CN114106462A - High-modulus automotive interior flame-retardant PP material and preparation method thereof - Google Patents

High-modulus automotive interior flame-retardant PP material and preparation method thereof Download PDF

Info

Publication number
CN114106462A
CN114106462A CN202111554672.3A CN202111554672A CN114106462A CN 114106462 A CN114106462 A CN 114106462A CN 202111554672 A CN202111554672 A CN 202111554672A CN 114106462 A CN114106462 A CN 114106462A
Authority
CN
China
Prior art keywords
flame retardant
retardant
aluminum hydroxide
parts
preparation
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.)
Pending
Application number
CN202111554672.3A
Other languages
Chinese (zh)
Inventor
王波
岑忠于
孙潇
董利春
卢金金
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Ruilong New Mstar Technology Ltd
Original Assignee
Ningbo Ruilong New Mstar Technology Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ningbo Ruilong New Mstar Technology Ltd filed Critical Ningbo Ruilong New Mstar Technology Ltd
Priority to CN202111554672.3A priority Critical patent/CN114106462A/en
Publication of CN114106462A publication Critical patent/CN114106462A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • 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
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2217—Oxides; Hydroxides of metals of magnesium
    • C08K2003/2224—Magnesium hydroxide
    • 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
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • 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
    • C08K3/38—Boron-containing compounds
    • C08K2003/387—Borates
    • 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

Abstract

The application relates to the field of preparation of automotive interior materials, and particularly discloses a high-modulus automotive interior flame-retardant PP material and a preparation method thereof. The high-modulus flame-retardant PP material for the automotive interior is prepared from the following raw materials in parts by weight: 70-80 parts of polypropylene PP particles, 10-16 parts of inorganic composite flame retardant, 6-8 parts of linear ethylene-octene copolymer, 10-15 parts of talcum powder and 1.2 parts of antioxidant; the inorganic composite flame retardant is prepared by compounding modified nano aluminum hydroxide, micron magnesium hydroxide and zinc borate at a certain ratio, the synergistic effect of the modified nano aluminum hydroxide, the micron magnesium hydroxide and the zinc borate is fully exerted, and the flame retardant effect of the PP material for the automotive trim is improved; the preparation method comprises the following steps: and mixing, extruding, melting, granulating and drying the raw materials with corresponding weight to obtain the PP flame-retardant material for the automotive interior. The PP material for the automotive interior has the advantages of excellent flame retardance and high modulus; in addition, the preparation method has the advantages of simple preparation process and suitability for industrial production.

Description

High-modulus automotive interior flame-retardant PP material and preparation method thereof
Technical Field
The application relates to the field of preparation of automotive interior materials, in particular to a high-modulus automotive interior flame-retardant PP material and a preparation method thereof.
Background
Automotive interior mainly indicates the automobile product that the inside repacking of car was used, involves the square face of car inside, for example car steering wheel cover, car cushion, car callus on the sole, car perfume, car pendant, inside goods of furniture for display rather than for use, containing box etc..
The requirements for flame retardancy of automotive interior parts are becoming increasingly stringent. Meanwhile, the VOC requirement of the automotive interior parts is a problem which needs to be solved by various automotive host factories. Automobile interior parts such as door panels, pillars, threading pipes, handles, ceilings, center consoles and the like are mostly made of PP materials. The flame retardance of the PP material is mostly a halogen-containing flame-retardant system, but the PP material is not suitable for being used in automotive interior parts due to the problems of easy precipitation, large smell, easy aging and the like; inorganic flame retardants such as aluminum hydroxide and magnesium hydroxide have good chemical stability, are not easy to volatilize, have low toxicity or are non-toxic, do not generate harmful gases such as corrosion and the like, and are environment-friendly, but generally can generate good flame retardant effect only by high filling amount.
In view of the above-mentioned related art, the inventors considered that aluminum hydroxide and magnesium hydroxide have a disadvantage of poor flame retardant effect when used as a flame retardant for an automotive interior PP material.
Disclosure of Invention
In order to solve the problem that when aluminum hydroxide and magnesium hydroxide are used as flame retardants to be applied to automotive interior PP materials, the flame retardant effect is poor, the application provides a high-modulus automotive interior flame retardant PP material and a preparation method thereof.
The application provides a high-modulus automotive interior flame-retardant PP material, adopts following technical scheme:
the high-modulus flame-retardant PP material for the automotive interior is prepared from the following raw materials in parts by weight: 70-80 parts of polypropylene PP particles, 10-16 parts of inorganic composite flame retardant, 6-8 parts of linear ethylene-octene copolymer, 10-15 parts of talcum powder and 1.2 parts of antioxidant;
the preparation method of the inorganic composite flame retardant comprises the following steps:
stirring and heating the nano aluminum hydroxide powder, adding a coupling agent into the nano aluminum hydroxide powder, and fully coupling and modifying the nano aluminum hydroxide to obtain modified nano aluminum hydroxide;
mixing the obtained modified nano aluminum hydroxide with the micron magnesium hydroxide and the zinc borate according to the weight ratio of (1-5): (6-8): 1, mixing and stirring uniformly to prepare the inorganic composite flame retardant.
By adopting the technical scheme, the modified nano aluminum hydroxide has excellent compatibility and high decomposition speed; the micron magnesium hydroxide has large surface polarity, slow decomposition speed, good flame retardant effect and poor compatibility; after the two materials are compounded, the modified nano aluminum hydroxide can rapidly exert the effect, the micro magnesium hydroxide can continuously exert the effect for a long time, the quick effect and the long effect are combined, and the formed inorganic composite flame retardant has the high-efficiency and smokeless effect under the auxiliary action of zinc borate, so that the flame retardance of the flame-retardant PP material for the automotive trim is improved;
the talcum powder is used as an inorganic filler, so that the rigidity and toughness of the polypropylene composite material can be improved; the linear ethylene-octene copolymer is used as a toughening agent of the polypropylene composite material to reduce the brittleness of the composite material and improve the impact resistance of the material; the talcum powder and the linear ethylene-octene copolymer improve the mechanical property of the flame-retardant PP material for the automotive interior under the common condition, so that the flame-retardant PP material has high modulus;
optionally, the addition amount of the coupling agent is 0.5-3% of the weight of the nano aluminum hydroxide powder.
By adopting the technical scheme, the addition amount of the coupling agent is optimized, so that the dispersity of the modified nano aluminum hydroxide is better, and the flame retardant property and the mechanical property of the flame retardant PP material for the automotive interior are improved.
Optionally, the coupling agent comprises one of dimethicone, linear dimethicone, and sodium oleate.
Optionally, the heating temperature of the nano aluminum hydroxide powder is 100-130 ℃.
By adopting the technical scheme, the heating temperature of the nano aluminum hydroxide powder is optimized, so that the nano aluminum hydroxide powder is mixed with the micron magnesium hydroxide and the zinc borate more uniformly, and the synergistic effect of the inorganic composite flame retardant is improved.
Optionally, the antioxidant comprises a primary antioxidant and an auxiliary antioxidant, the primary antioxidant is dioctadecyl thiodipropionate, the auxiliary antioxidant is trimethylene phosphate, and the weight ratio of the dioctadecyl thiodipropionate to the trimethylene phosphate is 1: (1-3).
By adopting the technical scheme, the dioctadecyl thiodipropionate can effectively prevent the thermal oxidation degradation of polypropylene in the long-term aging process, has synergistic effect when being used together with the triphosphite, can effectively improve the anti-aging comprehensive capability of the PP material of the automotive trim by combining the dioctadecyl thiodipropionate and the triphosphite, and can effectively prolong the service life of the flame-retardant PP material of the automotive trim.
Optionally, the raw materials also comprise 0.2-0.5 weight part of auxiliary agent.
By adopting the technical scheme, the auxiliary agent has strong compatibility with the PP base material, low diffusion speed and good polarity, and is beneficial to prolonging the service life of the automotive interior flame-retardant PP material.
Optionally, the raw material further comprises 0.3-0.5 weight part of inorganic toner.
By adopting the technical scheme, under the condition of meeting the requirement of environmental protection, the addition of the inorganic toner is beneficial to improving the commercial value of a product made of the flame-retardant PP material for the automotive interior.
In a second aspect, the application provides a preparation method of a high-modulus flame-retardant PP material for automotive interiors, which adopts the following technical scheme:
a preparation method of a high-modulus flame-retardant PP material for automotive interiors comprises the following steps:
mixing the raw materials with corresponding weight to form a mixture;
extruding, melting and granulating the mixture to obtain master batches;
and drying the master batch to obtain the high-modulus PP flame-retardant material for the automotive interior.
By adopting the technical scheme, the prepared automobile interior flame-retardant PP material has excellent flame retardance and high modulus, can be better applied to automobile interiors, greatly improves the mechanical property of the automobile interiors, is simple in preparation process, does not need special equipment, and is suitable for industrial production.
Optionally, the raw materials are mixed by adopting a stirring mode, wherein the stirring speed is 300-400r/min, and the stirring time is 5-10 min.
Optionally, in the master batch drying process, the drying temperature is 85-90 ℃, and the drying time is 2-3 h.
By adopting the technical scheme, the stirring speed, the stirring time, the drying temperature and the drying time are optimized, and the preparation of the PP flame-retardant material for the automotive interior is facilitated.
In summary, the present application has the following beneficial effects:
1. because the inorganic composite flame retardant formed by compounding the modified nano aluminum hydroxide and the micron aluminum hydroxide under the assistance of the zinc borate belongs to a halogen-free flame retardant, the inorganic composite flame retardant is non-toxic and can avoid toxic smoke generated when a halogen-containing flame-retardant high polymer material is combusted, and the excellent flame-retardant effect of the automotive interior flame-retardant PP material is obtained under the full play of the flame-retardant synergistic effect of the aluminum hydroxide and the magnesium hydroxide;
2. according to the application, the talcum powder is added into the PP material as an inorganic filler, so that the production cost of the PP material is reduced, and the rigidity and toughness of the polypropylene composite material can be improved; the linear ethylene-octene copolymer is used as a toughening agent of the PP material, so that the brittleness of the composite material is reduced and the impact resistance is improved; the talcum powder and the linear ethylene-octene copolymer enable the automotive interior flame-retardant PP material to have high modulus performance and excellent impact resistance under the common condition;
3. the dioctadecyl thiodipropionate is preferably used as a main antioxidant, the trimethylene phosphate is preferably used as an auxiliary antioxidant, and the dioctadecyl thiodipropionate and the trimethylene phosphate have a synergistic effect, so that the service life of the flame-retardant PP material for the automotive interior is effectively prolonged.
Detailed Description
The present application is described in further detail below with reference to preparation examples and examples.
Among the relevant raw materials used in the preparation examples and examples:
the model of the polypropylene PP particles is GB303 HP; the average grain diameter of the nano aluminum hydroxide is less than or equal to 80 nm; the average grain diameter of the micron magnesium hydroxide is 1-10 μm; the density of the linear ethylene-octene copolymer was 0.88g/cm38137; the average grain diameter of the talcum powder is 0.1-2 μm; the trade name of the dioctadecyl thiodipropionate is 123-28-4; the grade of the triphosphite is KC-69; BASF scratch-resistant agent is selected as the auxiliary agent.
Preparation example
Preparation example 1
The preparation example prepares an inorganic composite flame retardant, and the specific method is as follows:
putting 100kg of nano aluminum hydroxide powder into a high-speed stirrer, uniformly stirring and heating to 100 ℃, and adding 0.5kg of dimethyl silicone oil into the nano aluminum hydroxide powder by adopting a spraying method to fully couple and modify the nano aluminum hydroxide to prepare modified nano aluminum hydroxide;
adding 600kg of micron magnesium hydroxide and 100kg of zinc borate into the modified nano aluminum hydroxide, and uniformly stirring to obtain the inorganic composite flame retardant.
Preparation example 2
The preparation example prepares an inorganic composite flame retardant, and the specific method is as follows:
placing 300kg of nano aluminum hydroxide powder in a high-speed stirrer, uniformly stirring and heating to 115 ℃, adding 4.5kg of linear polydimethylsiloxane into the nano aluminum hydroxide powder by adopting a spraying method, and fully coupling and modifying the nano aluminum hydroxide to prepare modified nano aluminum hydroxide;
adding 700kg of micron magnesium hydroxide and 100kg of zinc borate into the modified nano aluminum hydroxide, and uniformly stirring to obtain the inorganic composite flame retardant.
Preparation example 3
Putting 500kg of nano aluminum hydroxide powder into a high-speed stirrer, uniformly stirring and heating to 130 ℃, adding 15kg of sodium oleate into the nano aluminum hydroxide powder by adopting a spraying method, and fully coupling and modifying the nano aluminum hydroxide to prepare modified nano aluminum hydroxide;
adding 800kg of micron magnesium hydroxide and 100kg of zinc borate into the modified nano aluminum hydroxide, and uniformly stirring to obtain the inorganic composite flame retardant.
Examples
Examples 1 to 15
As shown in Table 1, the main difference between examples 1-15 is the different ratios of the raw materials of the PP material.
The following description will be given by taking example 1 as an example. The application discloses a high-modulus automotive interior flame-retardant PP material, which is implemented by the following specific formula: 70kg of polypropylene PP particles, 10kg of inorganic composite flame retardant, 6kg of linear ethylene-octene copolymer, 10kg of talcum powder, 0.6kg of stearyl thiodipropionate and 0.6kg of triphosphite, wherein the inorganic composite flame retardant is obtained in preparation example 2.
Example 1 a method for preparing a high modulus flame retardant PP material for automotive interiors is as follows:
weighing the raw materials according to the formula, placing the raw materials in a stirrer, and stirring for 10min at the stirring speed of 300r/min to fully mix the raw materials to form a mixture;
putting the mixture into a double-screw extruder, performing well melting extrusion, cooling and granulating to obtain master batches, wherein the temperature of each region of the screw is as follows: the first zone, the second zone 140-; rotating speed of the screw main machine: 220-350 r/min;
drying the master batch to obtain a high-modulus automotive interior flame-retardant PP material; wherein the drying temperature is 85 ℃ and the drying time is 3 h.
TABLE 1 blending ratio of raw materials in flame retardant PP materials for automotive interiors in examples 1 to 15
Figure BDA0003418205460000071
Figure BDA0003418205460000081
Example 16
This example is different from example 15 in that the inorganic composite flame retardant obtained in preparation example 1 was used.
Example 17
This example is different from example 15 in that the inorganic composite flame retardant obtained in preparation example 3 was used.
Example 18
The difference between the embodiment and the embodiment 15 is that in the preparation method, the stirring speed is 400r/min, and the stirring time is 5 min; the drying temperature is 90 deg.C, and the drying time is 2 min.
Comparative example
Comparative example 1
The difference between the comparative example and the example 2 is that the flame retardant in the PP material is completely modified nano aluminum hydroxide, and the addition amount of the flame retardant is 10 kg.
Comparative example 2
This comparative example differs from example 2 in that the flame retardant in the PP material is entirely micrometer magnesium hydroxide and its addition is 10 kg.
Comparative example 3
This comparative example differs from example 4 in that the amount of talc added is 0 kg.
Comparative example 4
This comparative example differs from example 4 in that the amount of talc added was 30 kg.
Comparative example 5
This comparative example is different from example 6 in that the linear ethylene-octene copolymer was added in an amount of 0 kg.
Comparative example 6
This comparative example differs from example 6 in that the linear ethylene-octene copolymer was added in an amount of 15 kg.
Performance test
The same weight of the automotive interior flame retardant PP materials obtained in examples 1 to 18 was used as test samples 1 to 18, and the same weight of the automotive interior flame retardant PP materials obtained in comparative examples 1 to 6 was used as control samples 1 to 6. The test sample and the control sample were subjected to performance measurement, and the results are shown in Table 2.
First, mechanical property
The mechanical property test is carried out under the conditions that the temperature is 25 ℃ and the humidity is 50 percent, and the test is as follows:
according to GB/T1040, 1/2-2006, corresponding test samples and control samples are subjected to tensile yield stress and tensile strain at break, data are recorded and analyzed, wherein the shape and the size of the test sample are 1B type;
according to GB/T9341-2008, the bending modulus test is carried out on the corresponding test sample and the corresponding reference sample, data is recorded and analyzed, wherein the size of the test sample is 80 multiplied by 10 multiplied by 4mm, and the test speed is 20 mm/min;
according to GB/T1843-2008, the cantilever beam notch impact strength test is carried out on the corresponding test sample and the corresponding control sample, data are recorded and analyzed, wherein the size of the test sample is 80X 10X 4mm, and the notch of the test sample is A type.
Second, flame retardant property
According to GB/T2406.2-2009, JF-3 type oxygen index tests are carried out on corresponding test samples and control samples, data are recorded and analyzed, and the sample size is 80X 6X 3 mm.
Table 2 table of performance testing data
Figure BDA0003418205460000101
Referring to table 2, by combining examples 2, 4 and 5 and comparative examples 1 and 2, it can be seen that the flame retardant added with single modified nano aluminum hydroxide and micro magnesium hydroxide has no flame retardant effect and mechanical property after being compounded, and has good flame retardant effect and high bending modulus on the PP material of the automotive interior; with the increasing of the adding amount of the inorganic composite flame retardant, the oxygen index of the PP material of the automotive trim is increased, and the flame retardance is improved.
Referring to table 2, combining examples 4, 6, and 7 and comparative examples 3 and 4, it can be seen that the greater the rigidity and toughness of the material, the worse the impact strength, as the amount of talc added as the filler is increased.
Referring to table 2, in combination with examples 6, 8, 9 and comparative examples 5 and 6, it can be seen that the impact strength of the test specimen can be effectively improved with the continuous addition of the toughening agent linear ethylene-octene copolymer; however, the addition of the linear ethylene-octene copolymer also results in a decrease in the rigidity and toughness of the specimen.
Referring to Table 2, in combination with examples 1-3, it can be seen that with the addition of PP polypropylene particles, the rigidity and toughness of the test specimens are improved, and the impact strength of the corresponding test specimens is reduced.
Referring to table 2, in combination with examples 8 and 10 to 15, it can be seen that the addition of the antioxidant, the BASF scratch-resistant agent and the inorganic toner in the PP material has little influence on the mechanical properties and the flame retardant properties of the sample.
Referring to table 2, in combination with examples 15-17, it can be seen that the inorganic composite flame retardant prepared by changing the compound ratio of the modified nano aluminum hydroxide, the micro magnesium hydroxide and the zinc borate, the stirring temperature of the modified nano aluminum hydroxide and the type and content of the coupling agent within a proper range has a good flame retardant effect; and the inorganic composite flame retardant prepared in preparation example 2 has excellent flame retardant performance on a sample.
Referring to table 2, in combination with examples 15 and 18, it can be seen that by varying the stirring speed, the stirring time, the drying temperature and the drying time in the preparation method within appropriate ranges, the obtained test specimens all have excellent mechanical properties and flame retardancy.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims (10)

1. The high-modulus flame-retardant PP material for the automotive interior is characterized by being prepared from the following raw materials in parts by weight: 70-80 parts of polypropylene PP particles, 10-16 parts of inorganic composite flame retardant, 6-8 parts of linear ethylene-octene copolymer, 10-15 parts of talcum powder and 1.2 parts of antioxidant;
the preparation method of the inorganic composite flame retardant comprises the following steps:
stirring and heating the nano aluminum hydroxide powder, adding a coupling agent into the nano aluminum hydroxide powder, and fully coupling and modifying the nano aluminum hydroxide to obtain modified nano aluminum hydroxide;
mixing the obtained modified nano aluminum hydroxide with the micron magnesium hydroxide and the zinc borate according to the weight ratio of (1-5): (6-8): 1, mixing and stirring uniformly to prepare the inorganic composite flame retardant.
2. The high modulus flame retardant PP material for automotive interiors according to claim 1, characterized in that: the addition amount of the coupling agent is 0.5-3% of the weight of the nano aluminum hydroxide powder.
3. The high modulus flame retardant PP material for automotive interiors according to claim 1, characterized in that: the coupling agent comprises one of simethicone, linear polydimethylsiloxane and sodium oleate.
4. The high modulus flame retardant PP material for automotive interiors according to claim 1, characterized in that: the heating temperature of the nano aluminum hydroxide powder is 100-130 ℃.
5. The high modulus flame retardant PP material for automotive interiors according to claim 1, characterized in that: the antioxidant comprises a main antioxidant and an auxiliary antioxidant, wherein the main antioxidant is dioctadecyl thiodipropionate, the auxiliary antioxidant is trimethylene phosphate, and the weight ratio of the dioctadecyl thiodipropionate to the trimethylene phosphate is 1: (1-3).
6. The high modulus flame retardant PP material for automotive interiors according to claim 1, characterized in that: the raw materials also comprise 0.2 to 0.5 weight part of auxiliary agent.
7. The high modulus flame retardant PP material for automotive interiors according to claim 6, characterized in that: the raw material also comprises 0.3-0.5 weight part of inorganic toner.
8. The preparation method of the high modulus flame retardant PP material for automotive interiors of any of claims 1 to 7, wherein: the method comprises the following steps:
mixing the raw materials with corresponding weight to form a mixture;
extruding, melting and granulating the mixture to obtain master batches;
and drying the master batch to obtain the high-modulus automotive interior flame-retardant PP material.
9. The preparation method of the high modulus PP flame retardant material for automotive interiors according to claim 8, characterized by comprising the following steps: the raw materials are mixed by adopting a stirring mode, wherein the stirring speed is 300-400r/min, and the stirring time is 5-10 min.
10. The preparation method of the high modulus PP flame retardant material for automotive interiors according to claim 8, characterized by comprising the following steps: in the master batch drying process, the drying temperature is 85-90 ℃, and the drying time is 2-3 h.
CN202111554672.3A 2021-12-17 2021-12-17 High-modulus automotive interior flame-retardant PP material and preparation method thereof Pending CN114106462A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111554672.3A CN114106462A (en) 2021-12-17 2021-12-17 High-modulus automotive interior flame-retardant PP material and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111554672.3A CN114106462A (en) 2021-12-17 2021-12-17 High-modulus automotive interior flame-retardant PP material and preparation method thereof

Publications (1)

Publication Number Publication Date
CN114106462A true CN114106462A (en) 2022-03-01

Family

ID=80365942

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111554672.3A Pending CN114106462A (en) 2021-12-17 2021-12-17 High-modulus automotive interior flame-retardant PP material and preparation method thereof

Country Status (1)

Country Link
CN (1) CN114106462A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1803907A (en) * 2005-12-12 2006-07-19 广州凯恒科塑有限公司 Radiation cross-linked low-smoke halogen-free phosphor-free nanometer flame retardant thermal shrinkage material and method for preparing the same
CN101704976A (en) * 2009-11-27 2010-05-12 北京化工大学 Low smoke halogen-free flame retardant ethylene-propylene-diene rubber and preparation method by extrusion molding thereof
CN103396606A (en) * 2013-06-13 2013-11-20 奇瑞汽车股份有限公司 Halogen-free flame-retardant polypropylene material for vehicles, and preparation method thereof
CN113717450A (en) * 2020-05-29 2021-11-30 苏州史泰诺科技股份有限公司 Low-smoke halogen-free flame-retardant cable material and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1803907A (en) * 2005-12-12 2006-07-19 广州凯恒科塑有限公司 Radiation cross-linked low-smoke halogen-free phosphor-free nanometer flame retardant thermal shrinkage material and method for preparing the same
CN101704976A (en) * 2009-11-27 2010-05-12 北京化工大学 Low smoke halogen-free flame retardant ethylene-propylene-diene rubber and preparation method by extrusion molding thereof
CN103396606A (en) * 2013-06-13 2013-11-20 奇瑞汽车股份有限公司 Halogen-free flame-retardant polypropylene material for vehicles, and preparation method thereof
CN113717450A (en) * 2020-05-29 2021-11-30 苏州史泰诺科技股份有限公司 Low-smoke halogen-free flame-retardant cable material and preparation method thereof

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
刘丽君 等: "《纳米氢氧化铝阻燃剂表面改性及其在聚丙烯中的应用》", 《中国塑料》 *
陈莹: "《聚丙烯/Al（OH）3/Mg(OH)2/ZB阻燃复合材料的制备及其性能研究》", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 *
黄建智 等: "《油酸包覆纳米片状Al（OH）3/Mg（OH）2复合阻燃剂的制备》", 《广东工业大学学报》 *

Similar Documents

Publication Publication Date Title
CN111944237B (en) Anti-virus and low-haze automotive interior polypropylene material and preparation method thereof
CN101280097A (en) Nanometer flame-proof polyethylene glycol terephthalate engineering plastics and preparation thereof
CN114790330B (en) Flame-retardant polyamide glass fiber composition and preparation method thereof
CN106905674B (en) A kind of Flame-retardant PET and PC composite material and preparation method
CN109679216A (en) A kind of high rigid-tough balance, resistance to stress whiten, halogen-free flame retardant polypropylene composite material and preparation method thereof
CN111995857B (en) Antiviral vehicle-mounted entertainment panel PC/ABS alloy material and preparation method thereof
WO2023179555A1 (en) Halogen-free flame-retardant polycarbonate/styrene resin alloy, and preparation method therefor and use thereof
CN108912642B (en) Antistatic, low-smoke, halogen-free and flame-retardant PC/ABS alloy material and preparation process thereof
CN102786767B (en) Halogen-free flame retardant ABS with super high flow and preparation method thereof
CN103923395A (en) Halogen-free flame retardant and heat resistant PP (polypropylene) plastic for automotive interior trim parts and preparation method thereof
CN108570205B (en) Flame-retardant styrene composition and preparation method thereof
CN113105733A (en) Flame-retardant polycarbonate alloy material and preparation method and application thereof
CN108504068A (en) A kind of high endurance fire retardation PC/PBT alloy material and preparation method thereof
CN114106462A (en) High-modulus automotive interior flame-retardant PP material and preparation method thereof
CN103073854A (en) Polyester composition, preparation method and applications thereof
CN112679860B (en) Special polypropylene composition for automobile hard plastic blasting instrument board and preparation method thereof
CN115651383A (en) Polycarbonate alloy material and preparation method and application thereof
CN111019287B (en) Graphene synergistic flame-retardant ABS/SBS composite material and preparation method thereof
CN113563663A (en) Fire-resistant low-smoke halogen-free soft material and preparation method thereof
CN112745400A (en) High-temperature-resistant tensile modulus improver and preparation method and application thereof
CN104592729A (en) Low-glossiness low-dispersion PC/ABS alloy material and preparation method thereof
JPH059376A (en) Flame-retardant urethane composition
CN113121913A (en) Scratch-resistant halogen-free flame-retardant long-fiber PP and preparation method thereof
CN116041933B (en) Halogen-free high-temperature-resistant flame-retardant ABS composite PC alloy material and preparation method and application thereof
CN114031842B (en) Impact-resistant halogen-free flame-retardant polypropylene composition and preparation method and application thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination