CN107828072A - 扩散片 - Google Patents

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CN107828072A
CN107828072A CN201711085486.3A CN201711085486A CN107828072A CN 107828072 A CN107828072 A CN 107828072A CN 201711085486 A CN201711085486 A CN 201711085486A CN 107828072 A CN107828072 A CN 107828072A
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parts
diffusion sheet
coating
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positive
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张永宏
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    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/18—Homopolymers or copolymers of nitriles
    • C08L33/20—Homopolymers or copolymers of acrylonitrile
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
    • C08L71/02—Polyalkylene oxides
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    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
    • C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
    • C09D123/04—Homopolymers or copolymers of ethene
    • C09D123/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2333/18—Homopolymers or copolymers of nitriles
    • C08J2333/20—Homopolymers or copolymers of acrylonitrile
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08J2371/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
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    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08L2205/00—Polymer mixtures characterised by other features
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Abstract

一种扩散片，包括扩散片本体，涂覆在扩散片本体正面的正涂层，涂覆在扩散片本体背面的背涂层。本扩散片通过将扩散片选用合适的材料，在扩散片正面和背面分别镀上正涂层、背涂层，得到扩散片扩散效果比普通扩散片高出10％‑15％，同时材料廉价易得，节约成本。

Description

扩散片
技术领域
本发明涉及材料技术领域，具体涉及一种扩散片。
背景技术
扩散片是背光模组组成之一，扩散板(Diffuser)也有人叫它扩散片，主要功能为显示器提供一个均匀的面光源。基材需选择光透过率高的材料如PET/PC/PMMA。一般传统的扩散膜主要是在扩散膜基材中，加入一颗颗的化学颗粒，作为散射粒子，而现有之扩散板其微粒子分散在树指层之间，所以光缐在经过扩散层时会不断的再两个折射率相异的介质中穿过，在此同时光缐就会发生许多折射、反射与散射的现象，如此便造成了光学扩散的效果。但是现有扩散片性能依然不能满足要求。
发明内容
本发明为解决上述问题，提供一种扩散片。
本发明所要解决的技术问题采用以下的技术方案来实现：
一种扩散片，包括扩散片本体，涂覆在扩散片本体正面的正涂层，涂覆在扩散片本体背面的背涂层。
所述扩散片本体由以下重量份的原料组成：
环氧树脂3-5份，聚环氧乙烷10-20份，聚丙烯腈纤维11-13份，聚酰胺2-6份，聚丁二烯-丙烯腈4-5份，聚芳砜5-7份，三醋酸纤维素3-5份，聚丙烯酸丁酯2-4份，丙烯酸乙酯共聚物5-8份。
优选的，所述扩散片本体由以下重量份的原料组成：
环氧树脂4份，聚环氧乙烷15份，聚丙烯腈纤维12份，聚酰胺4份，聚丁二烯-丙烯腈4份，聚芳砜6份，三醋酸纤维素4份，聚丙烯酸丁酯3份，丙烯酸乙酯共聚物6份。
所述正涂层由以下重量份的原料组成：
石棉纤维2-3份，珠光粉6-10份，果冻蜡5-8份，云母粉4-6份，钛白粉5-8份，石墨烯5-8份，立德粉3-5份。
所述背涂层由以下重量份的原料组成：
浮油松香2-2.5份，瓷粉0.5-1.2份，聚乙烯45-55份，丙烯腈-苯乙烯树脂5-8份，虫胶1.5-2.5份，蜜蜡1.2-1.8份，滑石粉0.6-1.4份。
所述扩散片本体、正涂层、背涂层厚度比为(10-20):1:1。
本发明的有益效果为：本扩散片通过将扩散片选用合适的材料，在扩散片正面和背面分别镀上正涂层、背涂层，得到扩散片扩散效果比普通扩散片高出10％-15％，同时材料廉价易得，节约成本。
具体实施方式
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解，下面结合实施例，进一步阐述本发明。
实施例1
一种扩散片，包括扩散片本体，涂覆在扩散片本体正面的正涂层，涂覆在扩散片本体背面的背涂层。
所述扩散片本体由以下重量份的原料组成：
环氧树脂3份，聚环氧乙烷10份，聚丙烯腈纤维11份，聚酰胺2份，聚丁二烯-丙烯腈4份，聚芳砜5份，三醋酸纤维素3份，聚丙烯酸丁酯2份，丙烯酸乙酯共聚物5份。
所述正涂层由以下重量份的原料组成：
石棉纤维2-3份，珠光粉6-10份，果冻蜡5-8份，云母粉4-6份，钛白粉5-8份，石墨烯5-8份，立德粉3-5份。
所述背涂层由以下重量份的原料组成：
浮油松香2-2.5份，瓷粉0.5-1.2份，聚乙烯45-55份，丙烯腈-苯乙烯树脂5-8份，虫胶1.5-2.5份，蜜蜡1.2-1.8份，滑石粉0.6-1.4份。
所述扩散片本体、正涂层、背涂层厚度比为(10-20):1:1。
实施例2
一种扩散片，包括扩散片本体，涂覆在扩散片本体正面的正涂层，涂覆在扩散片本体背面的背涂层。
所述扩散片本体由以下重量份的原料组成：
环氧树脂4份，聚环氧乙烷15份，聚丙烯腈纤维12份，聚酰胺4份，聚丁二烯-丙烯腈4份，聚芳砜6份，三醋酸纤维素4份，聚丙烯酸丁酯3份，丙烯酸乙酯共聚物6份。
所述正涂层由以下重量份的原料组成：
石棉纤维2-3份，珠光粉6-10份，果冻蜡5-8份，云母粉4-6份，钛白粉5-8份，石墨烯5-8份，立德粉3-5份。
所述背涂层由以下重量份的原料组成：
浮油松香2-2.5份，瓷粉0.5-1.2份，聚乙烯45-55份，丙烯腈-苯乙烯树脂5-8份，虫胶1.5-2.5份，蜜蜡1.2-1.8份，滑石粉0.6-1.4份。
所述扩散片本体、正涂层、背涂层厚度比为(10-20):1:1。
实施例3
一种扩散片，包括扩散片本体，涂覆在扩散片本体正面的正涂层，涂覆在扩散片本体背面的背涂层。
所述扩散片本体由以下重量份的原料组成：
环氧树脂5份，聚环氧乙烷20份，聚丙烯腈纤维13份，聚酰胺6份，聚丁二烯-丙烯腈5份，聚芳砜7份，三醋酸纤维素5份，聚丙烯酸丁酯4份，丙烯酸乙酯共聚物8份。
所述正涂层由以下重量份的原料组成：
石棉纤维2-3份，珠光粉6-10份，果冻蜡5-8份，云母粉4-6份，钛白粉5-8份，石墨烯5-8份，立德粉3-5份。
所述背涂层由以下重量份的原料组成：
浮油松香2-2.5份，瓷粉0.5-1.2份，聚乙烯45-55份，丙烯腈-苯乙烯树脂5-8份，虫胶1.5-2.5份，蜜蜡1.2-1.8份，滑石粉0.6-1.4份。
所述扩散片本体、正涂层、背涂层厚度比为(10-20):1:1。
以上显示和描述了本发明的基本原理、主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的仅为本发明的优选例，并不用来限制本发明，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。

Claims (6)

1.一种扩散片，其特征在于，包括扩散片本体，涂覆在扩散片本体正面的正涂层，涂覆在扩散片本体背面的背涂层。
2.如权利要求1所述的扩散片，其特征在于，所述扩散片本体由以下重量份的原料组成：
环氧树脂3-5份，聚环氧乙烷10-20份，聚丙烯腈纤维11-13份，聚酰胺2-6份，聚丁二烯-丙烯腈4-5份，聚芳砜5-7份，三醋酸纤维素3-5份，聚丙烯酸丁酯2-4份，丙烯酸乙酯共聚物5-8份。
3.如权利要求1所述的扩散片，其特征在于，所述扩散片本体由以下重量份的原料组成：
环氧树脂4份，聚环氧乙烷15份，聚丙烯腈纤维12份，聚酰胺4份，聚丁二烯-丙烯腈4份，聚芳砜6份，三醋酸纤维素4份，聚丙烯酸丁酯3份，丙烯酸乙酯共聚物6份。
4.如权利要求1所述的扩散片，其特征在于，所述正涂层由以下重量份的原料组成：
石棉纤维2-3份，珠光粉6-10份，果冻蜡5-8份，云母粉4-6份，钛白粉5-8份，石墨烯5-8份，立德粉3-5份。
5.如权利要求1所述的扩散片，其特征在于，所述背涂层由以下重量份的原料组成：
浮油松香2-2.5份，瓷粉0.5-1.2份，聚乙烯45-55份，丙烯腈-苯乙烯树脂5-8份，虫胶1.5-2.5份，蜜蜡1.2-1.8份，滑石粉0.6-1.4份。
6.如权利要求1至5任一所述的扩散片，其特征在于，所述扩散片本体、正涂层、背涂层厚度比为(10-20):1:1。
CN201711085486.3A 2017-11-07 2017-11-07 扩散片 Pending CN107828072A (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101489785A (zh) * 2006-07-19 2009-07-22 电气化学工业株式会社 苯乙烯系树脂组合物和成型体
CN101603664A (zh) * 2009-06-23 2009-12-16 中国乐凯胶片集团公司 一种光学扩散膜
CN102109144A (zh) * 2009-12-23 2011-06-29 东莞市群跃电子材料科技有限公司 一种背光模组中下扩散片及其制作方法
CN102109709A (zh) * 2009-12-23 2011-06-29 东莞市群跃电子材料科技有限公司 用于小尺寸lcd背光模组中的下扩散片及其制作方法
CN202904046U (zh) * 2012-10-10 2013-04-24 江阴通利光电科技有限公司 一种光学扩散膜片

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101489785A (zh) * 2006-07-19 2009-07-22 电气化学工业株式会社 苯乙烯系树脂组合物和成型体
CN101603664A (zh) * 2009-06-23 2009-12-16 中国乐凯胶片集团公司 一种光学扩散膜
CN102109144A (zh) * 2009-12-23 2011-06-29 东莞市群跃电子材料科技有限公司 一种背光模组中下扩散片及其制作方法
CN102109709A (zh) * 2009-12-23 2011-06-29 东莞市群跃电子材料科技有限公司 用于小尺寸lcd背光模组中的下扩散片及其制作方法
CN202904046U (zh) * 2012-10-10 2013-04-24 江阴通利光电科技有限公司 一种光学扩散膜片

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