酚醛樹脂砂 的英文怎麼說
中文拼音 [fēnquánshùzhīshā]
酚醛樹脂砂
英文
phenol resin sand-
It is showed that toughness of phenol resin after modified has been increased, tensile strength and transverse strength of precoated sand and collapsibility of molding sand, which have been improved obviously
改性后的酚醛樹脂韌性增強，覆膜砂抗拉強度和抗彎強度明顯提高，型砂的潰散性得到了改善。Thermoplastic phenol - formaldehyde resin bond synthesized by solution po1ymeization is commonly used in making diamond grinding wheel, which has disadvantages such as : absorbing moisture, difficult mixing, can not being long term store, needing curing agent, and giving off dangerous gas
目前，金剛石樹脂砂輪普遍採用溶液聚合熱塑性酚醛樹脂作結合劑，此結合劑存在著易吸潮結團、混料困難、不易長期存放，需加固化劑才能固化，且固化過程中有大量的有害氣體溢出，使用時需要加工成粉末等缺點。Properties of modified phenol resin, precoated sand preparation and property test have been narrated
摘要敘述了改性酚醛樹脂的性能、及膜砂制備配方及其性能測定。A manufacturing process of high performance coated sand phenolic resin was introduced
摘要介紹了一種高性能覆膜砂用酚醛樹脂的製作工藝。It is made of fused magnesite and high purity flake graphite by adding metal composite antioxidant and phenolic resin as binder. it has the excellent properties of corrosion resistance, spalling resistance, resistance to oxidation and better thermal shock resistance. it can be used in all kinds of converters, eaf, refining ladles and common ladles. upon request, multiple lining - up designs of reasonable materials can be provided according to the working conditions of above mentioned furnaces
採用電熔鎂砂、高純鱗片石墨為主要原料，添加金屬復合抗氧化劑，以酚醛樹脂為結合劑製成的製品具有優良的抗浸蝕性、抗剝落性、抗氧化性和良好的抗熱震性，適用於各種容量的轉爐、電爐、精煉鋼包及普通鋼包，本公司可根據用戶要求，針對上述4種熱工窯爐的具體使用條件提出爐襯的材質綜合砌築方案。Principle and technique of sand consolidation with novel epoxy - phenolic resins system
酚醛樹脂體系的固砂原理與技術The results showed that compressive strength of sand mixture was markedly raised by using the silane coupling agent which can improve the surface contact state between sand and the binder
試驗結果表明，硅烷偶聯劑可以改善黏結劑與砂粒表面的接觸狀態，極大地提高堿酚醛樹脂砂的黏結強度。分享友人