CN104987643B - A kind of internal irradiation type billboard light diffusing sheet and preparation method thereof - Google Patents
A kind of internal irradiation type billboard light diffusing sheet and preparation method thereof Download PDFInfo
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- CN104987643B CN104987643B CN201510408185.4A CN201510408185A CN104987643B CN 104987643 B CN104987643 B CN 104987643B CN 201510408185 A CN201510408185 A CN 201510408185A CN 104987643 B CN104987643 B CN 104987643B
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Abstract
The present invention discloses a kind of internal irradiation type billboard light diffusing sheet and preparation method thereof.The internal irradiation type billboard light diffusing sheet, its raw material includes the component of following weight portion：100 parts of PMMA resins, 5 15 parts of SAN resins, 1 10 parts of nano silicon, salicylic acid is to 0.1 1 parts of octyl phenyl ester, 0.5 3 parts of damage resistant agent.Internal irradiation type billboard light diffusing sheet scratch resistant performance, translucency, the good flame retardation effect, do not contain halogenated flame retardant, do not result in secondary pollution.
Description
Technical field
The present invention relates to composite board field, and in particular to a kind of internal irradiation type billboard light diffusing sheet and its preparation side
Method.
Background technology
Acrylic, is called PMMA or polymethyl methacrylate, from English acrylic (acrylic plastics).Chemical name is poly- methyl
Methyl acrylate, is commonly called as lucite, is a kind of exploitation important plastic macromolecule material earlier, with preferably transparent
Property, chemical stability and weatherability, easy dyeing, easy processing, attractive appearance, with very low birefringence, have in construction industry
It is widely applied.
The specification species of acryl plates is a lot.Common plate has：Transparent panel, dyeing transparent plate, milky white plate, autochromatic plate；It is special
Planting plate has：Bathroom plate, cloudy-color plate, mirror board, folder fabric swatch, hollow sheeting, anti-impact plate, flame-retardant board, super abrasive plate, surface detail plate,
Matte board, pearlite board, metal effect plate etc..Different performances, different color and visual effect with meet it is Protean will
Ask.Its good optical characteristics and weatherability variation characteristic so that its be often used as street corner mark, advertising lamp box, light diffusing sheet,
Projection closet, display case etc..
At present, in the market acrylic board has a poor toughness, frangible, acrylic decoration panel intensity and difference of hardness, easily scratches, and makes
The shortcomings of valency is high.And its heat distortion temperature is low, only 80 DEG C or so, and also oxygen index (OI) is low, and smoke amount is very big, has a strong impact on it
The security for using.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of preparation method of internal irradiation type billboard light diffusing sheet.
A kind of internal irradiation type billboard light diffusing sheet, its raw material includes the component of following weight portion：100 parts of PMMA resins,
5-15 parts of SAN resins, nano silicon 1-10 parts, salicylic acid is to 0.1-1 parts of octyl phenyl ester, 0.5-3 parts of damage resistant agent.
Preferably, the damage resistant agent be N, N'- ethylene bis stearamides, ESCALOL 567,2,
One or more in 2'- dihydroxy -4,4'- dimethoxy-benzophenone -5,5'- sodium disulfonates of mixture.
It is further preferred that the damage resistant agent, is made up of by weight following components：N, N'- ethylene bis stearamide
10-20 parts, ESCALOL 567 5-10 parts, 2,2' dihydroxy 4,4' dimethoxy benzophenone -5,5'-
Sodium disulfonate 5-10 parts.
It is further preferred that the internal irradiation type billboard light diffusing sheet, its raw material is also fire-retardant including 1-10 weight portions
Agent.
Preferably, the fire retardant is selected from hypo-aluminum orthophosphate, 10- (2,5- dihydroxy phenyl) -10- hydrogen -9- oxa- -10- phosphorus
One or more in miscellaneous phenanthrene -10- oxides, 2- hydroxyethyl phenyl hypophosphorous acid of mixture.
It is further preferred that the fire retardant be hypo-aluminum orthophosphate, 10- (2,5- dihydroxy phenyl) -10- hydrogen -9- oxa-s -
10- phospho hetero phenanthrene -10- oxides, 2- hydroxyethyl phenyl hypophosphorous acid are according to mass ratio 1:1:1 blending is formed.
Present invention also offers the preparation method of the internal irradiation type billboard light diffusing sheet, it comprises the following steps：
(1) dry each component is weighed in proportion, at a high speed blending 3-10min；
(2) at 160~230 DEG C by double screw extruder melting mixing, extrusion bar is cooled to normal temperature by circulating water chennel,
Granulated after being dried through Hairdryer, obtain internal irradiation type billboard light diffusing sheet.
In the present invention,
Salicylic acid is to octyl phenyl ester, No. CAS：2512-56-3.
N, N'- ethylene bis stearamide, No. CAS：110-30-5.
ESCALOL 567, No. CAS：131-57-7.
2,2'- dihydroxy -4,4'- dimethoxy-benzophenone -5,5'- sodium disulfonates, No. CAS：76656-36-5.
Hypo-aluminum orthophosphate, No. CAS：7784-22-7.
10- (2,5- dihydroxy phenyl) -10- hydrogen -9- oxa- -10- phospho hetero phenanthrene -10- oxides, No. CAS：99208-50-
1。
2- hydroxyethyl phenyl hypophosphorous acid, No. CAS：14657-64-8.
Internal irradiation type billboard light diffusing sheet good optical properties of the invention, scratch resistant performance is good, good flame retardation effect, and not
Using halogen containing flame-retardant, secondary pollution is not resulted in.
Specific embodiment
With reference to embodiment, the invention will be further described.
PMMA resins used are the strange beautiful CM-211 resins that Dongguan City deifies Industry investment Co., Ltd in embodiment.
SAN resins used are the SAN PN106 resins of Dongguan City camphorwood head cube plastic cement firm in embodiment.
Embodiment 1
A kind of preparation method of internal irradiation type billboard light diffusing sheet, it comprises the following steps：
(1) dry the following raw material is weighed：100 kilograms of PMMA resins, 10 kilograms of SAN resins, nano silicon 2 is public
Jin, salicylic acid is to 0.5 kilogram of octyl phenyl ester, 0.5 kilogram of damage resistant agent；3-10min is blended at a high speed；
(2) at 180 DEG C by double screw extruder melting mixing, extrusion bar is cooled to normal temperature by circulating water chennel, through blowing
Blower fan blowing is granulated after drying, and obtains internal irradiation type billboard light diffusing sheet.
Wherein, the damage resistant agent, is made up of by weight following components：10 parts of N, N'- ethylene bis stearamide, 2- hydroxyls
5 parts of base -4- methoxy benzophenones, 5 parts of 2,2' dihydroxy 4,4' dimethoxy benzophenone -5,5'- sodium disulfonates.
Embodiment 2
Prepared according to the methods described of embodiment 1, wherein, the damage resistant agent is made up of by weight following components：N,
10 parts of N'- ethylene bis stearamides, 10 parts of ESCALOL 567.
Embodiment 3
Prepared according to the methods described of embodiment 1, wherein the damage resistant agent, is made up of by weight following components：N,N'-
10 parts of ethylene bis stearamide, 10 parts of 2,2' dihydroxy 4,4' dimethoxy benzophenone -5,5'- sodium disulfonates.
Embodiment 4
Prepared according to the methods described of embodiment 1, wherein, the damage resistant agent is made up of by weight following components：2- hydroxyls
10 parts of base -4- methoxy benzophenones, 10 parts of 2,2' dihydroxy 4,4' dimethoxy benzophenone -5,5'- sodium disulfonates.
Embodiment 5
Prepared according to the methods described of embodiment 1, wherein, weighing also includes 2 kilograms of fire retardant in dry the following raw material.
The fire retardant is hypo-aluminum orthophosphate, 10- (2,5- dihydroxy phenyls) -10- hydrogen -9- oxa- -10- phospho hetero phenanthrene -10- oxygen
Compound, 2- hydroxyethyl phenyl hypophosphorous acid are according to mass ratio 1:1:1 blending is formed.
Embodiment 6
Prepared according to the methods described of embodiment 5, wherein, the fire retardant replaces with hypo-aluminum orthophosphate, 10- (2,5- dihydroxy
Phenyl) -10- hydrogen -9- oxa- -10- phospho hetero phenanthrene -10- oxides are according to mass ratio 1:1 blending is formed.
Embodiment 7
Prepared according to the methods described of embodiment 5, wherein, the fire retardant replaces with hypo-aluminum orthophosphate, 2- hydroxyethyl phenyl
Hypophosphorous acid is according to mass ratio 1:1 blending is formed.
Embodiment 8
Prepared according to the methods described of embodiment 5, wherein, the fire retardant replaces with 2- hydroxyethyl phenyl hypophosphorous acid, 10-
(2,5- dihydroxy phenyls) -10- hydrogen -9- oxa- -10- phospho hetero phenanthrene -10- oxides are according to mass ratio 1:1 blending is formed.
Test case
Carrying out optical property, scratch resistance and anti-flammability with light diffusing sheet to the internal irradiation type billboard of embodiment 1~8 is carried out
Test, test result is shown in Table 1.
The method of testing of scratch resistance is to evaluate scuffing degree using scuffing tester.Existed with the scraper of a Mechanical Driven
Billboard light diffusing sheet shows to scrape a line segment figure.Each scraper is only scraped once in one direction.Then one is utilized
Individual colorimeter measures the misalignment △ E that non-scratch surface is compared.
Test condition is：
Temperature：23 ± 5 DEG C,
Support force：10N,
Scratch speed：1000mm/min,
Scraper diameter：1mm.
Table 1：Internal irradiation type billboard light diffusing sheet performance test table
| Total light transmittance, % | Misalignment △ E after scuffing | Oxygen index (OI), % | |
| Embodiment 1 | 88.9 | 0.16 | 27 |
| Embodiment 2 | 85.5 | 0.29 | 29 |
| Embodiment 3 | 86.0 | 0.26 | 26 |
| Embodiment 4 | 87.8 | 0.34 | 27 |
| Embodiment 5 | 88.2 | 0.17 | 44 |
| Embodiment 6 | 86.4 | 0.19 | 40 |
| Embodiment 7 | 84.5 | 0.15 | 41 |
| Embodiment 8 | 85.2 | 0.20 | 38 |
Can significantly be drawn by the test data of table 1, the present invention has preferable optical property and scratch resistant performance, especially
Be embodiment 1 compared with embodiment 2-4, embodiment 1 has used N, N'- ethylene bis stearamides, 2- hydroxyl -4- methoxyl groups two
Benzophenone, 2,2'- dihydroxy -4,4'- dimethoxy-benzophenone -5, the damage resistant agent of 5'- sodium disulfonates compounding are better
Substantially, there is synergistic function between several components.
Embodiment 5-8 adds fire retardant, increased the fire resistance of internal irradiation type billboard light diffusing sheet of the present invention, especially
It is embodiment 4 compared with embodiment 5-8, embodiment 4 used hypo-aluminum orthophosphate, 10- (2,5- dihydroxy phenyl) -10- hydrogen -
9- oxa- -10- phospho hetero phenanthrene -10- oxides, 2- hydroxyethyl phenyl hypophosphorous acid are according to mass ratio 1:1:The fire retardant of 1 compounding, effect
It is really fairly obvious.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those of ordinary skill in the art disclosed herein technical scope in, the change that can expect without creative work or
Replace, should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be limited with claims
Fixed protection domain is defined.
Claims (4)
1. a kind of internal irradiation type billboard light diffusing sheet, it is characterised in that raw material includes the component of following weight portion：PMMA resins
100 parts, 5-15 parts of SAN resins, nano silicon 1-10 parts, salicylic acid is to 0.1-1 parts of octyl phenyl ester, damage resistant agent 0.5-
3 parts；
The damage resistant agent, is made up of by weight following components：10-20 parts of N, N'- ethylene bis stearamide, 2- hydroxyls -4-
Methoxy benzophenone 5-10 parts, 5-10 parts of 2,2' dihydroxy 4,4' dimethoxy benzophenone -5,5'- sodium disulfonates.
2. internal irradiation type billboard light diffusing sheet as claimed in claim 1, it is characterised in that：Its raw material also includes 1-10 weight
The fire retardant of part.
3. internal irradiation type billboard light diffusing sheet as claimed in claim 2, it is characterised in that：The fire retardant is hypophosphorous acid
Aluminium, 10- (2,5- dihydroxy phenyls) -10- hydrogen -9- oxa- -10- phospho hetero phenanthrene -10- oxides, 2- hydroxyethyl phenyl hypophosphorous acid
According to mass ratio 1:1:1 blending is formed.
4. the preparation method of internal irradiation type billboard light diffusing sheet any one of claim 1-3, it is characterised in that including
Following steps：
(1) dry each component is weighed in proportion, at a high speed blending 3-10min；
(2) at 160~230 DEG C by double screw extruder melting mixing, extrusion bar is cooled to normal temperature by circulating water chennel, through blowing
Blower fan blowing is granulated after drying, and obtains internal irradiation type billboard light diffusing sheet.
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| CN105907015A (en) * | 2016-07-06 | 2016-08-31 | 南通鸿图橡塑有限公司 | Elevator light panel plastic |
| CN106633573A (en) * | 2016-12-21 | 2017-05-10 | 浙江龙游展宇有机玻璃有限公司 | Anti-scratch acrylic plate and preparation method thereof |
| CN107418076A (en) * | 2017-06-28 | 2017-12-01 | 常州大智光电有限公司 | Lightweight diffuser plate and its preparation technology |
| CN109206813A (en) * | 2017-07-03 | 2019-01-15 | 镇江市睿泽文化传播有限公司 | A kind of high rigidity advertisement plate |
| CN111205580A (en) * | 2020-02-28 | 2020-05-29 | 贵州民族大学 | Polymethyl methacrylate, phosphaphenanthrene and polyphosphazene double-base synergistic flame-retardant composite material and preparation method and application thereof |
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| KR100786483B1 (en) * | 2005-10-25 | 2007-12-17 | 주식회사 엘지화학 | Light diffusion blend composition |
| CN100569848C (en) * | 2007-02-12 | 2009-12-16 | 刘红 | A kind of novel material and preparation technology thereof and application |
| JP2009126996A (en) * | 2007-11-27 | 2009-06-11 | Nippon Steel Chem Co Ltd | Resin composition for light diffusion plate and light diffusion plate |
| CN101787164A (en) * | 2009-11-09 | 2010-07-28 | 上海锦湖日丽塑料有限公司 | Scratch-resistant resin blend and preparation method thereof |
| CN103819857A (en) * | 2012-11-17 | 2014-05-28 | 安徽蓝德集团股份有限公司 | Granulation method for high-polished injection-molded piece resin |
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Effective date of registration: 20190428 Address after: Room J3218, 1st floor E, Building 358_368 Kefu Road, Jiading District, Shanghai, 201802 Patentee after: Shanghai Jinfans Intelligent Marking Co., Ltd. Address before: Room 4251, 4th floor, 1755 Lane 5, Qibei Highway, Nanxiang Town, Jiading District, Shanghai, 201802 Patentee before: SHANGHAI G-FACE SIGNAGE CO., LTD. |