A. The main reasons for the agglomeration of the compounding agent are: insufficient raw rubber mastication; excessive roller distance; excessively large rubber loading capacity; excessively high roll......
2019-12-19It is closely related to groups. All rubbers with nitrile (-CN) hydroxyl (-OH) and carboxyl (-COOH) groups have strong polarity, which is called polar rubber. They have good bonding with metals, and r......
2019-12-18Different groups on the rubber monomer bring different characteristics to the rubber. Such as: -COOH (carboxyl): can give good viscosity;-CL: polar and electronegative; phenyl: large volume can block ......
2019-12-18Different groups on the rubber monomer bring different characteristics to the rubber. Such as: -COOH (carboxyl): can give good viscosity;-CL: polar and electronegative; phenyl: large volume can block ......
2019-12-18Usually only occurs in SR. During the polymerization process, due to different structure control, too many branched structures are formed. As a result, a gel appears in this part, which is called a ge......
2019-12-18Rubber is actually a mixture of molecular chains of different sizes and molecular weights. If different molecular weights are arranged according to the frequency of appearance, a molecular weight dist......
2019-12-18Raw raw rubber is commonly known as raw rubber. In fact, raw rubber is not 100% pure. For example, non-rubber hydrocarbons (about 5%) contained in natural rubber include resin acids and proteins. Anti......
2019-12-18This knife method is to cut the glue from left to right to a certain distance, then turn the blade 90 ° to continue cutting, so that the film will fall on the liner after cutting, and stop the tapping......
2019-12-17After the film is cut horizontally, it is attached to the front roller by hand and turned into a fan shape with the roller, moved from left to right or from right to left, and then vertically put into......
2019-12-17Cut the film on the roll horizontally, then fold the left and right sides of the film alternately to the middle, and make a triangular plastic bag on the front roller. After the rubber material has co......
2019-12-17Roll the rubber on the roller to the left and right to make it uniform. During operation, hold the knife at a 75 ° oblique angle to the horizontal line of the roller to cut the glue, and hold the film......
2019-12-171) Roller pitch: Under a certain glue capacity, the roller pitch is generally 4 ~ 8mm, and the small roller pitch enters the powder. 2) Roller temperature: The roller temperature of natural rubber mi......
2019-12-17a) Feeding: When plasticizing and mixing the opener, all raw rubber, masterbatch and combined rubber must be added by the large gear of the rubber mixer. b) According to different properties of raw r......
2019-12-17The calender generally adopts a vertical three-roll calender. When used for the production of film, the middle roller is fixed. The speed of the middle roller is faster than that of the upper roller. ......
2019-12-16Silicone rubber is generally soft, has good extrusion effect, and is easy to handle. It can extrude products of various shapes and sizes. Its processing equipment and tools are basically similar to or......
2019-12-16