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An anodized aluminum, hot stamping back technology, applied in the direction of adhesives, polymer adhesive additives, non-polymer adhesive additives, etc. Blistering and other problems, to achieve the effect of good gloss, complete hot stamping pattern and good edge trimming
Inactive Publication Date: 2013-08-21
GUANGDONG BANGGU CHEM TECH
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Abstract
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Problems solved by technology
At present, the relatively mature oil-based hot stamping glue (almost always contains benzene) has been greatly restricted and challenged; while the emerging water-based glue has solved the problem of VOC emissions, but it has its own relatively large shortcomings, such as: the glue is not easy to store. Stable, the paint film is difficult to bake and dry (especially in high humidity environment), and the ink substrate with large area of hot stamping is blistered or incomplete, etc., so it has not formed a good market
Method used
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Embodiment 1
[0028] A benzene-free high-speed anodized aluminum hot stamping adhesive and a preparation method thereof, comprising the following process steps:
[0029] Step 1: Put 40 kg of ethyl acetate, 20 kg of methylcyclohexane and 18 kg of n-propyl acetate into the reaction kettle and heat to 50°C;
[0030] Step 2: Add 12 kilograms of modified chlorinated polypropylene resin, 15 kilograms of petroleum resin, 20 kilograms of chlorinated paraffin and 5 kilograms of additives successively under constant temperature stirring condition;
[0031] Step 3: After the solid resin is completely dissolved, add 0.6 kg of wetting agent in the proportion required by the formula, and continue stirring for 60-90 minutes;
[0032] Step 4: Stop stirring, keep the temperature at 50° C. for 6 hours, then cool to room temperature, weigh and pack, and obtain a benzene-free high-speed anodized aluminum hot stamping back adhesive product.
[0033]
Embodiment 2
[0035] A benzene-free high-speed anodized aluminum hot stamping adhesive and a preparation method thereof, the method comprising the following process steps:
[0036] Step 1: Put 40 kg of butanone, 40 kg of methylcyclohexane and 10 kg of n-propyl acetate into the reaction kettle, and heat to 50°C;
[0037] Step 2: under constant temperature stirring condition, add 8 kilograms of modified chlorinated polypropylene resins, 10 kilograms of modified acrylic resins, 20 kilograms of rosin resins, 18 kilograms of chlorinated paraffins and 8 kilograms of additives;
[0038] Step 3: After the solid resin is completely dissolved, add 1 kg of wetting agent in the proportion required by the formula, and continue stirring for 60-90 minutes;
[0039] Step 4: Stop stirring, keep the temperature at 50° C. for 6 hours, then cool to room temperature, weigh and pack, and obtain a benzene-free high-speed anodized aluminum hot stamping back adhesive product.
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PUM
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Abstract
The invention relates to a benzene-free high-speed alumite stamping gum comprising the following chemical components in weight ratio: 15-30 of adhesion promotion resin, 20-45 of packing resin, 1-5 of wetting agents, 5-10 of additives and 70-90 of organic solvents. The used solvents are all non-benzene and non-benzene-series solvents and meet the requirement for limiting a non-benzene VOC (Volatile Organic Compound) in a special industry; the used special modified chlorinated polyolefin resin and ester soluble acrylic resin are used for improving the adhesion of the gum; the used packing resin is used for ensuring that the gum has better brittleness; the gum and a stamping substrate can achieve an ideal wetting effect by using the wetting agent; the gum is better in coating uniformity and favorable in temperature resistance and exhausting performance by using the additives; the stamping gum belongs to a universal gum and has better adhesion for common untreated paper, inked paper and composite paper; and the benzene-free high-speed alumite stamping gum is integrated in stamping pattern, good in trimming, free of mutilation and leak stamping and good in glossiness.
Description
technical field [0001] The invention belongs to the technical field of adhesive products, and relates to a paper with good adhesion to ordinary untreated paper, ink-coated paper and composite paper, which has a complete hot stamping pattern, good trimming, no incomplete ironing and good gloss. Benzene-free high-speed anodized aluminum hot stamping adhesive. Background technique [0002] With people's love and pursuit of exquisite packaging, the hot stamping industry has developed rapidly, and the performance of corresponding hot stamping chemical products has also been greatly improved. Anodized aluminum hot stamping adhesive is one of the important influencing factors in the hot stamping process. It directly affects the integrity and fastness of the hot stamping pattern. However, as the current packaging industry has higher and higher requirements on the VOC of materials, especially the strict requirements on benzene series, this is particularly prominent in the more devel...
Claims
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Application Information
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