-
SINOGRACE Chemical Co., Ltd. will hold the year-end summary meeting and annual convention
- 2022-01-28 16:31:10
- admin
On January 26, 2022, SINOGRACE Chemical Co., Ltd. will hold the year-end summary meeting and annual convention, and wish everyone a happy New Year.
-
Effect of PCL on waterborne polyurethane
- 2022-02-10 13:48:34
- admin
PCL is a fully degradable polymer with good biocompatibility. When introduced into waterborne polyurethane, it can make waterborne polyurethane have shape memory.Shape memory waterborne polyurethane has attracted wide attention for its shape memory function, temperature sensitivity and moisture permeability. PCL3000 PCL4000 was used as the soft segment, and toluene diisocyanate was used as the har...
-
Advantages and disadvantages of waterborne polyurethane in food and drug packaging
- 2022-07-09 16:45:49
- admin
Food packaging is divided into ordinary packaging and high-performance packaging, the corresponding waterborne polyurethane adhesive can be divided into four categories: general use, steaming boiling, transparent cooking, aluminum foil cooking.Usually such adhesives are two-component solvent-based polyurethane adhesives, the main agent is polyether or polyester polyol After the aromatic isocyanate...
-
Applicationof waterborne polyurethane adhesive
- 2022-02-23 17:18:27
- admin
When waterborne polyurethane is used as adhesive, it must be mixed generally. Based on waterborne polyurethane, crosslinking agent, thickening agent, filler, plasticizer, pigment and other additives can be added. Other types of waterborne resin and water can be added.In order to obtain higher resistance to water Heat resistance and bonding strength, at present a lot of waterborne polyurethane syst...
-
Advantages and disadvantages of waterborne polyurethane adhesives
- 2022-03-04 10:54:14
- admin
Waterborne polyurethane adhesive is a kind of high-grade adhesive, with excellent flexibility, impact resistance, chemical resistance and wear resistance, the most important is its low temperature resistance.It has adsorption and chemical bonding effect on many kinds of materials. It can not only bond porous materials, but also bond smooth surface materials. It is widely used. Polyurethane adhesiv...
-
Application of waterborne polyurethane adhesive for printing
- 2022-03-18 18:02:55
- admin
The most important application indexes of water-based adhesives in the packaging and printing industry mainly include four aspects: bonding strength, high/low temperature resistance, moisture resistance and viscosity holding.In practical application, defects such as weak adhesion and brittle degumming film are basically caused by the above four application indicators are not up to standard.In prac...
-
How to improve the qualified rate of water-based plastic composite ink
- 2022-04-07 16:52:58
- admin
Water-based plastic composite ink is a product with water as the solvent. From the perspective of printing mode, water-based ink is not suitable for offset printing at present. Its main application fields are flexographic printing gravure printing and screen printing. Printing costs are related to the raw materials selected by ink manufacturers, such as the size of the molecular weight of the resi...
-
Polyurethane ink types (acrylic ink without benzene alcohol, etc.)
- 2022-04-08 16:44:38
- admin
From the development of printing industry in developed areas of the future development track can be considered in China's packaging and printing industry to take the road of environmental protection is an inevitable trend, and the environmental protection of ink plays an increasingly important role.Although the stage has not yet established green ink or environmental protection ink discrimination ...
-
Water - based ink resin using characteristics
- 2022-07-09 11:43:53
- admin
Water-based ink resin is suitable for intaglio printing ink. The ink coating prepared with this product has good film forming ability, quick drying, high gloss, high hardness and scratch resistance, good film forming ability on the surface of paper foil and good compatibility with water-based pigment. Application characteristics 1 Good film formation 2 Suitable for a variety of substrates, good ad...
-
Waterproofing principle of waterborne polyurethane fabric coating agent
- 2022-07-09 11:41:28
- admin
Waterborne polyurethane fabric coating agent can give the fabric a good soft and plump feel and skin feeling, and the anti-wrinkle, anti-shrinkage, resilience and flexure of the coated fabric have been greatly improved, waterproof waterproof polyurethane fabric coating agent has become the fabric manufacturers and consumers favored object.So how does waterborne polyurethane work as a waterproofing...
-
How to distinguish the excellent properties of glue
- 2022-07-09 11:32:07
- admin
Finally, ordinary glue products, ordinary glue products have a certain elasticity and softness, and have a good tensile length but tensile strength and strength is not very large, adhesion welcome you to consult, this is our email sales@sinogracechem.com
-
Application scenarios of waterborne polyurethane defoaming agent
- 2022-07-09 11:06:53
- admin
Waterborne polyurethane is often used in the preparation of waterborne coatings because of its excellent film formation and adhesion, excellent flexibility and wear resistance.However, water-based polyurethane dispersion contains a lot of surfactant, easy to produce bubbles, and because of the special properties of water-based polyurethane, it is necessary to use the characteristics of water-based...
-
How to solve the problem that pressure irregularity affects printing quality when printing self-adhesive labels
- 2022-07-22 15:24:48
- admin
Printing pressure has a great influence on printing quality.Maintaining an average and constant printing pressure in the effective printing area can not only make the printing ink uniform, small color difference, but also keep the size of the printing mark.It is feasible to achieve maximum flat flat printing printing pressure But because it is the manufacturing precision of printing plate flatness...
-
What is a surfactant
- 2022-07-29 17:33:43
- admin
Surfactants are a large group of organic compounds, their properties are very characteristic, application is extremely flexible, extensive, has great practical value. Surfactants have been as emulsifier, detergent, wetting agent, penetrating agent, foaming agent, solvent, dispersant, suspending agent, cement water reducing agent, fabric softener, leveling agent, fixing agent, fungicide, catalyst, ...
-
What are the applications and excellent characteristics of polyurethane sealant
- 2022-08-02 11:35:30
- admin
Polyurethane sealant is widely used in civil construction, transportation and other industries: Applications in construction - filling and sealing of doors and Windows, glass, etc.; Applications in civil engineering - caulking sealing of expressways, Bridges and airstrips; Automotive applications - Assembly and sealing of Windows (mainly windshield). Polyurethane sealant has many excellent charact...
-
The difference between coupling agent and surfactant
- 2022-08-08 16:55:53
- admin
In the process of coating manufacturing, it is necessary to belong to the hydrophilic polar material Yan, fillers dispersed to belong to the hydrophobic non-polar material organic base material.In order to increase the affinity between inorganic matter and organic polymer, it is generally necessary to use coupling agent or other surfactants to treat the surface of inorganic matter, so that it chan...