WO2013104168A1 - 一种再贴方便的软质白板 - Google Patents

一种再贴方便的软质白板 Download PDF

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Publication number
WO2013104168A1
WO2013104168A1 PCT/CN2012/076209 CN2012076209W WO2013104168A1 WO 2013104168 A1 WO2013104168 A1 WO 2013104168A1 CN 2012076209 W CN2012076209 W CN 2012076209W WO 2013104168 A1 WO2013104168 A1 WO 2013104168A1
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film
coating
whiteboard
adhesive
soft
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PCT/CN2012/076209
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English (en)
French (fr)
Inventor
俞晓光
阳芳
黎元科
陈小良
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东莞中世拓实业有限公司
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Publication of WO2013104168A1 publication Critical patent/WO2013104168A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
    • B43L1/002—Repeatedly-usable boards or tablets for writing or drawing chemical details
    • 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
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09D133/08—Homopolymers or copolymers of acrylic acid esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
    • C09J133/04—Homopolymers or copolymers of esters
    • C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09J133/08—Homopolymers or copolymers of acrylic acid esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/22—Plastics; Metallised plastics
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2423/00—Presence of polyolefin
    • C09J2423/10—Presence of homo or copolymers of propene
    • C09J2423/106—Presence of homo or copolymers of propene in the substrate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2427/00—Presence of halogenated polymer
    • C09J2427/006—Presence of halogenated polymer in the substrate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2433/00—Presence of (meth)acrylic polymer
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2467/00—Presence of polyester
    • C09J2467/006—Presence of polyester in the substrate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2475/00—Presence of polyurethane
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2483/00—Presence of polysiloxane

Definitions

  • the utility model relates to a soft whiteboard, in particular to a soft whiteboard which is convenient for re-sticking.
  • re-sticking refers to a post that can be conveniently picked up and attached to another place after being pasted, even if the soft whiteboard is intact. Lossless, without hurting the wall.
  • the soft whiteboard has the functions of repeated writing and wiping or ⁇ and projection. Compared with the traditional hard plastic whiteboard, it has the advantages of being curlable, convenient to transport, occupying less space and being beautiful.
  • Soft whiteboards currently on the market are mainly posted through four principles: magnetic, electrostatic, vacuum adsorption or gluing. Magnetic adsorption requires the magnetic surface of the surface to be attached; the electrostatic and vacuum adsorption adhesion is weak, and long-term paste cannot be achieved; the existing adhesive products cannot be balanced in the long-term and repeated pasting. If long-term paste is required, the adhesive will be peeled off. Or destroy the latex wall; if you need to paste repeatedly, you can't guarantee long-term paste. Therefore, there is currently no soft whiteboard that can simultaneously satisfy the convenience, long-term and repeated application on the flat and dense surface of latex wall, glass, wood board and the like.
  • Whiteboard applications are generally posted on latex walls. Although soft whiteboards have more advantages than traditional hard plastic whiteboards, their wide application is greatly limited by the defects of posting. How to realize the soft whiteboard and then put it on is an important topic for the soft whiteboard to take a new step in application.
  • the utility model aims to overcome the above-mentioned deficiencies of the prior art and to meet the market demand, and to provide a soft whiteboard which is convenient for re-sticking, and can simultaneously realize convenient, long-term and repeated pasting on a flat and dense surface such as a latex wall, glass or wood board.
  • the utility model relates to a soft whiteboard with convenient re-sticking, comprising a film as a substrate, one side of the film is a use surface capable of writing wiping or ⁇ and projection, and the other side of the film is provided with an adhesive coating.
  • the adhesive coating is a high molecular polymer coating having elastic soft rubber properties.
  • the adhesive coating is a polyurethane coating, a polyacrylate coating or a silicone resin coating.
  • the film is a PET film, a PP film or a PVC film, or a composite film.
  • the film has a thickness of 20 to 300 um.
  • the other side of the film is either provided with a soft magnetic sheet.
  • a layer of release material is applied to the adhesive coating.
  • the release material layer is a silicon coated, fluorine release film or silicon coated release paper.
  • the utility model utilizes the principle of vacuum adsorption and adhesion, and the specific bonding mechanism thereof is: the adhesive coating has low viscosity and low surface tension property, and the bonding strength is not large, but the elasticity is good and the cohesive force is strong, when pasting,
  • the adhesive coating quickly adheres to the bonded body (such as latex paint wall, glass, stainless steel or wood board, etc.), so that the adhesion of the soft whiteboard to the surface to be attached is quickly maximized, and it is easy to form a closed Atmospheric negative pressure contact surface, the surface of the bonded body is brought into contact with the film as a substrate by a closed atmospheric negative pressure contact to generate sufficient adsorption force, and the film is combined with sufficient adsorption force and low-strength adhesion force.
  • the surface of the bonded body is tightly attached. Since the bonding is not solely dependent on the adhesive force, but mainly by the adsorption force of the adhesive surface of the adhesive formed on the surface of the bonded body, the adhesive does not fall off and has repeated bonding. Sex, easy to stick, will not damage the film when picking up, and will not hurt the bonded body, leaving no residue.
  • the utility model has the beneficial effects that: Firstly, the problem that the whiteboard cannot be simultaneously convenient, long-term and repeated pasting in the latex paint wall, the glass, the stainless steel and the wood board is solved.
  • the adhesive coating forms a stable adhesive force and vacuum adsorption force on the surface of the adherend, so that the whiteboard can achieve long-term adhesive performance under low-viscosity characteristics.
  • the repeating paste performance is good, and the soft whiteboard and the bonded body are not damaged when the picking is removed, and no residual glue is left.
  • the weather resistance is excellent, and the viscosity and elasticity of the adhesive coating are stable under time or environmental changes, and the long-term posting on a flat and dense surface such as a latex wall, glass, or wood board is achieved.
  • it can promote the wide application of soft whiteboards, enabling the society to truly enjoy the advantages and progress of soft whiteboards compared to traditional hard whiteboards.
  • Figure 1 is a schematic view of the utility model.
  • the utility model relates to a soft whiteboard with convenient re-sticking, comprising a film 1 as a substrate, one side of which is a use surface capable of writing wiping or ⁇ and projection, and the surface is coated.
  • the other side of the film is provided with an adhesive coating 2 which is a high molecular polymer coating having elastic soft rubber properties.
  • the adhesive coating 2 is a polyurethane coating, a polyacrylate coating or a silicone resin coating, or a combination of at least two of them.
  • the film 1 is a PET film, a PP film or a PVC film, or a composite film.
  • the film 1 has a thickness of 20 to 300 um.
  • the other surface of the film 1 is provided with a soft magnetic sheet.
  • the adherend is an iron body, it can exert a magnetic field attraction force to facilitate the bonding.
  • the release coating layer 3 is applied to the adhesive coating 2.
  • the release material layer 3 serves to protect the adhesive coating layer 2, and the release material layer 3 is torn off when pasted.
  • the release material layer 3 is a silicon coated, fluorine release film or silicon coated release paper.
  • the utility model For a soft whiteboard that is easy to re-stick, it solves the problem that the whiteboard can not be convenient, long-term and repeated pasting in latex paint wall, glass, stainless steel and wood board. It has good repeating performance, excellent weather resistance and can promote softness.
  • the wide application of whiteboards enables the society to truly enjoy the advantages and progress of soft whiteboards over traditional hard whiteboards, with industrial applicability.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Laminated Bodies (AREA)
  • Drawing Aids And Blackboards (AREA)

Abstract

公开了一种再贴方便的软质白板。所述白板包括作为基材的薄膜（1），其中所述薄膜的一面用于书写、擦拭或/和投影，所述薄膜的另一面设有粘胶涂层（2）。所述粘胶涂层为具有弹性软胶特性的高分子聚合物涂层，如聚氨酯涂层、聚丙烯酸酯涂层或有机硅树脂涂层，所述粘胶涂层上贴覆离型材料层（3）。在粘合力和真空吸附力的共同作用下，所述白板在低粘特性情况下具有好的长期粘贴性能和重复粘贴性能，且移除时不破坏软质白板及被粘接体、以及无粘胶残留，从而在乳胶漆墙、玻璃、不锈钢或木板表面上可同时实现白板的便捷、反复和长期粘贴。

Description

一种再贴方便的软质白板 技术领域
本实用新型涉及软质白板，尤指一种再贴方便的软质白板，所谓“再贴”指在一处贴过后，能便利的摘取下来贴到另一处，既使软质白板完好无损，又不伤及墙面等。
背景技术
软质白板具有可反复书写擦拭或\和投影的功能，较传统硬塑白板有可卷曲、运输方便、占用空间少及美观等优势。目前市场上的软质白板主要通过四种原理张贴：磁性、静电、真空吸附或胶粘。磁性吸附要求被贴表面具有磁性特征；静电、真空吸附粘结力较弱，不可实现长期粘贴；现有胶粘产品无法在长期与反复粘贴间取得平衡，若需长期粘贴，剥离时会残胶或破坏乳胶墙面；若需反复粘贴，就无法保证长期粘贴。故目前无一种软质白板可同时满足便捷、可长期和可反复粘贴于乳胶墙、玻璃、木板等平整致密表面。
白板应用时一般张贴于乳胶墙面，虽软质白板较传统硬塑白板有较多的优点，但因张贴的缺陷极大限制了其广泛应用。如何实现软质白板再贴方便，是软质白板走上应用新台阶的一个重要课题。
 技术问题
本实用新型旨在克服现有技术的上述不足及适应市场需求，提供一种再贴方便的软质白板，能同时实现便捷、长期并反复粘贴于乳胶墙、玻璃、木板等平整致密表面。
技术解决方案
为此，本实用新型一种再贴方便的软质白板采用如下技术方案：
本实用新型一种再贴方便的软质白板，包括作为基材的薄膜，所述薄膜的一面为能书写擦拭或\和投影的使用面，所述薄膜的另一面制有粘胶涂层，所述粘胶涂层为具有弹性软胶特性的高分子聚合物涂层。
对上述技术方案进行进一步阐述：
所述粘胶涂层为聚氨酯涂层、聚丙烯酸酯涂层或有机硅树脂涂层。
所述薄膜为PET薄膜、PP薄膜或PVC薄膜，或复合薄膜。
所述薄膜的厚度为20~300um。
所述薄膜的所述另一面上或者设有软磁片。
所述粘胶涂层上贴覆离型材料层。
所述离型材料层为涂硅、氟素离型膜或涂硅离型纸。
本实用新型运用真空吸附和胶粘原理，其具体的贴接机理是：所述粘胶涂层为低粘性及低表面张力特性，粘接强度不大，但弹性好、凝聚力强，粘贴时，粘胶涂层快速与被粘接体（如乳胶漆墙、玻璃、不锈钢或木板等平整致密表面）贴合，使软质白板在被贴表面的粘合力迅速达到最大值，容易形成密闭的大气负压接触面，被粘接体表面通过密闭的大气负压接触面对作为基材的薄膜产生足够的吸附力，在足够的吸附力与低强度粘接力的共同作用下，使薄膜与被粘接体表面紧紧贴接。由于这种贴接不是仅仅依赖于粘接力，而是主要靠粘胶涂层与被粘接体表面形成的大气负压接触面的吸附力作用，所以既不会脱落，同时又具有重复粘贴性，再贴便捷，移摘时不会伤薄膜，也不会伤及被粘接体，不留残胶。
 有益效果
同现有技术相比，本实用新型的有益效果在于：其一，解决了白板在乳胶漆墙、玻璃、不锈钢及木板等无法同时兼顾便捷、长期和反复粘贴的问题。所述粘胶涂层与被粘接体表面形成了稳定的粘合力和真空吸附力，使得白板在低粘特性情况下亦可实现长期粘贴性能。其二，重复粘贴性能好，移摘时不破坏软质白板及被粘接体、不留残胶。其三，耐候性优异，所述粘胶涂层的粘性及弹性在时间或环境的变化下保持稳定，实现长期张贴于乳胶墙、玻璃、木板等平整致密表面。其四，能促进软质白板的广泛应用，能使社会真正享用到软质白板相对传统硬质白板的优势和进步。
附图说明
图1为本实用新型示意图。
图中：1、薄膜；2、粘胶涂层；3、离型材料层。
本发明的实施方式
下面，结合附图介绍本实用新型的具体实施方式。
如图1所示，本实用新型一种再贴方便的软质白板，包括作为基材的薄膜1，所述薄膜的一面为能书写擦拭或\和投影的使用面，该使用面经过涂布处理或砂化处理，所述薄膜的另一面制有粘胶涂层2，所述粘胶涂层2为具有弹性软胶特性的高分子聚合物涂层。
所述粘胶涂层2为聚氨酯涂层、聚丙烯酸酯涂层或有机硅树脂涂层，也可以是它们中至少两种的组合。
所述薄膜1为PET薄膜、PP薄膜或PVC薄膜，或复合薄膜。
所述薄膜1的厚度为20~300um。
所述薄膜1的所述另一面上或者设有软磁片，当被粘接体为铁质体时，可以发挥磁场吸引力的作用，利于贴接。
所述粘胶涂层2上贴覆离型材料层3。离型材料层3起保护所述粘胶涂层2的作用，粘贴时，将离型材料层3撕掉。
所述离型材料层3为涂硅、氟素离型膜或涂硅离型纸。
上述实施例并非对本实用新型的技术范围作任何限制。本行业的技术人员，在本技术方案的启迪下，可做出一些变形与修改，凡是依据本实用新型的技术实质对以上的实施例所作的任何修改、等同变化与修饰，均仍属于本实用新型技术方案的范围内。
 工业实用性
本实用新型 为一种再贴方便的软质白板，解决了白板在乳胶漆墙、玻璃、不锈钢及木板等无法同时兼顾便捷、长期和反复粘贴的问题，重复粘贴性能好，耐候性优异，能促进软质白板的广泛应用，能使社会真正享用到软质白板相对传统硬质白板的优势和进步，具有工业实用性。

Claims (7)

1.一种再贴方便的软质白板，包括作为基材的薄膜，所述薄膜的一面为能书写擦拭或\和投影的使用面，其特征在于：所述薄膜的另一面制有粘胶涂层，所述粘胶涂层为具有弹性软胶特性的高分子聚合物涂层。
2.根据权利要求1所述的一种再贴方便的软质白板，其特征在于：所述粘胶涂层为聚氨酯涂层、聚丙烯酸酯涂层或有机硅树脂涂层。
3.根据权利要求1所述的一种再贴方便的软质白板，其特征在于：所述薄膜为PET薄膜、PP薄膜或PVC薄膜，或复合薄膜。
4.根据权利要求1所述的一种再贴方便的软质白板，其特征在于：所述薄膜的厚度为20~300um。
5.根据权利要求1所述的一种再贴方便的软质白板，其特征在于：所述薄膜的另一面上设有软磁片。
6.根据权利要求1所述的一种再贴方便的软质白板，其特征在于：所述粘胶涂层上贴覆离型材料层。
7.根据权利要求6所述的一种再贴方便的软质白板，其特征在于：所述离型材料层为涂硅、氟素离型膜或涂硅离型纸。
PCT/CN2012/076209 2012-01-09 2012-05-29 一种再贴方便的软质白板 WO2013104168A1 (zh)

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CN2012200054578U CN202491593U (zh) 2012-01-09 2012-01-09 一种再贴方便的软质白板

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CN114163942A (zh) * 2021-12-22 2022-03-11 广东邦固薄膜涂料创新研究院有限公司 一种便携式白板膜及其制备方法

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CN114163942A (zh) * 2021-12-22 2022-03-11 广东邦固薄膜涂料创新研究院有限公司 一种便携式白板膜及其制备方法

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