CN106957465A - A kind of lamp decoration plastic material containing silicon nitride crystal whisker and preparation method thereof - Google Patents
A kind of lamp decoration plastic material containing silicon nitride crystal whisker and preparation method thereof Download PDFInfo
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- CN106957465A CN106957465A CN201710327302.3A CN201710327302A CN106957465A CN 106957465 A CN106957465 A CN 106957465A CN 201710327302 A CN201710327302 A CN 201710327302A CN 106957465 A CN106957465 A CN 106957465A
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- silicon nitride
- nitride crystal
- crystal whisker
- antioxidant
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- 239000000463 material Substances 0.000 title claims abstract description 61
- 229910052581 Si3N4 Inorganic materials 0.000 title claims abstract description 50
- 239000013078 crystal Substances 0.000 title claims abstract description 50
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000004033 plastic Substances 0.000 title claims abstract description 38
- 238000005034 decoration Methods 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 44
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 44
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 34
- -1 dimethyl siloxane Chemical class 0.000 claims abstract description 23
- XPFVYQJUAUNWIW-UHFFFAOYSA-N furfuryl alcohol Chemical compound OCC1=CC=CO1 XPFVYQJUAUNWIW-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000003063 flame retardant Substances 0.000 claims abstract description 22
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 claims abstract description 21
- 239000000314 lubricant Substances 0.000 claims abstract description 20
- 229920003049 isoprene rubber Polymers 0.000 claims abstract description 19
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 19
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 19
- 239000012760 heat stabilizer Substances 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims description 31
- 229920005989 resin Polymers 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 6
- 238000005453 pelletization Methods 0.000 claims description 5
- 150000002148 esters Chemical class 0.000 claims description 4
- 239000004254 Ammonium phosphate Substances 0.000 claims description 3
- OKOBUGCCXMIKDM-UHFFFAOYSA-N Irganox 1098 Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)NCCCCCCNC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 OKOBUGCCXMIKDM-UHFFFAOYSA-N 0.000 claims description 3
- 229920000877 Melamine resin Polymers 0.000 claims description 3
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical group CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 3
- 150000001298 alcohols Chemical class 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- 229910000148 ammonium phosphate Inorganic materials 0.000 claims description 3
- 235000019289 ammonium phosphates Nutrition 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 3
- 229910052570 clay Inorganic materials 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 3
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 claims description 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910000000 metal hydroxide Inorganic materials 0.000 claims description 3
- 150000004692 metal hydroxides Chemical class 0.000 claims description 3
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 3
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000344 soap Substances 0.000 claims description 3
- 150000005846 sugar alcohols Polymers 0.000 claims description 3
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 2
- 238000005461 lubrication Methods 0.000 claims description 2
- 150000002903 organophosphorus compounds Chemical class 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 2
- 229910003978 SiClx Inorganic materials 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 claims 1
- 239000003595 mist Substances 0.000 abstract description 7
- 230000035939 shock Effects 0.000 abstract description 5
- 239000012752 auxiliary agent Substances 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 239000004568 cement Substances 0.000 abstract description 4
- 229910052736 halogen Inorganic materials 0.000 abstract description 4
- 150000002367 halogens Chemical class 0.000 abstract description 4
- 230000004313 glare Effects 0.000 abstract description 3
- 230000003993 interaction Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000009792 diffusion process Methods 0.000 description 8
- 238000002834 transmittance Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 210000003128 head Anatomy 0.000 description 4
- 238000000149 argon plasma sintering Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
-
- 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
-
- 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
- B29C2948/92514—Pressure
-
- 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
- B29C2948/9258—Velocity
-
- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Luminescent Compositions (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of lamp decoration plastic material containing silicon nitride crystal whisker and preparation method thereof, the raw material of the plastic material includes silicon nitride crystal whisker, isoprene rubber, dimethyl siloxane, halogen-free flame retardants, furfuryl alcohol resin, heat stabilizer, light diffusing agent, antioxidant, lubricant, auxiliary antioxidant, pentaerythrite stearate.The interaction that the present invention passes through silicon nitride crystal whisker, light diffusing agent and other auxiliary agents, add the scattering and transmission of light, while covering light emitting source and glare, whole plastic cement can be made to send softer light again, the high efficiency and the transparency of Halogen agent are greatly also played, i.e. in the case where not influenceing material transmissivity and mist degree, the good fire resistance of material, resistance to elevated temperatures and shock resistance are imparted；Applied to LED lamp cover and fluorescent tube, light intensity can be effectively reduced, loses light source in vaporific on the whole, light is soft, and technique is simple, it is easy to operate, it is with low cost, have broad application prospects.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically a kind of lamp decoration plastic material containing silicon nitride crystal whisker
And preparation method thereof.
Background technology
Photodiffusion material, which refers to, can change into a line source material of line area source.Typically by that different from base material will reflect
The light diffusion particle of coefficient, which is dispersed in transparent base, to be prepared.Early stage is used for the backlight source material of liquid crystal display, again
Referred to as light-scattering material or diffusion material, are one opened up in recent years for light emitting diode LED lighting by photodiffusion material
New opplication field.
LED was expected to substitution incandescent lamp and electricity-saving lamp as energy-saving illumination material of new generation in following 10 years, as not
For the first choice of illumination.It has the following advantages：Light efficiency height, little power consumption, long lifespan, easy to control, non-maintaining, safety and environmental protection etc. are excellent
Point.But LED is spot light in itself.When lighting field is applied, can there are problems that dazzling the eyes, illuminated area.Make LED
Lamp wiring becomes bright, and most effective way is addition light diffusing agent, and light diffusing agent is in ball-type, due to PC resin and light diffusing agent
Refraction index it is different, light is on surface by repeatedly reflecting, reflecting up to the effect of light diffusion.Evaluate photodiffusion material optics
The index of performance mainly includes light transmittance, mist degree and angle of flare, and the height of light transmittance reflects the lumen value i.e. size of luminous flux,
If light transmittance is high, luminous flux is big, and light loss is small, and the utilization rate of light efficiency is high, if but light transmittance is too high, mist degree and diffusion meeting
Less than normal, lamp bead naked eyes are clearly visible.Therefore needing a kind of photodiffusion material makes one in the case of invisible lamp bead, to keep maximum
While luminous flux, and mist degree and angle of flare is set to become maximum.
Optical diffusion plastic is existing photodiffusion material, poor yet with existing optical diffusion plastic resistance to elevated temperatures,
If time time is longer, also easily there is peculiar smell.
The content of the invention
It is an object of the invention to provide a kind of high temperature resistant, the high plastic cement material of the lamp decoration containing silicon nitride crystal whisker of light transmittance
Material and preparation method thereof, the problem of to solve to propose in above-mentioned background technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of lamp decoration plastic material containing silicon nitride crystal whisker, is made up of the raw material of following parts by weight：Silicon nitride crystal whisker 10-15
It is part, 35-45 parts of isoprene rubber, 10-20 parts of dimethyl siloxane, 20-40 parts of halogen-free flame retardants, 4-8 parts of furfuryl alcohol resin, thermally-stabilised
3-5 parts of agent, 0.5-2.5 parts of light diffusing agent, 0.01-0.03 parts of antioxidant, 0.03-0.07 parts of lubricant, auxiliary antioxidant 0.01-
0.05 part, 0.1-0.5 parts of pentaerythrite stearate.
It is used as further scheme of the invention：The lamp decoration plastic material containing silicon nitride crystal whisker, by following weight
The raw material composition of part：11-14 parts of silicon nitride crystal whisker, 38-42 parts of isoprene rubber, 12-18 parts of dimethyl siloxane, halogen-free flame retardants
25-35 parts, 5-7 parts of furfuryl alcohol resin, 3.5-4.5 parts of heat stabilizer, 1-2 parts of light diffusing agent, 0.015-0.025 parts of antioxidant, profit
0.04-0.06 parts of lubrication prescription, 0.02-0.04 parts of auxiliary antioxidant, 0.2-0.4 parts of pentaerythrite stearate.
It is used as further scheme of the invention：The lamp decoration plastic material containing silicon nitride crystal whisker, by following weight
The raw material composition of part：12 parts of silicon nitride crystal whisker, 40 parts of isoprene rubber, 15 parts of dimethyl siloxane, 30 parts of halogen-free flame retardants, furfuryl alcohol
6 parts of resin, 4 parts of heat stabilizer, 1.5 parts of light diffusing agent, 0.02 part of antioxidant, 0.05 part of lubricant, 0.03 part of auxiliary antioxidant,
0.3 part of pentaerythrite stearate.
It is used as further scheme of the invention：The primary antioxidant is antioxidant 1010, antioxidant 1076 or antioxidant
1098；The auxiliary antioxidant is irgasfos 168.
It is used as further scheme of the invention：The lubricant is one kind in phthalein amine, esters, metal soap, alcohols
Or it is a variety of.
It is used as further scheme of the invention：The light diffusing agent is organic siliconresin type, styrene resin epoxy-type and propylene
Any one in acid ester resin type or several mixtures.
It is used as further scheme of the invention：The halogen-free flame retardants be ammonium phosphate, APP, melamine and its
Compound, Firebrake ZB, montmorillonite, clay, metal hydroxides, organophosphorus compounds, organic hypophosphites compound and
At least one in polyalcohol.
The preparation method of the lamp decoration plastic material containing silicon nitride crystal whisker, is comprised the following steps that：
（1）Each raw material is weighed according to parts by weight；
（2）Isoprene rubber, pentaerythrite stearate and furfuryl alcohol resin are well mixed and obtain mixture A；
（3）Dimethyl siloxane, halogen-free flame retardants, antioxidant, auxiliary antioxidant and mix lubricant are uniformly obtained into mixture
B；
（4）Silicon nitride crystal whisker, heat stabilizer, light diffusing agent are well mixed, put together after adding mixture A and mixture B
Enter and in blender continue to mix until uniform；
（5）By step（4）Well mixed material is put into double screw extruder extruding pelletization；The double screw extruder
Technological parameter is：One 190-210 DEG C of area's temperature, two 220-240 DEG C of area's temperature, three 250-270 DEG C of area's temperature, four area temperature 270-
290 DEG C, five 240-260 DEG C of area's temperature, six 230-250 DEG C of area's temperature, seven 230-250 DEG C of area's temperature, eight area temperature 220-240
DEG C, 250-270 DEG C of die head temperature, residence time of material 2-4min, pressure is 10-20MPa, screw speed 400-450r/min.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention adds the scattering and transmission of light by the interaction of silicon nitride crystal whisker, light diffusing agent and other auxiliary agents,
While covering light emitting source and glare, whole plastic cement can be made to send softer light again, Halogen agent has greatly also been played
High efficiency and the transparency, i.e., in the case where not influenceing material transmissivity and mist degree, impart the good fire resistance of material, resistance to
High-temperature behavior and shock resistance；Applied to LED lamp cover and fluorescent tube, light intensity can be effectively reduced, is loseed on the whole in vaporific
Light source, light is soft, and technique is simple, easy to operate, with low cost, has broad application prospects.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
Embodiment 1
A kind of lamp decoration plastic material containing silicon nitride crystal whisker, is made up of the raw material of following parts by weight：10 parts of silicon nitride crystal whisker,
35 parts of isoprene rubber, 10 parts of dimethyl siloxane, 20 parts of halogen-free flame retardants, 4 parts of furfuryl alcohol resin, 3 parts of heat stabilizer, light diffusing agent
0.5 part, 0.01 part of antioxidant, 0.03 part of lubricant, 0.01 part of auxiliary antioxidant, 0.1 part of pentaerythrite stearate.
The preparation method of the lamp decoration plastic material containing silicon nitride crystal whisker, is comprised the following steps that：
（1）Each raw material is weighed according to parts by weight；
（2）Isoprene rubber, pentaerythrite stearate and furfuryl alcohol resin are well mixed and obtain mixture A；
（3）Dimethyl siloxane, halogen-free flame retardants, antioxidant, auxiliary antioxidant and mix lubricant are uniformly obtained into mixture
B；
（4）Silicon nitride crystal whisker, heat stabilizer, light diffusing agent are well mixed, put together after adding mixture A and mixture B
Enter and in blender continue to mix until uniform；
（5）By step（4）Well mixed material is put into double screw extruder extruding pelletization；The double screw extruder
Technological parameter is：One 190 DEG C of area's temperature, two 220 DEG C of area's temperature, three 250 DEG C of area's temperature, four 270 DEG C of area's temperature, five area's temperature
240 DEG C, six 230 DEG C of area's temperature, seven 230 DEG C of area's temperature, eight 220 DEG C of area's temperature, 250 DEG C of die head temperature, residence time of material
2min, pressure is 10MPa, screw speed 400r/min.
Embodiment 2
A kind of lamp decoration plastic material containing silicon nitride crystal whisker, is made up of the raw material of following parts by weight：12 parts of silicon nitride crystal whisker,
40 parts of isoprene rubber, 15 parts of dimethyl siloxane, 30 parts of halogen-free flame retardants, 6 parts of furfuryl alcohol resin, 4 parts of heat stabilizer, light diffusing agent
1.5 parts, 0.02 part of antioxidant, 0.05 part of lubricant, 0.03 part of auxiliary antioxidant, 0.3 part of pentaerythrite stearate.
The preparation method of the lamp decoration plastic material containing silicon nitride crystal whisker, is comprised the following steps that：
（1）Each raw material is weighed according to parts by weight；
（2）Isoprene rubber, pentaerythrite stearate and furfuryl alcohol resin are well mixed and obtain mixture A；
（3）Dimethyl siloxane, halogen-free flame retardants, antioxidant, auxiliary antioxidant and mix lubricant are uniformly obtained into mixture
B；
（4）Silicon nitride crystal whisker, heat stabilizer, light diffusing agent are well mixed, put together after adding mixture A and mixture B
Enter and in blender continue to mix until uniform；
（5）By step（4）Well mixed material is put into double screw extruder extruding pelletization；The double screw extruder
Technological parameter is：One 200 DEG C of area's temperature, two 230 DEG C of area's temperature, three 260 DEG C of area's temperature, four 280 DEG C of area's temperature, five area's temperature
250 DEG C, six 240 DEG C of area's temperature, seven 240 DEG C of area's temperature, eight 230 DEG C of area's temperature, 260 DEG C of die head temperature, residence time of material
3min, pressure is 15MPa, screw speed 420r/min.
Embodiment 3
A kind of lamp decoration plastic material containing silicon nitride crystal whisker, is made up of the raw material of following parts by weight：15 parts of silicon nitride crystal whisker,
45 parts of isoprene rubber, 20 parts of dimethyl siloxane, 40 parts of halogen-free flame retardants, 8 parts of furfuryl alcohol resin, 5 parts of heat stabilizer, light diffusing agent
2.5 parts, 0.03 part of antioxidant, 0.07 part of lubricant, 0.05 part of auxiliary antioxidant, 0.5 part of pentaerythrite stearate.
The preparation method of the lamp decoration plastic material containing silicon nitride crystal whisker, is comprised the following steps that：
（1）Each raw material is weighed according to parts by weight；
（2）Isoprene rubber, pentaerythrite stearate and furfuryl alcohol resin are well mixed and obtain mixture A；
（3）Dimethyl siloxane, halogen-free flame retardants, antioxidant, auxiliary antioxidant and mix lubricant are uniformly obtained into mixture
B；
（4）Silicon nitride crystal whisker, heat stabilizer, light diffusing agent are well mixed, put together after adding mixture A and mixture B
Enter and in blender continue to mix until uniform；
（5）By step（4）Well mixed material is put into double screw extruder extruding pelletization；The double screw extruder
Technological parameter is：One 210 DEG C of area's temperature, two 240 DEG C of area's temperature, three 270 DEG C of area's temperature, four 290 DEG C of area's temperature, five area's temperature
260 DEG C, six 250 DEG C of area's temperature, seven 250 DEG C of area's temperature, eight 240 DEG C of area's temperature, 270 DEG C of die head temperature, residence time of material
4min, pressure is 20MPa, screw speed 450r/min.
Embodiment 4
A kind of lamp decoration plastic material containing silicon nitride crystal whisker, is made up of the raw material of following parts by weight：11 parts of silicon nitride crystal whisker,
38 parts of isoprene rubber, 12 parts of dimethyl siloxane, 25 parts of halogen-free flame retardants, 5 parts of furfuryl alcohol resin, 3.5 parts of heat stabilizer, light diffusion
1 part of agent, 0.015 part of antioxidant, 0.04 part of lubricant, 0.02 part of auxiliary antioxidant, 0.2 part of pentaerythrite stearate.
The preparation method be the same as Example 2 of the lamp decoration plastic material containing silicon nitride crystal whisker.
Embodiment 5
A kind of lamp decoration plastic material containing silicon nitride crystal whisker, is made up of the raw material of following parts by weight：14 parts of silicon nitride crystal whisker,
42 parts of isoprene rubber, 18 parts of dimethyl siloxane, 35 parts of halogen-free flame retardants, 7 parts of furfuryl alcohol resin, 4.5 parts of heat stabilizer, light diffusion
2 parts of agent, 0.025 part of antioxidant, 0.06 part of lubricant, 0.04 part of auxiliary antioxidant, 0.4 part of pentaerythrite stearate.
The preparation method be the same as Example 2 of the lamp decoration plastic material containing silicon nitride crystal whisker.
Comparative example 1
A kind of lamp decoration plastic material, is made up of the raw material of following parts by weight：38 parts of isoprene rubber, 12 parts of dimethyl siloxane,
25 parts of halogen-free flame retardants, 5 parts of furfuryl alcohol resin, 3.5 parts of heat stabilizer, 1 part of light diffusing agent, 0.015 part of antioxidant, lubricant 0.04
Part, 0.02 part of auxiliary antioxidant, 0.2 part of pentaerythrite stearate.
The preparation method be the same as Example 2 of the lamp decoration plastic material.
Comparative example 2
A kind of lamp decoration plastic material containing silicon nitride crystal whisker, is made up of the raw material of following parts by weight：14 parts of silicon nitride crystal whisker,
42 parts of isoprene rubber, 18 parts of dimethyl siloxane, 35 parts of halogen-free flame retardants, 7 parts of furfuryl alcohol resin, 4.5 parts of heat stabilizer, antioxidant
0.025 part, 0.06 part of lubricant, 0.04 part of auxiliary antioxidant, 0.4 part of pentaerythrite stearate.
The preparation method be the same as Example 2 of the lamp decoration plastic material containing silicon nitride crystal whisker.
The performance for the lamp decoration plastic material that above-described embodiment 1-5 and comparative example 1-2 are prepared is as shown in table 1：
Table 1：
| Performance indications | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example 1 | Comparative example 2 |
| Light transmittance % | 85 | 83 | 88 | 86 | 88 | 62 | 60 |
| Mist degree % | 98 | 99 | 98 | 99 | 98 | 94 | 96 |
| Angle of flare | 40 | 43 | 41 | 44 | 47 | 16 | 18 |
| Fire-retardant 1.6mm | V-0 | V-0 | V-0 | V-0 | V-0 | V-2 | V-1 |
| Resistance to elevated temperatures | Kept at 700 DEG C 20h, is not changed | Kept at 700 DEG C 20h, is not changed | Kept at 700 DEG C 20h, is not changed | Kept at 700 DEG C 20h, is not changed | Kept at 700 DEG C 20h, is not changed | Kept at 700 DEG C 17h, deformation | Kept at 700 DEG C 20h, is not changed |
| Shock resistance | 250J/M | 255J/M | 250J/M | 260J/M | 260J/M | 220J/M | 245J/M |
As shown in Table 1, silicon nitride crystal whisker, light diffusing agent and other auxiliary agents are mutually improved effect, add light scattering and
Transmission, makes the fire resistance and shock resistance of product more preferable.
The primary antioxidant is antioxidant 1010, antioxidant 1076 or antioxidant 1098；The auxiliary antioxidant is antioxygen
Agent 168；The lubricant is the one or more in phthalein amine, esters, metal soap, alcohols；The light diffusing agent is organic
Any one in silicone type, styrene resin epoxy-type and acrylate type or several mixtures；The Halogen resistance
Combustion agent is ammonium phosphate, APP, melamine and its compound, Firebrake ZB, montmorillonite, clay, metal hydroxides, organic
At least one in phosphate compound, organic hypophosphites compound and polyalcohol.
The present invention by the interactions of silicon nitride crystal whisker, light diffusing agent and other auxiliary agents, add light scattering and
Transmission, while covering light emitting source and glare, can make whole plastic cement send softer light, greatly also play Halogen again
The high efficiency and the transparency of agent, i.e., in the case where not influenceing material transmissivity and mist degree, impart the good anti-flammability of material
Energy, resistance to elevated temperatures and shock resistance；Applied to LED lamp cover and fluorescent tube, light intensity can be effectively reduced, on the whole in vaporific
Lose light source, light is soft, and technique is simple, it is easy to operate, it is with low cost, have broad application prospects.
The better embodiment to this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
, can also be on the premise of this patent objective not be departed from formula, the knowledge that one skilled in the relevant art possesses
Various changes can be made.
Claims (8)
1. a kind of lamp decoration plastic material containing silicon nitride crystal whisker, it is characterised in that be made up of the raw material of following parts by weight：Nitrogen
10-15 parts of SiClx whisker, 35-45 parts of isoprene rubber, 10-20 parts of dimethyl siloxane, 20-40 parts of halogen-free flame retardants, furfuryl alcohol resin
4-8 parts of fat, 3-5 parts of heat stabilizer, 0.5-2.5 parts of light diffusing agent, 0.01-0.03 parts of antioxidant, 0.03-0.07 parts of lubricant,
0.01-0.05 parts of auxiliary antioxidant, 0.1-0.5 parts of pentaerythrite stearate.
2. the lamp decoration plastic material according to claim 1 containing silicon nitride crystal whisker, it is characterised in that by following weight
The raw material composition of part：11-14 parts of silicon nitride crystal whisker, 38-42 parts of isoprene rubber, 12-18 parts of dimethyl siloxane, halogen-free flame retardants
25-35 parts, 5-7 parts of furfuryl alcohol resin, 3.5-4.5 parts of heat stabilizer, 1-2 parts of light diffusing agent, 0.015-0.025 parts of antioxidant, profit
0.04-0.06 parts of lubrication prescription, 0.02-0.04 parts of auxiliary antioxidant, 0.2-0.4 parts of pentaerythrite stearate.
3. the lamp decoration plastic material according to claim 1 containing silicon nitride crystal whisker, it is characterised in that by following weight
The raw material composition of part：12 parts of silicon nitride crystal whisker, 40 parts of isoprene rubber, 15 parts of dimethyl siloxane, 30 parts of halogen-free flame retardants, furfuryl alcohol
6 parts of resin, 4 parts of heat stabilizer, 1.5 parts of light diffusing agent, 0.02 part of antioxidant, 0.05 part of lubricant, 0.03 part of auxiliary antioxidant,
0.3 part of pentaerythrite stearate.
4. according to any described lamp decoration plastic materials containing silicon nitride crystal whisker of claim 1-3, it is characterised in that described
Primary antioxidant is antioxidant 1010, antioxidant 1076 or antioxidant 1098；The auxiliary antioxidant is irgasfos 168.
5. according to any described lamp decoration plastic materials containing silicon nitride crystal whisker of claim 1-3, it is characterised in that described
Lubricant is the one or more in phthalein amine, esters, metal soap, alcohols.
6. according to any described lamp decoration plastic materials containing silicon nitride crystal whisker of claim 1-3, it is characterised in that described
Light diffusing agent is any one in organic siliconresin type, styrene resin epoxy-type and acrylate type or several mixing
Thing.
7. according to any described lamp decoration plastic materials containing silicon nitride crystal whisker of claim 1-3, it is characterised in that described
Halogen-free flame retardants is ammonium phosphate, APP, melamine and its compound, Firebrake ZB, montmorillonite, clay, metal hydroxide
At least one in thing, organophosphorus compounds, organic hypophosphites compound and polyalcohol.
8. a kind of preparation method of lamp decoration plastic material containing silicon nitride crystal whisker as described in claim 1-3 is any, its
It is characterised by, comprises the following steps that：
（1）Each raw material is weighed according to parts by weight；
（2）Isoprene rubber, pentaerythrite stearate and furfuryl alcohol resin are well mixed and obtain mixture A；
（3）Dimethyl siloxane, halogen-free flame retardants, antioxidant, auxiliary antioxidant and mix lubricant are uniformly obtained into mixture
B；
（4）Silicon nitride crystal whisker, heat stabilizer, light diffusing agent are well mixed, put together after adding mixture A and mixture B
Enter and in blender continue to mix until uniform；
（5）By step（4）Well mixed material is put into double screw extruder extruding pelletization；The double screw extruder
Technological parameter is：One 190-210 DEG C of area's temperature, two 220-240 DEG C of area's temperature, three 250-270 DEG C of area's temperature, four area temperature 270-
290 DEG C, five 240-260 DEG C of area's temperature, six 230-250 DEG C of area's temperature, seven 230-250 DEG C of area's temperature, eight area temperature 220-240
DEG C, 250-270 DEG C of die head temperature, residence time of material 2-4min, pressure is 10-20MPa, screw speed 400-450r/min.
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| CN108864504A (en) * | 2017-05-10 | 2018-11-23 | 中山市品匠电子科技有限公司 | Lamp decoration plastic material and preparation method thereof with good clear light diffusion function |
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