巖棉板施工時用聚氨酯膠為雙組分聚氨酯膠粘劑。聚氨酯膠粘劑(PU膠粘劑)是分子鏈中含有氨基甲酸酯基(-NHCOO-)或異氰酸酯基(-NCO)的膠粘劑，由異氰酸酯和含羥基化合物如聚酯、聚醚、蓖麻油或其他多元醇反應(yīng)得到。它的性能優(yōu)異，具有分子可設(shè)計性強(qiáng)、物性廣泛、粘接適用范圍廣等特點，是合成膠粘劑中的重要品種之一。

Two component polyurethane adhesive is used in rock wool board construction. Polyurethane adhesive (PU adhesive) is a kind of adhesive containing carbamate (- nhcoo -) or isocyanate (- NCO) in molecular chain, which is obtained by reaction of isocyanate and hydroxyl compounds such as polyester, polyether, castor oil or other polyols. It is one of the important synthetic adhesives with excellent properties, strong molecular designability, wide physical properties and wide application range.

巖棉板施工現(xiàn)場

Construction site of rock wool board

雙組分聚氨酯膠粘劑是PU中品種多、用量大、用途廣的產(chǎn)品。該產(chǎn)品兩個組分分別包裝，易貯存，性能可調(diào)，具有粘合強(qiáng)度高、適用范圍廣、耐候性好等特點，在應(yīng)用領(lǐng)域顯示出獨特的優(yōu)勢。聚氨酯膠粘劑主要分為多異氰酸酯和聚氨酯兩大類，按使用方式來分聚氨酯膠粘劑可分為單組分和雙組分兩種。異氰酸酯基和氨酯基的極性、化學(xué)活性都很強(qiáng)，因此對多孔材料(皮革、泡沫等)和表面光潔的材料(玻璃、金屬等)有著良好的化學(xué)粘結(jié)力。而且聚氨酯膠粘劑具有柔韌性好、耐震動性優(yōu)良、耐沖擊、耐磨、粘結(jié)強(qiáng)度大等優(yōu)點，用途越來越廣泛。雙組分聚氨酯膠粘劑按有無溶劑可分為溶劑型和無溶劑型兩大類。

Two component polyurethane adhesive is a kind of Pu product with many varieties, large dosage and wide application. The two components of the product are packaged separately, easy to store, adjustable performance, high adhesive strength, wide range of application, good weather resistance and other characteristics, showing unique advantages in the field of application. Polyurethane adhesives are mainly divided into polyisocyanate and polyurethane. According to the way of use, polyurethane adhesives can be divided into one-component and two-component. The isocyanate group and the urethane group have strong polarity and chemical activity, so they have good chemical bonding ability to porous materials (leather, foam, etc.) and surface polished materials (glass, metal, etc.). And polyurethane adhesive has many advantages, such as good flexibility, good shock resistance, impact resistance, wear resistance, high bond strength, etc. Two component polyurethane adhesives can be divided into solvent type and solvent-free type according to the presence or absence of solvent.

溶劑型聚氨酯膠粘劑技術(shù)成熟，但有機(jī)溶劑的揮發(fā)，不但浪費(fèi)資源，還會威脅環(huán)境和生產(chǎn)安全。

Solvent based polyurethane adhesive technology is mature, but the volatilization of organic solvents not only wastes resources, but also threatens the environment and production safety.

無溶劑型聚氨酯膠粘劑具有明顯的優(yōu)點：

Solvent free polyurethane adhesive has obvious advantages

一、無溶劑揮發(fā)、使用完全；

1、 No solvent volatilization and complete use;

二、無需烘道除去溶劑，屬于節(jié)能減排技術(shù)；

2、 There is no need to dry out the solvent, which belongs to energy saving and emission reduction technology;

三、生產(chǎn)效率高，適用于自動化生產(chǎn)線。無溶劑型雙組分聚氨酯(PU)膠粘劑具有粘接效果好、軟硬可調(diào)、儲存穩(wěn)定和無溶劑揮發(fā)等優(yōu)點，是PU膠粘劑行業(yè)的重要研究方向。

3、 High production efficiency, suitable for automatic production line. Solvent free two-component polyurethane (PU) adhesive is an important research direction in PU adhesive industry because of its good bonding effect, adjustable hardness, stable storage and solvent-free volatilization.