English — Forum #119 (Page 4/7)

1. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； March 18th - HCBBS Forum
2. Regarding viscosity and molecular weight - HCBBS Forum
3. If solid alkali is used to dry the monomer, its function is ( ) - HCBBS Forum
4. How to monitor online the conversion rate of liquid-phase materials and the degree of polymerization in chemical production - HCBBS Forum
5. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； April 14th - HCBBS Forum
6. The Synthetic Rubber Association plans its work priorities for this year - HCBBS Forum
7. Is the substandard polypropylene produced during the polypropylene manufacturing process considered hazardous waste? - HCBBS Forum
8. What is the melting temperature of PVC lining? ? ? Please, Haiyou, let me know - HCBBS Forum
9. Applications and development of polyurethane elastomers - HCBBS Forum
10. CNOOC: Using high-end materials to drive new growth through the shift from oil to specialty products - HCBBS Forum
11. Floating color phenomenon occurs in the production of dry resin from polyester polyols - HCBBS Forum
12. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； February 22nd - HCBBS Forum
13. Consultation on liquid-phase propylene water coalescer - HCBBS Forum
14. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； May 10th - HCBBS Forum
15. Henkel has introduced a polyurethane hot-melt adhesive - HCBBS Forum
16. Ningbo Juhua achieves a breakthrough in domestic production of PTT materials; blending modification opens up new opportunities for applications - HCBBS Forum
17. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； April 19th - HCBBS Forum
18. Features of spray-type polyurethane industrial coatings - HCBBS Forum
19. Jilin Chemical Fiber’s high-efficiency large-tow production line with an annual capacity of 4,000 tons was successfully commissioned on its first attempt - HCBBS Forum
20. Process for the recycling and reuse of waste OLED materials - HCBBS Forum
21. Books on hybrid orbital theory - HCBBS Forum
22. Water-based polyurethane floor technology drives China’s pace of development - HCBBS Forum
23. China has created the “world’s strongest” carbon fiber! Its diameter is less than 1/10 of that of a hair strand! - HCBBS Forum
24. What substances in the recovered vinyl chloride gas cause lubricating oil to deteriorate, and are there any treatment methods? - HCBBS Forum
25. The industrial chain and market of sodium gluconate - HCBBS Forum
26. What to do to reduce the chroma of polyester polyols? - HCBBS Forum
27. Futures experience a sharp drop; PVC market remains stable with a wait-and-see attitude - HCBBS Forum
28. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； July 3rd - HCBBS Forum
29. Emulsion polymerization of acrylates - HCBBS Forum
30. Are there any patterns or mnemonics regarding the biodegradability of various organic substances? ? - HCBBS Forum
31. What to do if there’s a leak in the compressor? - HCBBS Forum
32. Multiple new materials have been included in the list encouraging foreign investment - HCBBS Forum
33. One question per day, the correct answer will be rewarded with 6 wealth, and the participant will be rewarded with 2 wealth； April 21 - HCBBS Forum
34. sodium hypochlorite - HCBBS Forum
35. Plastics: Weak market activity; PVC prices remain stable at low levels - HCBBS Forum
36. Polyester produced by chemical fiber enterprises, here it is - HCBBS Forum
37. For a kettle equipped with a top condenser, how should temperature rise issues be handled later on? - HCBBS Forum
38. Mark-Houwink constant of polybutylene terephthalate (PBT) in DMF - HCBBS Forum
39. Reasons for PVC profile yellowing and countermeasures - HCBBS Forum
40. What are the testing parameters for recycled polypropylene? - HCBBS Forum
41. Is there anyone familiar with polyurea? - HCBBS Forum
42. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； March 24th - HCBBS Forum
43. Vacuum degree calculation - HCBBS Forum
44. The calcium hydroxide solution in this position frequently forms scale; seeking advice - HCBBS Forum
45. One question per day, the correct answer will be rewarded with 6 wealth, and the participant will be rewarded with 2 wealth； May 02 - HCBBS Forum
46. Solvay 175P silica and release agent for AEM/ACM hoses - HCBBS Forum
47. Regarding Tianjin Xindema DH series dispersants - HCBBS Forum
48. Acetylene outlet pipeline: phosphine detected; severe dust accumulation, which has a significant impact. Where lies the problem? - HCBBS Forum
49. For environmentally friendly plasticizers, Shandong Wantu is the top choice - HCBBS Forum
50. Advanced Materials Science* - HCBBS Forum
51. How to monitor online the conversion rate of liquid-phase materials and the degree of polymerization in chemical production - HCBBS Forum
52. Applications of polyurethane repair materials - HCBBS Forum
53. Another batch of projects is about to be completed - HCBBS Forum
54. Guide to the Spraying Application of Polyurethane Elastomers - HCBBS Forum
55. To create gray PVC, which gray pigment is most suitable for use in PVC systems? - HCBBS Forum
56. Fujian Shenyuan New Materials Co., Ltd.’s annual 400,000-ton polyamide integrated production project - HCBBS Forum
57. Analysis of PVC raw material prices on October 31 - HCBBS Forum
58. Consultation on new PVC project - HCBBS Forum
59. High-temperature resistant multi-functional lubricant HyPer C100 - HCBBS Forum
60. How to solve the problem of sticking to the reactor in PVC and PE production - HCBBS Forum
61. Low-melting-point polyester chips - HCBBS Forum
62. Polymer devolatilization - HCBBS Forum
63. Too much dichloroethane is produced as a by-product of conversion – how to reduce it? - HCBBS Forum
64. Which companies in China produce triethylaluminum? - HCBBS Forum
65. Which manufacturers produce activated carbon fibers specifically for hydrogen peroxide? - HCBBS Forum
66. What are the production technologies for high melt index polypropylene? - HCBBS Forum
67. The 40,000-ton-per-year ultra-high molecular weight polyethylene plant of Chengzhi Co., Ltd. has successfully completed its first trial run with material feeding - HCBBS Forum
68. Xinhan New Materials, the world’s largest producer of PEEK monomers, officially enters the full PEEK value chain - HCBBS Forum
69. Application areas of PU products - HCBBS Forum
70. Can valve material 304 replace WC6? - HCBBS Forum
71. Effect of different structures on the properties of polyurethane elastomers - HCBBS Forum
72. Seeking process experts on polyacrylamide, the flocculant used in alumina production - HCBBS Forum
73. Wuhan Chemical New Materials Pilot Testing Base Established - HCBBS Forum
74. Has Shaanxi **Tai also started the CPVC project? - HCBBS Forum
75. Domestic manufacturers of polyester chips - HCBBS Forum
76. Production technology - HCBBS Forum
77. distillation - HCBBS Forum
78. Common problems during polyurethane application and their solutions - HCBBS Forum
79. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； March 8th - HCBBS Forum
80. I’m asking all the experts here for help - HCBBS Forum
81. Acrylic technology - HCBBS Forum
82. The Shenghong Chemical high-end copolymer new material project is expected to go into operation in August - HCBBS Forum
83. Advantages of polyurethane coatings - HCBBS Forum
84. How can new chemical materials support future industries? - HCBBS Forum
85. Methods for dealing with excessive PVC stripping residues - HCBBS Forum
86. One question per day; those who answer correctly receive 6 wealth points, while participants get 2 wealth points as a reward； January 2nd - HCBBS Forum
87. The Fengyuan HeTai (Lanzhou) New Materials plant’s project for the annual production of 2,000 tons of modified polyurethane has been completed and is now in trial production phase - HCBBS Forum
88. What are the differences between dry acetylene and wet acetylene? - HCBBS Forum
89. What happens to pp when it is exposed to heat? - HCBBS Forum
90. Brands of high-pressure cleaning equipment for PVC reaction kettles - HCBBS Forum
91. The effect of chemical factors on bonding strength - HCBBS Forum
92. One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； June 23rd - HCBBS Forum
93. Where can plasticizer performance evaluation be done - HCBBS Forum
94. Total investment of 1 billion yuan! Shandong’s 80,000-ton PMMA project achieved successful commissioning in one go - HCBBS Forum
95. EN 13445-11 - HCBBS Forum
96. Problems arising after replacing lead salts with PVC calcium-zinc stabilizers, cause analysis, and treatment methods - HCBBS Forum
97. Differences between polyvinyl chloride, polyethylene, and cross-linked polyethylene as cable insulation materials - HCBBS Forum
98. Dear sea friends, after removing the slurry separator behind the generator, has the inner wall turned completely black in any cases? - HCBBS Forum
99. After adding a polyethylene glycol solution to the catalyst and carrying out the reaction, the resulting liquid turns yellow - HCBBS Forum
100. The differential pressure level gauge in the high-level tank experiences large fluctuations. I wonder if colleagues have encountered the same issue - HCBBS Forum