CN109608758A - A kind of light diffusion PP material and preparation method thereof - Google Patents
A kind of light diffusion PP material and preparation method thereof Download PDFInfo
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- CN109608758A CN109608758A CN201811190514.2A CN201811190514A CN109608758A CN 109608758 A CN109608758 A CN 109608758A CN 201811190514 A CN201811190514 A CN 201811190514A CN 109608758 A CN109608758 A CN 109608758A
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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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
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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
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/18—Spheres
Abstract
The present invention relates to Functional polymer materials technology fields, to solve, tradition PP material thermal stability is poor, impact resistance is weak, the problem for causing its utilization rate in light trade lower, provide a kind of light diffusion PP material and preparation method thereof, the light diffusion PP material comprises the following components in parts by weight: 90~98 parts of polypropylene, 0.2~1 part of light diffusing agent, 0.05~3 part of fire retardant, 0.05~1 part of antioxidant, 0.5~5 part of 0.05~1 part of lubricant and anti-UV agent.The present invention utilizes light responsive hydrogels factor Compositional type light diffusing agent, and environmental type fire retardant, so that more uniformly spreading in light diffusion PP material system, mobility is more preferable, and impact resistance and photoinduction regulating power are stronger；This modification light spreads PP material, possesses better thermal stability, softening temperature can achieve 105 DEG C.Modification light of the invention spreads PP material, possesses better anti-aging property, under high-intensitive ultraviolet light irradiation, can still guarantee xanthochromia performance.
Description
Technical field
The present invention relates to Functional polymer materials technology field more particularly to a kind of light diffusion PP material and its preparation sides
Method.
Background technique
LED is the abbreviation of " Light Emitting Diode ", and Chinese is translated into " light emitting diode ", and being that one kind is novel partly leads
Body solid state light emitters, when both ends add forward voltage, the carrier in semiconductor occur it is compound cause photon transmitting to
Generate light.LED made of different materials can issue the light of different wave length, to form different colors.LED have low energy consumption,
The small in size, characteristics such as the service life is long, pollution-free, response is fast, driving voltage is low, shock resistance is strong, color purity is high, are known as a new generation
Lighting source and green light source.
Light encounters meeting when including the medium different with its refractive index (diffusion particle) by the diffusion layer of plastic basis material
There is a phenomenon where multi-angle, multidirectional refraction, reflection and scatterings, are headlamp so that point light source be made to reach light diffusion effect
Tool provides more uniform, more comfortable light-out effect.When the material of front lower main flow diffuser plate in the market has polycarbonate (PC)
Material and polystyrene (PS) material.PC material hardness is insufficient, is easy to scratch, not corrosion-resistant, UV resistant, not easy to aging；PS
The electrical insulating property of material is excellent, and light transmittance is only second to organic glass, and fragmentation is high, solvent resistance is poor, thermal expansion coefficient is big, easily produces
Raw internal stress.
Relative to PC material and PS material in the market, polypropylene (PP) material can be widely used for the products such as food containers
Safest resin material, 100% is recyclable, non-toxic, and has lighter density, but traditional PP material is due to low resistance to
Temperature, high convergency, low rigidity, the factors such as high warpage, in low temperature meeting vitrifying, shock resistance sharp fall causes it in lamp
It is very low to have utilization rate in industry.
" fire-retardant scratch resistance polishing diffusion PP material and preparation method thereof " is disclosed in Chinese patent literature, notification number is
CN104292637A, the invention light spread PP material using PP material as substrate on the basis of, be added to nanmeter antimong trioxide,
A variety of synergistic function additives such as organosilicon polymer, acid absorbent are realized and stablize improving in fire-retardant scratch-resistant for promotion PP material
There can be excellent light efficiency performance simultaneously afterwards.But invention solution PP material thermal stability not yet in effect is poor, impact resistance is weak
The problem of.
Summary of the invention
Traditional PP material thermal stability is poor, impact resistance is weak in order to overcome by the present invention, it is caused to make in light trade
With the lower problem of rate, provide that a kind of thermal stability is good, light diffusion PP material of strong shock resistance, to improve PP material
Thermal stability reduces shrinking percentage, promotes rigidity, reduces warpage.
The present invention also provides a kind of preparation methods of light diffusion PP material, and this method is easy to operate, to equipment without special
It is required that, it is easy to accomplish large-scale industrial production.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of light diffusion PP material, the light diffusion PP material comprise the following components in parts by weight: 90~98 parts of polypropylene, light expands
0.2~1 part of powder, 0.05~3 part of fire retardant, 0.05~1 part of antioxidant, 0.05~1 part of lubricant and anti-UV agent 0.5~5
Part.The lubricant is at least one of ethylene bis stearamide EBS, erucyl amide, oleamide and silicone.
Preferably, the light diffusing agent is made by light responsive hydrogels factor cladding acrylic resin microballoon.
Preferably, the cladding process are as follows: material to be covered is dispersed in photoresponse type under dark condition and is coagulated
It in glue factor suspension, stands, drying.
Preferably, the volume ratio of the material to be covered and the light responsive hydrogels factor is (20~5): 1.
Preferably, the structural formula of the light responsive hydrogels factor are as follows:
The light responsive hydrogels factor selected by the present invention is preferably binary organic salt gelator, the anthracene under ultraviolet light
Group dimerization can occur and when gel breaks down, become precipitating after standing；After precipitating reheats, and it may return to gel state.This
Invention, as novel light diffusing agent, is added in pp material, energy using light responsive hydrogels factor cladding acrylic resin microballoon
Different gel circulation changes enough is generated for the light of the different wavelength of LED light transmitting, acrylic resin microballoon itself is one
The organic light diffusing agent of kind, but existing organic light diffusing agent cannot achieve the controllability of light, relying only on control has
The additive amount of machine light diffusing agent, so that it has limitation in the application of LED lamp.The present invention is on organic light diffusing agent surface
After coating photoresponse gelator, gelator itself can be automatically adjusted according to the transmitting light of different light sources, while by light
Source generate heat realize gel conversion, improve light diffusion PP material thermal stability so that light is more soft, light loss compared with
It is small, it is more intelligent.
Preferably, on the basis of acrylic resin microballoon gross mass, the grade and quality of the acrylic resin microballoon
Percentage composition are as follows: the microballoon that the microballoon that 1~2 μm of microballoon accounts for 25~35%, 3~5 μm accounts for 45~55%, 6~15 μm accounts for 10~
25%.
It is different that acrylic resin microballoon by adjusting size fractionated and mass percentage has light diffusing agent
Partial size, to have different refractive index, so that passing through many times by the light of the acrylic resin microballoon of different-grain diameter
Refraction, then penetrates acrylic resin microballoon, so that strong light is through superrefraction, evenly dispersed, so that point light source becomes area source,
Light-emitting surface is expanded, while making light become softer, light loss is few；Meanwhile size fractionated and quality percentage contain
The collaboration of amount is deployed, and the mobility of system is considerably increased, and enhances the impact resistance of light diffusion PP material.
Preferably, the fire retardant is Polycaprolactone modified ammonium polyphosphate or nucleosides ammonium polyphosphate modifying.
Preferably, the molecular weight of the polycaprolactone is 500~10000g/mol.
Polycaprolactone is a kind of degradable polyvalent alcohol, and ammonium polyphosphate is halogen-free flame retardants, more environmentally protective；This hair
It is bright by use Polycaprolactone modified ammonium polyphosphate, utilize polycaprolactone surface active hydroxyl groups abundant and PP material more phase
Hold, increase interface binding power, reduce the additive amount of fire retardant, while being cooperateed with formula system and improving light diffusion PP material
Impact strength.
Preferably, the nucleosides is the nucleosides after protonation, structural formula are as follows:
The method of nucleosides ammonium polyphosphate modifying are as follows: by the nucleosides after ammonium polyphosphate and protonation according to mass ratio (5~10):
1 is uniformly mixed to get nucleosides ammonium polyphosphate modifying.Using the fire retardant of nucleosides ammonium polyphosphate modifying, for biological based flameproofing, core
Glycosides is formed by connecting by base and pentose, is the native compound of a kind of collection gas source and charcoal source and one, had both been reduced petroleum money
The consumption in source protects environment again, and preparation method is simple, is advantageously implemented industrialized production.
A kind of preparation method of light diffusion PP material, comprising the following steps: according to said ratio, each raw material is subjected to mixing
Processing, obtains mixed material, then spreads PP material through melting extrusion, granulation to get light.
A kind of preparation method of light diffusion PP material, comprising the following steps:
(1) each raw material for standby is weighed according to said ratio, the acrylic resin microsphere surface that partial size is 6~15 μm is coated into light and is rung
Type gelator is answered, the first light diffusing agent is obtained；
(2) after mixing by the first light diffusing agent and polypropylene, antioxidant, lubricant, fire retardant and anti-UV are sequentially added
Agent obtains mixed material；
(3) the acrylic resin microballoon that partial size is 3~5 μm is added in mixed material, is uniformly mixed, melting extrusion, granulation obtain
Particulate material；
(4) the light responsive hydrogels factor is coated on particulate material surface, obtains the second light diffusing agent；
(5) the acrylic resin microballoon that partial size is 1~2 μm is added in the second diffusant, is uniformly mixed, melting extrusion, granulation,
PP material is spread up to light.
By the way that the acrylic resin microballoon of different-grain diameter is added in different step, so that acrylic resin microballoon expands in light
More uniformly spreading in PP material system is dissipated, mobility is more preferable, and impact resistance and photoinduction regulating power are stronger.
Therefore, the invention has the following beneficial effects:
(1) light responsive hydrogels factor Compositional type light diffusing agent, environmental type fire retardant are utilized, so that light spreads PP material bodies
More uniformly spreading in system, mobility is more preferable, and impact resistance and photoinduction regulating power are stronger；
(2) by being modified, so that PP material is reached better light diffusing, make it in production wall thickness 0.5mm-1.5mm thickness
When diffusion shell, the shock-testing of IEC60598 and GB7000.1 can be met, common PP material is in low temperature meeting vitrifying, anti-impact
Performance sharp fall is hit, this material can be when -35 DEG C of low temperature, and product wall thickness 0.5mm-1.5mm can still meet
The shock-testing of IEC60598 and GB7000.1.This modification light spreads PP, possesses better thermal stability, softening temperature can reach
To 105 DEG C.This modification light spreads PP, possesses better anti-aging property, under high-intensitive ultraviolet light irradiation, can still protect
Demonstrate,prove xanthochromia performance；
(3) preparation process is easy to operate, at low cost, to equipment without particular/special requirement, it is easy to accomplish industrialized production.
Specific embodiment
Below by specific embodiment, the technical solutions of the present invention will be further described.
In the present invention, if not refering in particular to, all devices and raw material is commercially available or the industry is common are following
Method in embodiment is unless otherwise instructed conventional method in that art.
Embodiment 1
(1) according to following proportion, polypropylene 90g, light diffusing agent 0.2g, fire retardant 0.05g, antioxidant 0.05g are weighed respectively,
Erucyl amide 0.05g and anti-UV agent 5g；Wherein light diffusing agent is to coat acrylic resin microballoon system by the light responsive hydrogels factor
, the volume ratio of acrylic resin microballoon and the light responsive hydrogels factor is 20:1；Fire retardant is Polycaprolactone modified polyphosphoric acid
Ammonium, the molecular weight of polycaprolactone are 500g/mol；
(2) above-mentioned each raw material is subjected to mixing treatment, obtains mixed material, then spread PP through melting extrusion, granulation to get light
Material.
Embodiment 2
(1) each raw material for standby is weighed, the acrylic resin microballoon that partial size is 6~15 μm is dispersed in light under dark condition
It in response type gelator suspension, stands, drying, the volume ratio of acrylic resin microballoon and the light responsive hydrogels factor is 5:
1, acrylic resin microsphere surface coats the light responsive hydrogels factor, obtains the first light diffusing agent；
(2) after mixing by the first light diffusing agent and 98g polypropylene, 1g antioxidant, 1g ethylene stearic bicine diester are sequentially added
Amine EBS, 3g nucleosides ammonium polyphosphate modifying and the anti-UV agent of 0.5g, obtain mixed material；
(3) the acrylic resin microballoon that partial size is 3~5 μm is added in mixed material, is uniformly mixed, melting extrusion, granulation obtain
Particulate material；
(4) it is dispersed in light responsive hydrogels factor suspension, stands under dark condition in particulate material, drying, particle
The volume ratio of material and the light responsive hydrogels factor is 15:1, and particulate material surface coats the light responsive hydrogels factor, obtains the expansion of the second light
Powder；
(5) the acrylic resin microballoon that partial size is 1~2 μm is added in the second diffusant, is uniformly mixed, melting extrusion, granulation,
PP material is spread up to light；
Wherein, (light responsive hydrogels are negligible because of protonatomic mass), acrylic acid tree on the basis of acrylic resin microballoon gross mass 1g
The grade and mass percentage of lipid microspheres are as follows: 1~2 μm of microballoon accounts for 25%, and 3~5 μm of microballoon accounts for 55%, 6~15 μm
Microballoon accounts for 20%.
Embodiment 3
(1) each raw material for standby is weighed, the acrylic resin microballoon that partial size is 6~15 μm is dispersed in light under dark condition
It in response type gelator suspension, stands, drying, acrylic resin microballoon and the volume ratio of the light responsive hydrogels factor are
15:1, acrylic resin microsphere surface coat the light responsive hydrogels factor, obtain the first light diffusing agent；
(2) after mixing by the first light diffusing agent and 95g polypropylene, 0.5g antioxidant, 0.5g silicone are sequentially added, 2g gathers
Caprolactone modification ammonium polyphosphate (molecular weight of polycaprolactone is 10000g/mol) and the anti-UV agent of 3g, obtain mixed material；
(3) the acrylic resin microballoon that partial size is 3~5 μm is added in mixed material, is uniformly mixed, melting extrusion, granulation obtain
Particulate material；
(4) it is dispersed in light responsive hydrogels factor suspension, stands under dark condition in particulate material, drying, particle
The volume ratio of material and the light responsive hydrogels factor is 12:1, and particulate material surface coats the light responsive hydrogels factor, obtains the expansion of the second light
Powder；
(5) the acrylic resin microballoon that partial size is 1~2 μm is added in the second diffusant, is uniformly mixed, melting extrusion, granulation,
PP material is spread up to light；
Wherein, (light responsive hydrogels are negligible because of protonatomic mass), acrylic acid on the basis of acrylic resin microballoon gross mass 0.8g
The grade and mass percentage of resin microsphere are as follows: 1~2 μm of microballoon accounts for 30%, and 3~5 μm of microballoon accounts for 45%, and 6~15 μm
Microballoon account for 25%.
Embodiment 4
(1) each raw material for standby is weighed, the acrylic resin microballoon that partial size is 6~15 μm is dispersed in light under dark condition
It in response type gelator suspension, stands, drying, acrylic resin microballoon and the volume ratio of the light responsive hydrogels factor are
18:1, acrylic resin microsphere surface coat the light responsive hydrogels factor, obtain the first light diffusing agent；
(2) after mixing by the first light diffusing agent and 92g polypropylene, 0.2g antioxidant is sequentially added, 0.8g oleamide,
2g nucleosides ammonium polyphosphate modifying and the anti-UV agent of 4g, obtain mixed material；
(3) the acrylic resin microballoon that partial size is 3~5 μm is added in mixed material, is uniformly mixed, melting extrusion, granulation obtain
Particulate material；
(4) it is dispersed in light responsive hydrogels factor suspension, stands under dark condition in particulate material, drying, particle
The volume ratio of material and the light responsive hydrogels factor is 15:1, and particulate material surface coats the light responsive hydrogels factor, obtains the expansion of the second light
Powder；
(5) the acrylic resin microballoon that partial size is 1~2 μm is added in the second diffusant, is uniformly mixed, melting extrusion, granulation,
PP material is spread up to light；
Wherein, (light responsive hydrogels are negligible because of protonatomic mass), acrylic acid on the basis of acrylic resin microballoon gross mass 0.8g
The grade and mass percentage of resin microsphere are as follows: 1~2 μm of microballoon accounts for 35%, and 3~5 μm of microballoon accounts for 55%, and 6~15 μm
Microballoon account for 10%.
Comparative example 1
Comparative example 1 the difference from embodiment 1 is that, light diffusing agent is acrylic resin microballoon, remaining process conditions is identical.
Comparative example 2
Comparative example 2 the difference from embodiment 1 is that, fire retardant is ammonium polyphosphate, remaining process conditions is identical.
Comparative example 3
Comparative example 3 the difference from example 2 is that, no cladding light responsive hydrogels factor step, the complete phase of remaining process conditions
Together.
Comparative example 4
Comparative example the difference from example 2 is that, fire retardant is ammonium polyphosphate, remaining process conditions is identical.
The performance of the diffusion PP material of light made from embodiment 1-4 and comparative example 1-4 is detected, the results are shown in Table 1:
1. test result of table
Light diffusion PP material of the invention allows to meet IEC6098 by addition fire retardant, needle flame, 650 DEG C of glowing filaments,
120 DEG C of ball pressures.By adding light diffusing agent, make softer by the light of the material product.Light of the invention spreads PP material
Material reaches better light diffusing, makes it when making the diffusion shell of wall thickness 0.5mm~1.5mm thickness, can meet
The shock-testing of IEC60598 and GB7000.1, common PP material low temperature can vitrifying, shock resistance sharp fall,
This material can when -35 DEG C of low temperature, product wall thickness 0.5mm~1.5mm can still meet IEC60598 and
The shock-testing of GB7000.1.This modification light spreads PP, possesses better thermal stability, softening temperature can achieve 105 DEG C.This
The modification light of invention spreads PP material, possesses better anti-aging property, under high-intensitive ultraviolet light irradiation, can still protect
Demonstrate,prove xanthochromia performance.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, and is not surpassing
There are also other variations and modifications under the premise of technical solution documented by claim out.
Claims (9)
1. a kind of light spreads PP material, which is characterized in that the light diffusion PP material comprises the following components in parts by weight: polypropylene
90~98 parts, 0.2~1 part of light diffusing agent, 0.05~3 part of fire retardant, 0.05~1 part of antioxidant, 0.05~1 part of lubricant and
0.5~5 part of anti-UV agent.
2. a kind of light according to claim 1 spreads PP material, which is characterized in that the light diffusing agent is coagulated by photoresponse type
The glue factor coats acrylic resin microballoon and is made.
3. a kind of light according to claim 2 spreads PP material, which is characterized in that the cladding process are as follows: will be to be covered
Material is dispersed in light responsive hydrogels factor suspension under dark condition, is stood, drying.
4. a kind of light according to claim 3 spreads PP material, which is characterized in that the material to be covered and photoresponse type
The volume ratio of gelator is (20~5): 1.
5. a kind of light according to claim 2 spreads PP material, which is characterized in that be with acrylic resin microballoon gross mass
Benchmark, the grade and mass percentage of the acrylic resin microballoon are as follows: 1~2 μm of microballoon accounts for 25~35%, 3~5 μm
The microballoon that microballoon accounts for 45~55%, 6~15 μm accounts for 10~25%.
6. a kind of light according to claim 1 spreads PP material, which is characterized in that the fire retardant is Polycaprolactone modified
Ammonium polyphosphate or nucleosides ammonium polyphosphate modifying.
7. a kind of light according to claim 6 spreads PP material, which is characterized in that the molecular weight of the polycaprolactone is
500~10000g/mol.
8. a kind of preparation method of light diffusion PP material as claimed in claim 1, which is characterized in that including following step
It is rapid: according to said ratio, each raw material to be subjected to mixing treatment, obtains mixed material, then through melting extrusion, granulation to get light
Spread PP material.
9. a kind of preparation method of light diffusion PP material as claimed in claim 1, which is characterized in that including following step
It is rapid:
(1) each raw material for standby is weighed according to said ratio, the acrylic resin microsphere surface that partial size is 6~15 μm is coated into light and is rung
Type gelator is answered, the first light diffusing agent is obtained；
(2) after mixing by the first light diffusing agent and polypropylene, antioxidant, lubricant, fire retardant and anti-UV are sequentially added
Agent obtains mixed material；
(3) the acrylic resin microballoon that partial size is 3~5 μm is added in mixed material, is uniformly mixed, melting extrusion, granulation obtain
Particulate material；
(4) the light responsive hydrogels factor is coated on particulate material surface, obtains the second light diffusing agent；
(5) the acrylic resin microballoon that partial size is 1~2 μm is added in the second diffusant, is uniformly mixed, melting extrusion, granulation,
PP material is spread up to light.
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| CN110204831A (en) * | 2019-07-10 | 2019-09-06 | 深圳市罗湖区亨业纳米新材料研究院 | A kind of milky white photodiffusion material and preparation method thereof |
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| CN109608758B (en) | 2021-04-13 |
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