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Hot melt adhesive composition for left and right waist pastes of diaper and method for preparing same

A technology of hot-melt adhesives and diapers, applied in the direction of adhesives, adhesive types, mineral oil hydrocarbon copolymer adhesives, etc., can solve the problems of oil leakage and poor stickiness during storage, and reduce rubber aging, The effect of excellent oil leakage resistance and simple preparation method

Inactive Publication Date: 2013-04-17
WUXI WANLI ADHESION MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the above disadvantages, provide a hot melt adhesive for left and right waist stickers for diapers and its preparation method, and solve the problem of poor stickiness and storage time of the current hot melt adhesives for left and right waist stickers for diapers. There will be problems such as oil leakage for a long time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Main polymer SIS: 45kg, liquid petroleum resin: 15kg, solid petroleum resin: 40kg, antioxidant: 1kg.

[0022] The preparation method is as follows:

[0023] (1) Melting: Put 40kg of solid petroleum resin, 1kg of antioxidant and 15kg of liquid petroleum resin into the heat transfer oil reactor, start heating, control the material temperature at 140~150°C, and heat for 30 minutes until the raw materials melt;

[0024] (2) Reaction: Put 45kg of the main polymer SIS, seal the reactor, vacuumize and stir, the pressure is <-0.09Mpa, the temperature is controlled at 150~160℃, the stirring speed is 60~100r / min, and the stirring time is 40~50min. Confirm that the main polymer SIS put in is melted and stirred evenly, the material is drawn out without obvious bubbles, and the heating is turned off;

[0025] (3) Discharge: filter the mixture obtained in step (2) with a 150-mesh double-layer metal mesh, and pack the finished product with high-temperature-resistant silicone oil rele...

Embodiment 2

[0028] Main polymer SIS: 44kg, liquid petroleum resin: 14kg, solid petroleum resin: 40kg, antioxidant: 1kg.

[0029] The preparation method is as follows:

[0030] (1) Melting: Put 40kg of solid petroleum resin, 1kg of antioxidant and 14kg of liquid petroleum resin into the heat transfer oil reactor, start heating, control the material temperature at 140-150°C, and heat for 30 minutes until the raw materials melt;

[0031] (2) Reaction: put 44kg of the main polymer SIS, seal the reactor, vacuumize and stir, the pressure is <-0.09Mpa, the temperature is controlled at 150~160℃, the stirring speed is 60~100r / min, and the stirring time is 40~50min. Confirm that the main polymer SIS put in is melted and stirred evenly, the material is drawn out without obvious bubbles, and the heating is turned off;

[0032] (3) Discharge: filter the mixture obtained in step (2) with a 150-mesh double-layer metal mesh, and pack the finished product with high-temperature-resistant silicone oil rele...

Embodiment 3

[0035] Main polymer SIS: 46kg, liquid petroleum resin: 10kg, solid petroleum resin: 20kg, antioxidant: 1kg.

[0036] The preparation method is as follows:

[0037] (1) Melting: Put 20kg of solid petroleum resin, 1kg of antioxidant and 10kg of liquid petroleum resin into the heat transfer oil reactor, start heating, control the material temperature at 140~150°C, and heat for 30 minutes until the raw materials melt;

[0038] (2) Reaction: Put 46kg of the main polymer SIS, seal the reactor, vacuumize and stir, the pressure is <-0.09Mpa, the temperature is controlled at 150~160℃, the stirring speed is 60~100r / min, and the stirring time is 40~50min. Confirm that the main polymer SIS put in is melted and stirred evenly, the material is drawn out without obvious bubbles, and the heating is turned off;

[0039] (3) Discharge: filter the mixture obtained in step (2) with a 150-mesh double-layer metal mesh, and pack the finished product with high-temperature-resistant silicone oil rele...

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
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Abstract

The invention relates to a hot melt adhesive composition for left and right waist pastes of a diaper and a method for preparing the same, and belongs to the technical field of polymer adhesives. The method comprises the following steps of: adding a solid petroleum resin, an antioxidant and a liquid petroleum resin into a heat-transfer-oil reactor, heating to increase temperature until all the materials are melted, adding a host polymer which is SIS (Silicon Integrated System), vacuumizing, heating, stirring until the SIS is melted and mixed uniformly, discharging, and packaging to obtain the product which is the hot melt adhesive composition. The method is simple, no harmful substance is discharged during preparation, no solvent is used, the investment of equipment is low, and the hot melt adhesive composition is an environmentally-friendly adhesive which is easy to spread when being used by a client. Compared with the existing hot melt adhesive composition in market, the hot melt adhesive composition provided by the invention has excellent lasting adhesiveness and good oil penetration resistance.

Description

technical field [0001] The invention relates to a hot-melt adhesive composition for left and right waist sticks of diapers and a preparation method thereof, belonging to the technical field of polymer adhesives. Background technique [0002] Hot melt adhesive is a new type of adhesive, which does not contain any solvents, is pollution-free, and is environmentally friendly. The production process is simple, the cost is low, and the equipment investment is small when customers use it. In terms of use, it has high production efficiency and a wide range of uses. [0003] The traditional hot melt adhesive for left and right diapers generally consists of SIS rubber, tackifying resin, antioxidant and naphthenic oil. When naphthenic oil is used as the base oil, the hot melt adhesive has good initial adhesion and wettability to the coating substrate. Due to the low price of naphthenic oil, the overall cost of the hot melt adhesive will also be low; using naphthenic oil The disadvant...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J153/02C09J157/02
Inventor 周其平张自强李洁玲
Owner WUXI WANLI ADHESION MATERIALS
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