Synthetic Hydrotalcite is a layered double hydroxide(LDH), and layered compounds refer to a class of compounds with a layered structure, interlayer ions, and exchangeability. Due to its unique layered structure and excellent physical and chemical properties, it has efficient acid absorption performance and good thermal stability.
Unique layered structure
Syntheic Hydrotalcite, due to its unique layered structure, contains exchangeable anions between the layers.The layered structure is adjustable, and by adjusting the synthesis conditions, its interlayer spacing and chemical composition can be adjusted to customize its performance to meet different needs.
High acid absorption performance and stable acid absorption effect
Syntheic Hydrotalcite can maintain good acid absorption performance even at high temperatures, which helps to delay the degradation process of materials.And due to its large specific surface area and porous structure, hydrotalcite exhibits significant adsorption properties. It can efficiently adsorb organic pollutants, heavy metal ions, and other harmful substances.
Excellent thermal stability
Syntheic Hydrotalcite exhibits excellent thermal stability under high temperature conditions and is not easily decomposed or deteriorated. Adding hydrotalcite to the polymer can significantly improve the thermal stability of the material, maintain structural stability, and extend its service life.
Environmental friendliness
Syntheic Hydrotalcite is composed of magnesium and aluminum hydroxides, which are naturally non-toxic and harmless to the environment and human health.As an inorganic material, hydrotalcite is a green and environmentally friendly functional material,it can replace traditional toxic stabilizers and reduce the harm to the environment and health.
CPE135A is a model of chlorinated polyethylene. The first digit 1 represents that the residual crystallinity (TAC) is 0-10%, the second and third digits 35 represent that the chlorine content is 35%, and the last digit a represents the molecular weight of PE. As a PVC impact modifier, CPE135A has many advantages, such as low price, excellent performance and excellent aging resistance. However, there are some disadvantages in the use of CPE135A for products with high impact resistance, high hardness and low temperature resistance. Chlorinated polyethylene CPE135A is used for plastic modification. It is prepared by chlorination of special polyethylene under the action of chlorine atoms. It has excellent comprehensive physical properties, such as high toughness at low temperature; High tensile strength; It is quite close to the solubility parameters of PVC and has good affinity; Given the correct processing conditions, a network structure is formed inside the hard PVC products, so as to give the products excellent normal and low temperature toughness and impact strength.
MBS(Methylmetharylate-Butadiene-Styrene),commonly known as MBS impact modifier or MBS resin, is a new type of polymer material synthesized under the particle design concept. It is prepared by lotion grafting polymerization of methyl methacrylate (M), butadiene (B) and styrene (S).It has typical core-shell structure in submicroscopic morphology. The core is a spherical rubber core with a diameter of 10 nm ~ 100 mm, and the outside is a shell composed of styrene and methyl methacrylate. Because the dissolution parameters of methyl methacrylate and polyvinyl chloride (PVC) are similar,It acts as an interface adhesive between PVC resin and rubber particles, forms homogeneous phase in the process of processing and mixing with PVC, and gives the product excellent impact resistance.
MBS impact modifier is similar to other types of modifiers. It is a PVC / MBS Blend composite system formed by blending with PVC. It has excellent weather resistance, impact resistance, aging resistance, coloring, toughness and processing fluidity. It is widely used in PVC hard sheet, pipe, plate, interior decoration board, film, bottle material and various profile products.
Oxidized polyethylene waxis made from polyethylene wax after special oxidation process. The molecular chain has certain functional groups, so its miscibility with polar resin has been significantly improved. Due to a certain amount of carbonyl and hydroxyl groups in the molecular chain of oxidized polyethylene wax, the compatibility with fillers, pigments and polar resins is significantly improved. The wettability and dispersibility in polar system are better than that of polyethylene wax, and it also has coupling property. Due to its high melting point and low viscosity, it promotes good resin fluidity, relatively reduces the power consumption of resin mixing, reduces the adhesion between resin and mold, is easy to remove film, plays the role of internal and external lubrication, and has good antistatic property.
In the plastic processing industry, the internal and external lubrication of PVC is relatively balanced. The lubricity of oxidized polyethylene wax added to the rigid, transparent and opaque PVC formula is better than that of other lubricants. It can also be used as raw and auxiliary materials for textile softener, car wax and leather softener. It can be used as dispersant, lubricant, brightener and coupling agent of pigment or filler such as dense masterbatch, polypropylene masterbatch, additive masterbatch and filling masterbatch. Rubber and plastic processing lubricants, film removers and phase solvents. In the formulation of waterborne coatings and inks, it provides excellent wear resistance, adhesion resistance and scratch resistance
The molecular weight of acrylic processing aids is generally high, which can endow products with excellent transparency; It has good compatibility with polymer materials such as polyvinyl chloride (PVC) and can be uniformly dispersed in the polymer matrix, thereby exerting its modifying effect.
During the processing, it can improve the thermal stability of polymers and delay the aging process of materials. It can also improve the fluidity and ductility of polymer melt, and enhance the rheological properties of the melt.
It is an indispensable additive in PVC processing, which can promote the plasticization of PVC, improve the flowability of PVC, enhance the processing performance of PVC products, strengthen mechanical properties, improve surface quality, and endow products with excellent dimensional stability.
It can improve the melt strength, facilitate PVC foaming, and some acrylic processing aids can also be used for polyolefin processing, endowing polyolefin with melt elasticity and increasing melt tension.
PVC profiles, pipes and pipe fittings can be used: In the production of PVC profiles, pipes and pipe fittings, the addition of acrylic acid processing aids can promote the gel of PVC, improve the melt strength of the melt, and significantly improve the surface finish and physical properties of products.
Used for the production of PVC foam board, it can improve the foaming performance and make the foam cells more homogeneous.
It can improve the fluidity of transparent PVC film and sheet, assist in plasticization, and enhance transparency.
ACM impact modifier is an additive used to improve the impact resistance of plastic products, especially PVC. The following is a detailed introduction:
Low temperature impact resistance: ACM has excellent low-temperature impact resistance, and can maintain good impact strength even under low temperature conditions.
Compared with other impact modifiers such as CPE and MBS, ACM has better weather resistance and can be exposed to outdoor environments for a long time without aging easily.
ACM has good dispersibility and can be evenly distributed in the PVC matrix, thus better exerting its modification effect.
ACM has good processing performance, low melt viscosity, can reduce extrusion temperature, and improve the stability and yield of composite materials. It can improve the surface glossiness of PVC products, making their appearance more beautiful.
Improving impact resistance: mainly used to enhance the impact resistance of PVC products, making them less prone to breakage when subjected to external impact.
Improving low-temperature performance: ACM can significantly enhance the toughness and impact strength of PVC products in low-temperature environments.
Enhanced weather resistance: Suitable for PVC products that require long-term exposure to outdoor environments, such as building materials, window frames, railings, etc.
Improve processing performance: reduce processing temperature, improve stability and production efficiency during the processing.
Can be applied to PVC profiles and pipes: widely used in the production of PVC profiles, pipes, and fittings to improve the toughness and impact resistance of products.
Packaging: Usually packaged in 25kg bags, with polypropylene woven bags on the outside and plastic bags on the inside.
Storage: It should be stored in a cool, dry place without direct sunlight
PVC Stabilizer is a type of additive used to improve the thermal stability, weather resistance, and oxidation resistance of PVC materials. The following is a detailed introduction about PVC stabilizers:
Thermal stability: The main function of PVC stabilizers is to improve the thermal stability of PVC materials and prevent degradation due to heat during processing and use.
Oxidation resistance: It can prevent the oxidation reaction of PVC material in the air, thereby maintaining its original properties.
Light stability: It can prevent PVC materials from being damaged by ultraviolet radiation, reduce yellowing and deterioration.
Improving thermal stability: During PVC processing, stabilizers can inhibit the degradation of PVC, delay the degradation time, or reduce the degree of degradation.
Improving processing performance: By absorbing hydrogen chloride and undergoing addition reactions with unsaturated sites, stabilizers can inhibit the degradation of PVC molecules, thereby improving processing performance.
Enhance weather resistance: Some stabilizers have a protective and shielding effect against ultraviolet light, which can improve the weather resistance of PVC materials.
Can be used for building materials: In the construction industry, PVC stabilizers are widely used to manufacture building materials such as PVC pipes, window frames, door panels, etc.
Wire and cable: Used to manufacture insulation layers for wires and cables, improving their thermal stability and electrical insulation performance.
Plastic products: in the production of various PVC plastic products
Categories include lead salt stabilizers, methyl tin stabilizers, composite stabilizers, calcium zinc stabilizers
Styrene Acrylonitrile Processing Aid (SAN) is a high molecular weight polymer formed by copolymerization of styrene and acrylonitrile, which has various excellent properties and a wide range of applications. Here is a detailed introduction:
Styrene acrylonitrile processing aids usually have high molecular weight, which can effectively promote the plasticization process of PVC, improve the flowability and processing performance of the melt. It can significantly increase the thermal deformation temperature of PVC products and enhance their heat resistance. Endow PVC products with better surface smoothness and reduce adverse phenomena such as flower spots, flow patterns, and weld marks.
purpose
PVC processing: mainly used for the production of PVC pipes, fittings, profiles, foam boards, wood plastic products, etc., which can improve the processing performance and physical properties of PVC products.
PVC pipes and fittings: Improve the processing performance of PVC pipes and fittings, enhance their heat resistance and surface quality.
PVC foam products: used for producing thin PVC foam products, such as foam boards, shoe soles, etc., to improve their processing and physical properties.
Packaging: Usually packaged in a 25kg/bag, with a polypropylene woven bag on the outside and a plastic bag on the inside.
Styrene acrylonitrile processing aids have become indispensable additives in PVC processing and related plastic product production due to their excellent performance and wide application fields.
