CN102618194A - Hot melt pressure sensitive adhesive for high speed automatic labeling and preparation method thereof - Google Patents

Abstract

The invention discloses a hot melt pressure sensitive adhesive for high speed automatic labeling, which comprises, by weight percentage, 40-45% of petroleum resins, 35-45% of styrene-isoprene-styrene, 10-15% of naphthenic oil, 2-5% of calcium carbonate, 1-3% of polyethylene wax and 1-2% of antioxidants. A preparation method of the hot melt pressure sensitive adhesive for high speed automatic labeling is further disclosed. Compared with prior art, the hot melt pressure sensitive adhesive has the advantages of being environment-friendly, low in cost, high in initial bonding strength and enduring bonding strength, excellent in die cutting performance, and applicable to the high speed automatic labeling.

Description

Hot-fusible pressure-sensitive adhesive that High-Speed Automatic decals is used and preparation method thereof

 

Technical field

The present invention relates to the hot melt adhesive technical field, be specifically related to a kind of hot-fusible pressure-sensitive adhesive that is used for High-Speed Automatic decals and preparation method thereof.

 

Background technology

The heat fusing pressure sensitive adhesive mainly is to become broad state to coat on the base materials such as cotton paper, cloth or plastics film and a kind of novel adhesive tape of processing with resin and rubber wet goods Hybrid Heating by viton again, is mainly used in all kinds of joint sealings, envelope box, paper article packaging, bottle label, seals aluminium foil etc.

At present, a lot of industries all need be used for label.Early stage label mostly adopts manual decals, because the rapid rising of labor cost and the development of industrial automation, the robotization decals develops rapidly, has replaced the traditional hand decals.Now, the robotization decals by low speed to high speed development, this hot-fusible pressure-sensitive adhesive that just requires label to use need possess preferably initial bonding strength so that paste fast.Yet, the hot-fusible pressure-sensitive adhesive that the initial bonding strength that existing label is used is bigger, it is less that it holds viscous force, and it is solid to be pasted not strongly.And hold the bigger hot-fusible pressure-sensitive adhesive of viscous force because the less and difficult stickup of initial bonding strength, often occur sticking up mark during use, fall phenomenon such as mark.

 

Summary of the invention

The objective of the invention is to overcome the defective of above-mentioned prior art, the hot-fusible pressure-sensitive adhesive that provides a kind of High-Speed Automatic decals to use, it has preferably initial bonding strength and holds viscous force.

For realizing above-mentioned purpose, the present invention adopts following technical scheme:

The hot-fusible pressure-sensitive adhesive that High-Speed Automatic decals is used is characterized in that composed of the following components by weight percentage:

Petroleum resin 40～45%

Styrene-isoprene-phenylethene 35～45%

NO 10～15%

Lime carbonate 2～5%

Polyethylene wax 1～3%

Inhibitor 1～2%.

Preferably, the weight percent of each component is:

Petroleum resin 40%

Styrene-isoprene-phenylethene 45%

NO 10%

Lime carbonate 2%

Polyethylene wax 2%

Inhibitor 1%.

Preferably, said inhibitor is gallic acid lactone or tertiarybutylhydroquinone or its combination.

Another object of the present invention provides the preparation method of the hot-fusible pressure-sensitive adhesive that above-mentioned High-Speed Automatic decals uses, and it may further comprise the steps:

A, get in the prescription 1/3 NO and lime carbonate in high speed dispersor, mix, pre-dispersed;

B, reaction kettle is warming up to 120～130 ℃, drops into inhibitor, polyethylene wax and remaining NO, slowly stir and be warming up to 145～150 ℃ of insulation 10～15min;

C, in reaction kettle, drop into styrene-isoprene-phenylethene, the temperature of control reaction kettle is 150～155 ℃ and constantly stirs, and treats to fuse fully the back and drops into NO and the calcium carbonate mixture after pre-dispersed in the A step;

D, in reaction kettle, drop into petroleum resin, controlled temperature is 140～150 ℃, vacuumizes, constantly stirs 40～50min then, last plastic emitting packing.

Compared with prior art, the invention has the beneficial effects as follows:

1, hot-fusible pressure-sensitive adhesive environmental protection of the present invention, low cost;

2, hot-fusible pressure-sensitive adhesive of the present invention has higher initial adhesion and permanent adhesion simultaneously and glues and hold power, has excellent die-cutting performance, is applicable to High-Speed Automatic decals.

 

Embodiment

Hot-fusible pressure-sensitive adhesive of through the practical implementation example the High-Speed Automatic decals of the present invention being used below and preparation method thereof is done further explain.

Embodiment 1

Prescription:

Petroleum resin 40%

Styrene-isoprene-phenylethene 45%

NO 10%

Lime carbonate 2%

Polyethylene wax 2%

Inhibitor 1%;

Above-mentioned inhibitor is a tertiarybutylhydroquinone.

The preparation method:

A, get in the prescription 1/3 NO and lime carbonate in high speed dispersor, mix, pre-dispersed;

B, reaction kettle is warming up to 120～130 ℃, drops into inhibitor, polyethylene wax and remaining NO, slowly stir and be warming up to 145～150 ℃ of insulation 10～15min;

C, in reaction kettle, drop into styrene-isoprene-phenylethene, the temperature of control reaction kettle is 150～155 ℃ and constantly stirs, and treats to fuse fully the back and drops into NO and the calcium carbonate mixture after pre-dispersed in the A step;

D, in reaction kettle, drop into petroleum resin, controlled temperature is 140～150 ℃, vacuumizes, constantly stirs 40～50min then, last plastic emitting packing.

Embodiment 2

Prescription:

Petroleum resin 40%

Styrene-isoprene-phenylethene 40%

NO 10%

Lime carbonate 5%

Polyethylene wax 3%

Inhibitor 2%;

Above-mentioned inhibitor is that 1% gallic acid lactone and 1% tertiarybutylhydroquinone mix.

The preparation method:

A, get in the prescription 1/3 NO and lime carbonate in high speed dispersor, mix, pre-dispersed;

B, reaction kettle is warming up to 120～130 ℃, drops into inhibitor, polyethylene wax and remaining NO, slowly stir and be warming up to 145～150 ℃ of insulation 10～15min;

C, in reaction kettle, drop into styrene-isoprene-phenylethene, the temperature of control reaction kettle is 150～155 ℃ and constantly stirs, and treats to fuse fully the back and drops into NO and the calcium carbonate mixture after pre-dispersed in the A step;

D, in reaction kettle, drop into petroleum resin, controlled temperature is 140～150 ℃, vacuumizes, constantly stirs 40～50min then, last plastic emitting packing.

Embodiment 3

Prescription:

Petroleum resin 45%

Styrene-isoprene-phenylethene 35%

NO 15%

Lime carbonate 3%

Polyethylene wax 1%

Inhibitor 1%;

Above-mentioned inhibitor is the gallic acid lactone.

The preparation method:

A, get in the prescription 1/3 NO and lime carbonate in high speed dispersor, mix, pre-dispersed;

B, reaction kettle is warming up to 120～130 ℃, drops into inhibitor, polyethylene wax and remaining NO, slowly stir and be warming up to 145～150 ℃ of insulation 10～15min;

C, in reaction kettle, drop into styrene-isoprene-phenylethene, the temperature of control reaction kettle is 150～155 ℃ and constantly stirs, and treats to fuse fully the back and drops into NO and the calcium carbonate mixture after pre-dispersed in the A step;

D, in reaction kettle, drop into petroleum resin, controlled temperature is 140～150 ℃, vacuumizes, constantly stirs 40～50min then, last plastic emitting packing.

To one skilled in the art, can make other various corresponding changes and deformation, and these all changes and deformation should belong within the protection domain of claim of the present invention all according to the technical scheme and the design of above description.

Claims (4)

1. the hot-fusible pressure-sensitive adhesive that High-Speed Automatic decals is used is characterized in that composed of the following components by weight percentage:

Petroleum resin 40～45%

Styrene-isoprene-phenylethene 35～45%

NO 10～15%

Lime carbonate 2～5%

Polyethylene wax 1～3%

Inhibitor 1～2%.

2. the hot-fusible pressure-sensitive adhesive that High-Speed Automatic decals as claimed in claim 1 is used is characterized in that: it is composed of the following components by weight percentage:

Petroleum resin 40%

Styrene-isoprene-phenylethene 45%

NO 10%

Lime carbonate 2%

Polyethylene wax 2%

Inhibitor 1%.

3. the hot-fusible pressure-sensitive adhesive used of according to claim 1 or claim 2 High-Speed Automatic decals, it is characterized in that: said inhibitor is gallic acid lactone or tertiarybutylhydroquinone or its combination.

4. the preparation method of the hot-fusible pressure-sensitive adhesive used of the described High-Speed Automatic decals of claim 1 is characterized in that may further comprise the steps:

A, get in the prescription 1/3 NO and lime carbonate in high speed dispersor, mix, pre-dispersed;

B, reaction kettle is warming up to 120～130 ℃, drops into inhibitor, polyethylene wax and remaining NO, slowly stir and be warming up to 145～150 ℃ of insulation 10～15min;

C, in reaction kettle, drop into styrene-isoprene-phenylethene, the temperature of control reaction kettle is 150～155 ℃ and constantly stirs, and treats to fuse fully the back and drops into NO and the calcium carbonate mixture after pre-dispersed in the A step;

D, in reaction kettle, drop into petroleum resin, controlled temperature is 140～150 ℃, vacuumizes, constantly stirs 40～50min then, last plastic emitting packing.