08-11 Halogen-free flameproof POE material and preparation method thereof Active CN104140586B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201610259600.9A CN105694199B (en) 2014-08-11 2014-08-11 Halogen-free flame-retardant POE material
CN201610262417.4A CN105778264B (en) 2014-08-11 2014-08-11 Preparation method of halogen-free flame-retardant POE material
CN201610259360.2A CN105860239B (en) 2014-08-11 2014-08-11 Halogen-free flame-retardant POE material and preparation method thereof
CN201410391702.7A CN104140586B (en) 2014-08-11 2014-08-11 Halogen-free flameproof POE material and preparation method thereof
CN201610259409.4A CN105733085B (en) 2014-08-11 2014-08-11 Halogen-free flame-retardant POE material

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CN201610259360.2A Division CN105860239B (en) 2014-08-11 2014-08-11 Halogen-free flame-retardant POE material and preparation method thereof
CN201610259409.4A Division CN105733085B (en) 2014-08-11 2014-08-11 Halogen-free flame-retardant POE material

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CN110157040A (en) * 2019-05-31 2019-08-23 安徽理工大学 A kind of fire-retardant carbon forming agent of expansible and preparation method thereof
CN112309627A (en) * 2020-07-14 2021-02-02 东莞市中振新能源科技有限公司 Flame-retardant silica gel texture wire, processing equipment and processing method thereof

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CN111409332A (en) * 2020-05-12 2020-07-14 江阴市神鹿塑胶有限公司 Preparation formula and preparation method of high-polymer composite waterproof coiled material

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