Emulsion pressure sensitive adhesive for anti-yellowing surface protective film and preparation method thereof
What is Al technical title?
Al technical title is built by PatSnap Al team. It summarizes the technical point description of the patent document.
A surface protection film and anti-yellowing technology, which is applied in the direction of pressure-sensitive films/sheets, adhesives, film/sheet-shaped adhesives, etc., can solve the problems affecting product appearance and performance, yellowing of protective films, etc., to achieve Excellent anti-yellowing performance, good conformability, and the effect of meeting the performance requirements
Active Publication Date: 2016-08-24
SHANGHAI BAOLIJIA NEW MATERIAL CO LTD
View PDF4 Cites 24 Cited by
Summary
Abstract
Description
Claims
Application Information
AI Technical Summary
This helps you quickly interpret patents by identifying the three key elements:
Problems solved by technology
Method used
Benefits of technology
Problems solved by technology
However, most of the existing emulsion-type polyacrylate pressure-sensitive adhesives will have yellowing problems when the protective film is made, which greatly affects the appearance and performance of the product.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more
Image
Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
Click on the blue label to locate the original text in one second.
Reading with bidirectional positioning of images and text.
Smart Image
Examples
Experimental program
Comparison scheme
Effect test
Embodiment approach 1
[0047]Embodiment 1, an emulsion pressure-sensitive adhesive for an anti-yellowing surface protective film, which is prepared by polymerizing the raw materials of each component in a reactor. Calculated by weight percentage, the raw materials of each component include:
[0048] Soft monomer 40.5%~45.5%;
[0049] Hard monomer 1.3%~4.3%;
[0050] Functional monomer 1.7%~3.3%;
[0051] Emulsifier 0.8~2.2%;
[0052] Initiator 0.2~0.5%;
[0053] Buffer 0.1~0.2%;
[0054] Neutralizer 0.4~1.3%;
[0055] Oxidant 0.05~0.2%;
[0056] Reducing agent 0.05~0.2%;
[0057] Deionized water 47.5% to 52.5%.
Embodiment approach 2
[0058] Embodiment 2 is the same as Embodiment 1, the difference is that the soft monomer is selected from the group consisting of butyl acrylate, isooctyl acrylate, isooctyl methacrylate, ethyl acrylate, lauryl acrylate, and stearyl acrylate. Any one or a combination of several;
[0059] The hard monomer is selected from any one or a combination of methyl methacrylate, methyl acrylate, and acrylonitrile;
[0060] The functional monomer is selected from any one or a combination of hydroxyethyl acrylate, hydroxypropyl acrylate, acrylic acid, methacrylic acid, hydroxyethyl methacrylate, hydroxypropyl methacrylate, and acrylamide.
Embodiment approach 3
[0061] Embodiment 3, the same as Embodiment 1, the difference is that the emulsifier is an anionic emulsifier selected from sodium dodecyl diphenyl ether disulfonate, sodium lauryl sulfate, allyloxy hydroxypropyl Any one or combination of sodium sulfonate, nonylphenol polyoxyethylene ether ammonium sulfate.
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
PUM
Login to view more
Abstract
The invention provides an emulsion pressure sensitive adhesive for an anti-yellowing surface protective film. The emulsion pressure sensitive adhesive is prepared by polymerization of various raw material components in a reaction still in percentage by weight: 40.5-45.5 percent of a soft monomer, 1.3-4.3 percent of a hard monomer, 1.7-3.3 percent of a functional monomer, 0.8-2.2 percent of an emulsifier, 0.2-0.5 percent of an initiator, 0.1-0.2 percent of a buffering agent, 0.4-1.3 percent of neutralizer, 0.05-0.2 percent of oxidizing agent, 0.05-0.2 percent of a reducing agent and 47.5-52.5 percent of deionized water. The protective film prepared by the invention is excellent in anti-yellowing property and favorable in adhesion property with color plates and aluminium plates, is free from phenomena such as degumming and adhesive residue after being stripped, has no pollution on substrates and meets the use performance requirements of the protective film.
Description
technical field [0001] The invention relates to an emulsion pressure-sensitive adhesive and a preparation method thereof, in particular to an emulsion pressure-sensitive adhesive for surface protection film and a preparation method thereof. Background technique [0002] The full name of pressure-sensitive adhesive is pressure-sensitive adhesive, which means that the adhesive can immediately achieve the purpose of bonding and cleaning the surface of the adherend by using the touch pressure. The characteristics of the pressure-sensitive adhesive on the surface of the object are that it is easy to stick, not difficult to remove, not damaged when peeled off, and the adhesive layer will not dry up in a long period of time. It is mainly used in the manufacture of pressure-sensitive adhesive products such as pressure-sensitive tapes, adhesive sheets and pressure-sensitive labels, and is widely used in various industries such as light industrial packaging, automobile manufacturing...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more
Application Information
Patent Timeline
Application Date:The date an application was filed.
Publication Date:The date a patent or application was officially published.
First Publication Date:The earliest publication date of a patent with the same application number.
Issue Date:Publication date of the patent grant document.
PCT Entry Date:The Entry date of PCT National Phase.
Estimated Expiry Date:The statutory expiry date of a patent right according to the Patent Law, and it is the longest term of protection that the patent right can achieve without the termination of the patent right due to other reasons(Term extension factor has been taken into account ).
Invalid Date:Actual expiry date is based on effective date or publication date of legal transaction data of invalid patent.
Login to view more 
Login to view more