A kind of GPPS LED diffusion light-guiding composite plates and preparation method thereof
Technical field
The invention belongs to field of new, the more particularly to preparation method of LED diffusion light-guidings composite plate.
Background technology
With the increasingly fierceness of market competition, the competitive advantage of oneself product, thing U.S. valency are being sought by various businessmans and manufacturer
It is honest and clean to be undoubtedly the market mainstream.The light guide plate and diffuser plate that are applied to LED panel illumination at present are two separate products, with reference to one
Rise and use, light guide panel material is PMMA, diffuser panel material is PMMA, PS or PC, belongs to separately fabricated product.Led in production
, it is necessary to two complete equipments are produced respectively when light sheet material and diffusion sheet material, low production efficiency, the production cost of light guide plate and diffuser plate compared with
Height, therefore the price of the product such as LED flat plate light fixture, circular luminaire is difficult to reduce, it is difficult to meet the quality-high and inexpensive demand of consumer.
Additionally, the light guide plate of LED illumination also has material cost with diffuser plate larger, heavier-weight, the big office of thickness
It is sex-limited.The light guide plate minimum thickness applied at present in LED illumination is 3mm, and diffuser plate minimum thickness is 1.5mm, and both add up to
4.5mm.Because LED illumination product is generally the upper mounting means in top, influenceed by natural gravity, too thin too soft plastic material has downslide
Possibility, and the material such as PMMA, PC plastified within 1mm, be relatively easy to deformation, it is damaged the features such as, so no matter
On cost or in structure, all there is bottleneck in LED area light source light fixture.
Patent of invention CN102975370A discloses the production method and equipment of a kind of optical composite sheet material, its production method
Including:Guide-lighting raw material and diffuser material are plastified respectively;In guide-lighting raw material and diffuser material feeding mould after by plasticizing
Co-extrusion is carried out, flexible glue shape sheet material is formed;To from mould out after flexible glue shape sheet material carry out press polish and embossing molding.The invention
The production method of optical composite sheet material, it is raw compared to total production procedure of existing light guide plate and diffuser plate in production procedure
Producing flow reduces half, and production efficiency greatly improved, but the material to composite board is not improved, such compound
Plate remains cracky, the shortcoming of deformation.
The English name of polystyrene is Polystyrene, abbreviation PS.PS is a kind of noncrystalline resin of thermoplasticity,
It is broadly divided into General Purpose Polystyrenre (GPPS, be commonly called as benzene), shock resistance polystyrene (HIPS, be commonly called as changing benzene) and foaming level
Polystyrene (EPS).General Purpose Polystyrenre (GPPS) is that polystyrene (PS) is polymerized by styrene monomer (SM),
Can be polymerized by various synthetic methods, good in optical property is transparent and with excellent rigidity, electric property and printing performance,
It is widely used in the making of lampshade, optical element, see-through model.
The content of the invention
A kind of shortcoming the invention aims to overcome prior art, there is provided lighter in weight, it is firm on-deformable
Diffusion light-guiding composite plate.
In order to solve the above problems, the technical solution adopted in the present invention is:
A kind of GPPS LED diffusion light-guiding composite plates, it is characterised in that including following mass fraction into being grouped into:
Optical grade GPPS particles 94%
Organic silicon particle 6%.
Further, the GPPS LED diffusion light-guiding composite plates, it is characterised in that the GPPS LED diffusion light-guidings are answered
Plywood thickness is 1.5mm-3.0mm.
A kind of preparation method of GPPS LED diffusion light-guiding composite plates, comprises the following steps:
A) 9 parts of optical grade GPPS particles are taken, container 1 is poured into standby;
B) by 0.6 part of 0.4 part of optical grade GPPS particles and organic silicon particle, container 2 is poured into respectively standby;
C) it is standby after the compound obtained by step b) being carried out into uniform stirring 1 hour;
D) pure material of container 1 and the compound obtained by the 3rd step, are evacuated in drying machine 1 and drying machine 2 and are dried respectively;
E) material in drying machine 1 and drying machine 2 is delivered in high-temperature digestion pipeline respectively, it is liquid to melt;
F) liquid in pipeline 1 and pipeline 2 is injected separately into co-extrusion device mould, and through cooling shaping, forms compound
Plate.
Further, step d) the drying machine drying temperatures are 110 degree, and drying time is 2 hours.
Further, step e) the high-temperature digestion pipeline heating-up temperatures are 220 DEG C.
Further, the preparation method of described GPPS LED diffusion light-guiding composite plates, it is characterised in that also including following
Step:
G) the GPPS LED diffusion light-guiding composite plates that will form finished product are detected that transmitance reaches requirement with mist degree
After obtain the compound board finished product of GPPS LED diffusion light-guidings and be put in storage.
Compared with prior art, the integrative-structure of GPPS LED diffusion light-guiding composite plates of the invention, can substitute tradition
The two-part structure of light guide plate and diffuser plate in LED panel light fixture, GPPS LED diffusion light-guidings composite plate of the invention is used
GPPS possesses firm, light, on-deformable advantage as main component, meanwhile, the present invention is by diffusion light-guiding composite plate
Integrative-structure, is processed and formed at one time, and reduces the production cost of LED illumination device, and with good effect, meeting market needs
Ask, be adapted to the policy development of Energy Saving Industry.
Brief description of the drawings
Fig. 1 is the Making programme figure of GPPS LED diffusion light-guiding composite plates of the invention.
Specific embodiment
The present invention is described in further details below by embodiment, these embodiments are only used for illustrating the present invention, and
Do not limit the scope of the invention.
A kind of GPPS LED diffusion light-guiding composite plates, it is characterised in that including following mass fraction into being grouped into:
Optical grade GPPS particles 94%
Organic silicon particle 6%.
Fig. 1 is referred to, a kind of preparation method of GPPS LED diffusion light-guiding composite plates is comprised the following steps:
The first step, takes 9 parts of optical grade GPPS particles, pours into container 1 standby;
Second step, by 0.6 part of 0.4 part of optical grade GPPS particles and organic silicon particle, pours into container 2 standby respectively;
3rd step, it is standby after the compound obtained by second step is carried out into uniform stirring 1 hour;
4th step, the pure material of container 1 and the compound obtained by the 3rd step, are evacuated in drying machine 1 and drying machine 2 and are dried respectively
It is dry, moisture content is removed, drying temperature is 110 degree, and the time is 2 hours;
5th step, the material in drying machine 1 and drying machine 2 is delivered in high-temperature digestion pipeline respectively, and temperature is 220
Degree, make its from solid state change be liquid;
6th step, the liquid in pipeline 1 and pipeline 2 is injected separately into co-extrusion device mould, and through cooling shaping, is formed
Composite plate;
7th step, the compound plate thickness of GPPS LED diffusion light-guidings is 1.5mm-3.0mm, and transmitance reaches requirement with mist degree
After obtain the compound board finished product of GPPS LED diffusion light-guidings and be put in storage.
Compared with prior art, the integrative-structure of GPPS LED diffusion light-guiding composite plates of the invention, can substitute tradition
The two-part structure of light guide plate and diffuser plate in LED panel light fixture, GPPS LED diffusion light-guidings composite plate of the invention is used
GPPS possesses firm, light, on-deformable advantage as main component, meanwhile, the present invention is by diffusion light-guiding composite plate
Integrative-structure, is processed and formed at one time, and reduces the production cost of LED illumination device, and with good effect, meeting market needs
Ask, be adapted to the policy development of Energy Saving Industry.
Above-described embodiment is the present invention preferably implementation method, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from Spirit Essence of the invention and the change, modification, replacement made under principle, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.