Flat sealant manufacturer seal God adhesive industry tells users what steps to buy adhesives

The basic procedure of adhesive formulation design is usually: selecting the adhesive - analyzing the functional characteristics of each component - setting the preliminary formulation - optimization design of the formulation test - preparation of sample analysis experiment - determination of the formulation - preparation test - analysis test - determination of the formulation design scheme - review - application.

 

One. Select the adhesive

 

The performance of the adhesive determines the performance of the adhesive. The adhesive should be selected according to the use environment, use function, user requirements and other factors. One or several kinds of adhesive can be selected and determined by comparative test.

 

2. Set the preliminary formula

 

On the basis of the function analysis of each component of adhesive, the preliminary formula is designed and the dosage of each component is specified. If new varieties of gum are developed, multiple dosages can be set for comparative testing.

 

Three. Determine the formula

 

Once the formula is determined, mass production can be carried out, and according to the product inspection procedure, sampling and verification of the repeatability of the formula quality and the ability to adapt to mass production, and the corresponding process procedures are formulated.

 

4. Formulate adhesive development documents and review

 

The formulations, test methods, process procedures, product acceptance and standards formed in the process of formulation design and preparation are documented and evaluated to guide adhesive production.

 

5. Analyze the functional characteristics of each component

 

After the main agent adhesive is selected, according to the needs of the main agent performance and application function, it is also necessary to select additives such as fillers, curing agents, coupling agents, diluents and so on, and determine the amount to improve the performance of the main agent and the application process of the adhesive. The process of selecting auxiliaries is also the process of analyzing and studying the functional characteristics of auxiliaries. The types of additives selected should be minimized and the amount appropriate to reduce costs and ensure the quality of adhesives.

 

6. Experimental optimization design of formula

 

After the preliminary formula design, the calculation simulation is carried out to simulate the manufacturing or the actual preparation, and the dosage of each component is tested and optimized. There are many experimental design methods, such as orthogonal design, partial factor design, full factor design, mixing design, etc., which can optimize the formula. If the sum of the components of the adhesive is, the mixing design is the method to optimize the formula.

 

Vii. Preparation of sample analysis experiment

 

After the amount of each component is basically determined, trial production should be carried out, and the trial adhesive should be bonded or sealed, and the adhesive or the joint should be tested by the position or dynamic analysis of the adhesive or the joint to see whether it meets the performance requirements. If the design requirements can be met, the formula design is successful, and some improvements can meet the design performance requirements; If it cannot meet the design performance requirements, it must be redesigned.
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