JPH05112770A - Adhesive for fixing roofing tile - Google Patents

Abstract

PURPOSE:To provide the title adhesive which can be used as a ready-to-use premix composition and has good adhesiveness. CONSTITUTION:The title adhesive is prepared by mixing 100 pts.wt. synthetic resin emulsion of a resin content of 50% with at most 4000 pts.wt. extender pigment or coloring pigment and has a viscosity of 50,000-400,000cPs as measured with a B8R-type rotaviscometer at 20 deg.C and 20rpm.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an adhesive material for fixing roof tiles to a roof by adhesion.

[0002]

2. Description of the Related Art Conventionally, a rough wall made by mixing red soil and straw with water has been used as an adhesive material for fixing roof tiles to a roof.

However, recently, due to lack of manpower, there is a problem that labor for kneading a rough wall cannot be obtained. Further, the rough wall has a problem that the adhesion to the roof tile is weak, and there is a problem that it is blown off by a strong wind such as a typhoon, or it shifts when a person gets on it and causes rain leakage.

Therefore, an object of the present invention is to solve the above-mentioned problems of the conventional rough wall, and it is not necessary to knead and adjust before use as in the case of the rough wall. It is an object to provide an adhesive material for fixing roof tiles, which can be used as it is and which has been already compounded and has good adhesiveness.

[0005]

In order to solve the above-mentioned problems, the present invention is based on 100 parts by weight of a synthetic resin emulsion having a resin content of 50% (hereinafter simply referred to as "part"), and an extender pigment or a coloring pigment. Is blended in a proportion corresponding to an amount of 4000 parts or less, and the total viscosity is 50,000 to 20 at 20 ° C. and 20 rpm measured by a B8R rotational viscometer.
It is characterized by being set to 400,000 cps.

Examples of the synthetic resin emulsion include acrylic type, acrylic styrene type, acrylic vinyl acetate type,
Emulsions of vinyl acetate type, vinyl acetate type, vinyl acetate type, vinyl acetate type, vinyl chloride type, SBR type, epoxy type, urethane type and the like are used alone or in combination. As the extender pigment, powders of calcium carbonate, clay, talc, dolomite, barium sulfate, calcium hydroxide, silica, etc. are used alone or in combination. The extender pigment and the color pigment may be used alone or in an appropriate mixture of both. The extender pigment and the coloring pigment are involved in the viscosity and strength of the adhesive.

The proportion of the extender pigment and / or the coloring pigment is preferably 4000 parts or less with respect to 100 parts of the synthetic resin emulsion having a resin content of 50%. If it exceeds 4000 parts, the viscosity becomes too high, which is not practical. When the resin content of the synthetic resin emulsion is not 50%, the amount of the synthetic resin emulsion is converted so that the resin content is equivalent to 50%, and the synthetic resin emulsion is used in an amount.

The viscosity of the adhesive is 50,000 to 4 as described above.
A range of 0,000 cps is easy to handle and has good workability. The adhesive having the above viscosity range has the same viscosity as that of the conventional rough wall in the kneaded state. Adhesive viscosity is 50,000 cp
If it is smaller than s, it is difficult to use due to dripping, etc.
If it exceeds 10,000 cps, it will be too hard and the workability will be poor. Here, the viscosity is 20 ° C., 20 rpm using a B8R type rotational viscometer.
It means the value measured under the conditions of (Note that the following viscosity values also depend on this condition). The adhesive of the present invention may contain fibers, coloring pigments, antifoaming agents, preservatives, fungicides, thickeners, dispersants, etc., to the extent that they do not hinder the adhesive strength and viscosity. .

[0009]

Function: The synthetic resin emulsion is involved in the adhesiveness. Extending pigments and coloring pigments contribute to properties such as viscosity and strength of the adhesive.

[0010]

EXAMPLES Next, examples of the present invention will be described. Formulation example 1
And each adhesive of Formulation Example 2 and Control A and Control B are shown in Table 1.
It was prepared by mixing the respective raw materials and the mixing ratio shown in.

[0011]

[Table 1]

The numerical unit of the compounding amount in Table 1 is part. The viscosity of each formulation example and control in Table 1 was as shown in Table 2.

[0013]

Next, the following tests were conducted on the adhesiveness and workability of Formulation Example 1, Formulation Example 2, Control A and Control B. A comparison with a conventional rough wall for roofing (control C) was also made at the same time. Adhesiveness was measured using a Kenken-type adhesion tester, using a mortar board as a base material, and adhering Japanese roof tiles. As for workability, the slate plate was tilted at 30 degrees, and 1 kg of the adhesive was placed on the slate plate with a ladle, and the state of sag at that time was observed. The test results are shown in Table 3.

[0015]

As shown in Table 3, the compounding examples 1 and 2 had good adhesiveness and workability. The adhesion of Formulation Example 1 and Formulation Example 2 was 7 to 8 with respect to Control C (rough wall).
It is twice as large, and it is recognized that it is very large, and it is very difficult to fly even in strong winds.

[0017]

EFFECTS OF THE INVENTION Since the present invention is a pre-mixed adhesive, there is no need to knead before use as with conventional rough walls, and it can be used as it is on site, which is convenient. Further, since the adhesive material of the present invention has a large adhesive force, the roof tile can be firmly adhered and fixed, which is convenient because it does not fly even against strong wind.

Claims (1)

[Claims] 1. A synthetic resin emulsion 1 having a resin content of 50%.
400 parts by weight of extender pigment or coloring pigment to 100 parts by weight
A roof tile characterized by being blended in a proportion corresponding to an amount of 0 parts by weight or less, and having an overall viscosity of 50,000 to 400,000 cps as measured by a B8R rotary viscometer at 20 ° C. and 20 rpm. Adhesive for fixing.