CN110903550A - Photodiffusion low-halogen flame-retardant polypropylene material and preparation method thereof - Google Patents
Photodiffusion low-halogen flame-retardant polypropylene material and preparation method thereof Download PDFInfo
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- CN110903550A CN110903550A CN201911283728.9A CN201911283728A CN110903550A CN 110903550 A CN110903550 A CN 110903550A CN 201911283728 A CN201911283728 A CN 201911283728A CN 110903550 A CN110903550 A CN 110903550A
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- 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
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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
- 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
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention belongs to the field of modification of high polymer materials, and relates to a photodiffusion low-halogen flame-retardant polypropylene material and a preparation method thereof. The technical scheme is characterized by comprising the following components in parts by mass: transparent PP resin: 94-96 parts; silicone photodiffusion agent: 0.5-2 parts; flame retardant: 2-3 parts of a solvent; antioxidant: 0.2-0.4 part; lubricant: 0.5 to 2.0 portions. Aims to provide a photodiffusion polypropylene material which is scratch-resistant, good in flame retardant property, strong in impact resistance, high in heat resistance, good in flame retardant property and strong in weather resistance, and has industrial value.
Description
Technical Field
The invention belongs to the field of modification of high polymer materials, and relates to a photodiffusion low-halogen flame-retardant polypropylene material and a preparation method thereof.
Background
With the progress of science and technology, polypropylene is more applied to automobiles and household appliances, light pollution is more and more serious along with the improvement of living standard and the progress of science and technology, strong light also has certain damage to eyes of people, so automobiles, household appliances and lamp decoration materials have certain treatment effect on light, eyes of people are protected, the area irradiated at present is wider, and the material is in contact with the light, is heated and is inflammable, so that certain requirements are placed on the safety of the material. The light diffusant commonly used at present is easy to age and become brittle, has poor impact resistance and finally causes the reduction of the service life of the product. Especially in applications in the automotive field, the use of light diffusers is greatly limited by their lack of scratch resistance.
Disclosure of Invention
The invention aims to provide a photodiffusion low-halogen flame-retardant polypropylene material which has the advantages of scratch resistance, good flame retardance, strong weather resistance and strong impact resistance; the invention also aims to provide a preparation method of the photodiffusion low-halogen flame-retardant polypropylene material, which has the same advantages.
The technical purpose of the invention is realized by the following technical scheme:
the photodiffusion low-halogen flame-retardant polypropylene material comprises the following components in parts by weight:
transparent PP resin: 94-96 parts;
silicone photodiffusion agent: 0.5-2 parts;
flame retardant: 2-3 parts of a solvent;
antioxidant: 0.2-0.4 part;
lubricant: 0.5 to 2.0 portions.
Further, the lubricant is a mixture of EBS and calcium stearate in any proportion.
Further, the flame retardant is a phosphorus-nitrogen composite low-halogen flame retardant.
Furthermore, the particle size of the organic silicon light diffusant is 1.0-2.0 μm.
Further, the organic silicon light diffusant comprises the following components in parts by weight: 20-40 parts of polysiloxane microspheres and nano-poly10-20 parts of ethylene wax micropowder, α -Al2O35-10 parts of light scattering agent, 5-10 parts of nano polyethylene wax micropowder α -Al2O3And meanwhile, the light scattering agent is clamped in the interlayer by the coating of the polyethylene wax micro powder and the internal support of α -Al2O3, so that the stability and the flame retardance of the light scattering agent are improved, and the impact resistance and the scratch resistance of the light scattering agent are improved.
Further, the light scattering agent is one or a mixture of two of diacetone acrylamide or 1, 8-octanediamine. The diacetone acrylamide is easy to escape when heated and cannot be applied to the flame-retardant PP light diffusant in practical application, and the polysiloxane microspheres and the polyethylene wax micropowder are used for coating the polypropylene microspheres layer by layer to finally form a core-shell structure, so that the stability of the light diffusant is improved to the maximum extent, and the light diffusant can be uniformly and stably existed in the PP material.
Further, the preparation method of the organic silicon light diffusant comprises the following operation steps:
s1, uniformly mixing α -Al2O3 and a light scattering agent at normal temperature for later use;
s2, adding the nano polyethylene wax micro powder into the S1, and performing spray granulation to obtain composite microspheres;
and S3, placing the composite microspheres and the polysiloxane microspheres into a ball mill for ball milling to obtain the organic silicon light diffusant.
Further, the phosphorus-nitrogen composite low-halogen flame retardant is a mixture of tris (acryloyloxyethyl) phosphate and triglycidyl isocyanurate acrylate in any proportion.
Further, a preparation method of the photodiffusion low-halogen flame-retardant polypropylene material comprises the following operation steps:
A1. putting the transparent PP resin, the organic silicon photodiffusion, the flame retardant, the antioxidant and the lubricant into a high-speed mixer, and fully stirring for 5-10 minutes;
A2. adding the mixture obtained in A1 into a double-screw extruder, and carrying out melting, extrusion, granulation and drying.
Further, the processing temperature ranges in a2 are: at temperature of 210 ℃ below zero at 180 ℃, the vacuum degree is not less than 0.08MPa, the length-diameter ratio of the extruder is 25-40, and the rotating speed range of the screw is 600 revolutions per minute at 300-.
In conclusion, the invention has the following beneficial effects:
1. the addition of the phosphorus-nitrogen composite flame retardant can effectively endow the coating with the expansion characteristic in the heating or combustion process, generate an oxygen-isolated expanded carbon layer and improve the flame retardant property of the coating;
2. the organic silicon light diffusant adopted by the invention is α -Al2O3The addition of the light scattering agent can protect the light scattering agent at the first stage while adding a new light refraction phase to improve the light scattering effect, and improve the shock resistance and the scratch resistance of the light scattering agent;
3. the organic silicon light diffusant adopted by the invention utilizes the polyethylene wax micro powder and the polysiloxane microspheres to form a core-shell structure, and the light scattering agent is coated at the second stage to form a light refraction phase of the polyethylene wax micro powder and a light refraction phase of the polysiloxane microspheres, so that the heat stability and the flame retardant property of the light diffusant are further improved while the light diffusion effect is further improved, and meanwhile, the polyethylene wax micro powder can improve the polysiloxane microspheres and α -Al2O3The compatibility between the core and shell structures is realized, and the impact of a ball milling mode is utilized, so that the core and shell structure is more stable, and the particles are more uniform.
Detailed Description
Example 1: photodiffusion low-halogen flame-retardant polypropylene material and preparation method thereof
The photodiffusion low-halogen flame-retardant polypropylene material comprises the following components in parts by weight: transparent PP resin: 92.6 parts;
silicone photodiffusion agent: 2 parts of (1);
flame retardant: 3 parts of a mixture;
antioxidant: 0.4 part;
lubricant: 2.0 parts of (B);
wherein the transparent PP resin is a Tai plastic PP1120, the grain diameter of the organic silicon diffusant is 1.6 mu m, the flame retardant is a phosphorus-nitrogen-bromine composite low-halogen flame retardant, the antioxidant is a compound system of 1010 and 168, the lubricant is a compound system of EBS and calcium stearate, the polysiloxane microspheres are 20-40 parts, the nano polyethylene wax micropowder is 10-20 parts, and α -Al2O35-10 parts of light scattering agent.
A preparation method of a photodiffusion low-halogen flame-retardant polypropylene material comprises the following operation steps:
1. preparing an organic silicon light diffusant:
s1, mixing 5 parts of α -Al at normal temperature2O3Mixing with 5 parts of diacetone acrylamide uniformly for later use;
s2, adding 10 parts of nano polyethylene wax micro powder into S1, and carrying out spray granulation to obtain composite microspheres;
and S3, placing the composite microspheres and 30 parts of polysiloxane microspheres into a ball mill for ball milling for 20 minutes to obtain the organic silicon light diffusant.
2. Preparing a photodiffusion low-halogen flame-retardant polypropylene material:
A1. putting the transparent PP resin, the organic silicon photodiffusion, the flame retardant, the antioxidant and the lubricant into a high-speed mixer, and fully stirring for 5-10 minutes;
A2. adding the mixture obtained in A1 into a double-screw extruder, and carrying out melting, extrusion, granulation and drying.
Wherein, the processing temperature range in A2 is as follows: at temperature of 210 ℃ below zero at 180 ℃, the vacuum degree is not less than 0.08MPa, the length-diameter ratio of the extruder is 25-40, and the rotating speed range of the screw is 600 revolutions per minute at 300-.
Example 2: the photodiffusion low-halogen flame-retardant polypropylene material comprises the following components in parts by weight: transparent PP resin: 93.6 parts;
silicone photodiffusion agent: 1 part;
flame retardant: 3 parts of a mixture;
antioxidant: 0.4 part;
lubricant: 2.0 parts of (B);
wherein the transparent PP resin is a plastic PP1120, the grain diameter of the organic silicon diffusant is 1.6 mu m, and the flame retardant is a phosphorus-nitrogen-bromine composite materialHalogen flame retardant, antioxidant 1010 and 168, lubricant EBS and calcium stearate 35 weight portions, nanometer polyethylene wax powder 20 weight portions, and α -Al powder2O310 parts of light scattering agent.
A preparation method of a photodiffusion low-halogen flame-retardant polypropylene material comprises the following operation steps:
1. preparing an organic silicon light diffusant:
s1, mixing 10 parts of α -Al at normal temperature2O3Mixing with 10 parts of 1, 8-octanediamine uniformly for later use;
s2, adding 20 parts of nano polyethylene wax micro powder into S1, and performing spray granulation to obtain composite microspheres;
and S3, placing the composite microspheres and 35 parts of polysiloxane microspheres into a ball mill for ball milling for 30 minutes to obtain the organic silicon light diffusant.
2. Preparing a photodiffusion low-halogen flame-retardant polypropylene material:
A1. putting the transparent PP resin, the organic silicon photodiffusion, the flame retardant, the antioxidant and the lubricant into a high-speed mixer, and fully stirring for 5-10 minutes;
A2. adding the mixture obtained in A1 into a double-screw extruder, and carrying out melting, extrusion, granulation and drying.
Wherein, the processing temperature range in A2 is as follows: at temperature of 210 ℃ below zero at 180 ℃, the vacuum degree is not less than 0.08MPa, the length-diameter ratio of the extruder is 25-40, and the rotating speed range of the screw is 600 revolutions per minute at 300-.
Example 3: photodiffusion low-halogen flame-retardant polypropylene material and preparation method thereof
The photodiffusion low-halogen flame-retardant polypropylene material comprises the following components in parts by weight: transparent PP resin: 95.1 parts;
silicone photodiffusion agent: 0.5 part;
flame retardant: 2 parts of (1);
antioxidant: 0.4 part;
lubricant: 2.0 parts of (B);
wherein the transparent PP resin is a Taiwan plastic PP1120, the grain diameter of the organic silicon diffusant is 1.6 mu m, the flame retardant is a phosphorus-nitrogen-bromine composite low-halogen flame retardant and is antioxidantThe lubricant is a compound system of 1010 and 168, the lubricant is a compound system of EBS and calcium stearate, 40 parts of polysiloxane microspheres, 20 parts of nano polyethylene wax micropowder and α -Al2O38 parts of light scattering agent and 10 parts of light scattering agent.
A preparation method of a photodiffusion low-halogen flame-retardant polypropylene material comprises the following operation steps:
1. preparing an organic silicon light diffusant:
s1, mixing 8 parts of α -Al at normal temperature2O3Mixing with 5 parts of diacetone acrylamide and 5 parts of 1, 8-octanediamine uniformly for later use;
s2, adding 20 parts of nano polyethylene wax micro powder into S1, and performing spray granulation to obtain composite microspheres;
and S3, placing the composite microspheres and 40 parts of polysiloxane microspheres into a ball mill for ball milling for 20 minutes to obtain the organic silicon light diffusant.
2. Preparing a photodiffusion low-halogen flame-retardant polypropylene material:
A1. putting the transparent PP resin, the organic silicon photodiffusion, the flame retardant, the antioxidant and the lubricant into a high-speed mixer, and fully stirring for 5-10 minutes;
A2. adding the mixture obtained in A1 into a double-screw extruder, and carrying out melting, extrusion, granulation and drying.
Wherein, the processing temperature range in A2 is as follows: at temperature of 210 ℃ below zero at 180 ℃, the vacuum degree is not less than 0.08MPa, the length-diameter ratio of the extruder is 25-40, and the rotating speed range of the screw is 600 revolutions per minute at 300-.
The photodiffusion low-halogen flame-retardant polypropylene material has the following characteristics:
(1) the light transmittance GB/T2410-200845%;
(2) haze GB/T2410-200893%;
(3) the ROSH standard is met;
(4) the flame retardant rating is UL 941.6-3.0V-2, the impact strength is more than or equal to 25J/m, and the melt index is more than or equal to 12g/10min
The material is environment-friendly and accords with the national standard ROSH, has good flame retardant property and light diffusion property, is suitable for materials of automobiles and household appliances in lamp decoration products, and ensures that the light source of the product is more dispersed, the light loss is less and the flame retardant safety of the product is higher.
And (3) performance test results:
as can be seen from the above table, the photodiffusion low-halogen flame-retardant polypropylene material provided by the invention has better flame retardant property and light transmittance compared with the existing polypropylene material, and the melt index and haze are also better than those of the existing material.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, 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 invention.
Claims (10)
1. The photodiffusion low-halogen flame-retardant polypropylene material is characterized by comprising the following components in parts by mass:
transparent PP resin: 94-96 parts;
silicone photodiffusion agent: 0.5-2 parts;
flame retardant: 2-3 parts of a solvent;
antioxidant: 0.2-0.4 part;
lubricant: 0.5 to 2.0 portions.
2. The light diffusing low halogen flame retardant polypropylene material according to claim 1, wherein the lubricant is a mixture of EBS and calcium stearate in any ratio.
3. The photodiffusion low-halogen flame-retardant polypropylene material of claim 1, wherein the flame retardant is a phosphorus-nitrogen composite low-halogen flame retardant.
4. The photodiffusion low-halogen flame-retardant polypropylene material as claimed in claim 1, wherein the particle size of the silicone photodiffuser is 1.0-2.0 μm.
5. The photodiffusion low-halogen flame-retardant polypropylene material as claimed in claim 1, wherein the silicone photodiffusion agent comprises, by mass, 20-40 parts of polysiloxane microspheres, 10-20 parts of nano polyethylene wax micropowder, and α -Al2O35-10 parts of light scattering agent.
6. The light-diffusing low-halogen flame-retardant polypropylene material according to claim 5, wherein the light scattering agent is any one of diacetone acrylamide or 1, 8-octanediamine.
7. The photodiffusion low-halogen flame-retardant polypropylene material as claimed in claim 5, wherein the preparation method of the organic silicon photodiffusion agent comprises the following operation steps:
s1, mixing α -Al at normal temperature2O3Mixing with light scattering agent;
s2, adding the nano polyethylene wax micro powder into the S1, and performing spray granulation to obtain composite microspheres;
and S3, placing the composite microspheres and the polysiloxane microspheres into a ball mill for ball milling to obtain the organic silicon light diffusant.
8. The photodiffusion low-halogen flame-retardant polypropylene material of claim 3, wherein the phosphorus-nitrogen composite low-halogen flame retardant is a mixture of tris- (acryloyloxyethyl) phosphate and triglycidyl isocyanurate acrylate in any proportion.
9. A preparation method of a photodiffusion low-halogen flame-retardant polypropylene material is characterized by comprising the following operation steps:
A1. putting the transparent PP resin, the organic silicon photodiffusion, the flame retardant, the antioxidant and the lubricant into a high-speed mixer, and fully stirring for 5-10 minutes;
A2. adding the mixture obtained in A1 into a double-screw extruder, and carrying out melting, extrusion, granulation and drying.
10. The method for preparing the light-diffusing low-halogen flame-retardant polypropylene material according to claim 9, wherein the processing temperature in A2 is in the range of: at temperature of 210 ℃ below zero at 180 ℃, the vacuum degree is not less than 0.08MPa, the length-diameter ratio of the extruder is 25-40, and the rotating speed range of the screw is 600 revolutions per minute at 300-.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911283728.9A CN110903550A (en) | 2019-12-13 | 2019-12-13 | Photodiffusion low-halogen flame-retardant polypropylene material and preparation method thereof |
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| CN201911283728.9A CN110903550A (en) | 2019-12-13 | 2019-12-13 | Photodiffusion low-halogen flame-retardant polypropylene material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114479260A (en) * | 2020-10-23 | 2022-05-13 | 中国石油化工股份有限公司 | Heat-resistant photodiffusion polypropylene composition and application thereof, heat-resistant photodiffusion polypropylene and preparation method and application thereof |
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2019
- 2019-12-13 CN CN201911283728.9A patent/CN110903550A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114479260A (en) * | 2020-10-23 | 2022-05-13 | 中国石油化工股份有限公司 | Heat-resistant photodiffusion polypropylene composition and application thereof, heat-resistant photodiffusion polypropylene and preparation method and application thereof |
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