農(nóng)膜用紫外線吸收劑和光穩(wěn)定劑產(chǎn)品介紹
2020.05.09
農(nóng)膜的老化很大一部分是來自紫外線的照射，所以其配方中要添加紫外線吸收劑或光穩(wěn)定劑。添加了紫外線吸收劑后，如同在農(nóng)膜表面圖上一層保護層一樣，可以將紫外線加以吸收后轉(zhuǎn)換成熱能。紫外線吸收劑能有效的延長農(nóng)膜的老化時間，甚至可以修補受傷的分子結(jié)構(gòu)。A large part of the aging of agricultural film comes from ultraviolet radiation, so ultraviolet absorbers or light stabilizers should be added to its formula. After adding UV absorbers, as a protective layer on the surface map of agricultural film, UV light can be absorbed and converted into heat energy. UV absorbers can effectively prolong the aging time of agricultural film, and even repair the damaged molecular structure.受阻胺類光穩(wěn)定劑（HALS）是20世紀(jì)70年代中期出現(xiàn)的一類新型高效穩(wěn)定劑，用于塑料、橡膠等高分子材料的防老化，其光穩(wěn)定效果是傳統(tǒng)吸收型光穩(wěn)定劑的2-4倍，且與許多樹脂具有良好的相溶性，是目前發(fā)展最快的一類光穩(wěn)定劑。HALS is a new type of high efficient stabilizer which appeared in the mid-1970s. It is used in the anti-aging of plastics, rubber and other polymer materials. Its light stability effect is 2-4 times of that of the traditional absorption light stabilizer, and it has good compatibility with many resins. HALS is the fastest developing light stabilizer at present.歐穩(wěn)德LS 622，是一種低聚受阻胺光穩(wěn)定劑，它廣泛應(yīng)用于聚烯烴，烯烴共聚物。該不影響最終產(chǎn)品的顏色和透明度，且易分散。歐穩(wěn)德LS 944可以有效提高薄制品的光穩(wěn)定性，尤其是纖維和薄膜制品。它是厚和薄制品的高效、長效熱穩(wěn)定劑，有良好的抗萃取性。OMNISTAB LS 622 is a light stabilizer of hindered amines. It is widely used in polyolefin and olefin copolymers. The product does not affect the color and transparency of the final product, and it is easy to disperse. OMNISTAB LS 944 can effectively improve the optical stability of thin products, especially fiber and film products. It is a high efficient and long-term heat stabilizer for thick and thin products, with good anti extraction performance.通常情況下，兩種光穩(wěn)定劑并用或者紫外線吸收劑和光穩(wěn)定劑并用能夠給產(chǎn)品提供更加全面的保護。我司也可以提供LS622和LS944的混合產(chǎn)品LS 783，以方便客戶使用，使客戶有更好的服務(wù)體驗。In general, the combination of two light stabilizers or UV absorbers and light stabilizers can provide more comprehensive protection for products. We can also provide OMNISTAB LS622 and OMNISTAB LS944 mixed product OMNISTAB LS 783, to facilitate the use of customers, so that customers have a better service experience.淬滅劑指通過分子間的能量轉(zhuǎn)移（長程能量轉(zhuǎn)移和接觸或碰撞或交換能量轉(zhuǎn)移兩種），迅速而有效地將激發(fā)態(tài)分子（單線態(tài)氧和三線態(tài)物質(zhì)）淬滅，使轉(zhuǎn)變成熱能或轉(zhuǎn)變成熒光或磷光，而輻射散失，回到基態(tài)的一類物質(zhì)，通過這一過程，使其免遭紫外線破壞，從而達到穩(wěn)定高分子材料的目的。猝滅劑主要是金屬絡(luò)合物，如二價鎳絡(luò)合物等，常和紫外線吸收劑并用，起協(xié)同作用。因此，它有別于紫外線吸收劑（并不強烈吸收紫外線），且作用機理也不同于紫外線吸收劑（通過分子內(nèi)的結(jié)構(gòu)變化轉(zhuǎn)移能量），如常用鎳的有機化合物--UV1084，中文別名為2,2-硫代雙(4-叔辛基苯酚)正丁胺鎳鹽。Quencher is a kind of material which through intermolecular energy transfer(long-term energy transfer and contact or collision or exchange energy transfer), quickly and effectively to excited state molecules(singlet and triplet state substances)quenching and converted into heat energy or into a fluorescence or phosphorescence, and radiation loss, return to the ground state. Through this process, and make them from UV damage, so as to achieve the purpose of the stability of polymer materials. Quenching agents are mainly metal complexes, such as divalent nickel complex, and often used with ultraviolet absorption agents, play a synergistic role. Therefore, it is different from ultraviolet absorbent (which does not strongly absorb ultraviolet radiation), and its mechanism of action is different from ultraviolet absorbent (which transfers energy through structural changes within molecules). For example, UV 1084, is known as 2, 2-thio-bis (4-tert-octyl phenol) n-butylamine nickel salt in Chinese.OMNISTAB UV 1084主要應(yīng)用于聚乙烯棚膜、農(nóng)膜，不僅具有抗紫外線輻射的作用，而且具有抗氧化劑的功能，具有較高的耐農(nóng)藥、耐酸性，在聚丙烯、聚乙烯纖維、人造草坪等領(lǐng)域具有廣泛應(yīng)用。它屬于淬滅劑類光穩(wěn)定劑，能夠有效轉(zhuǎn)移聚合物中生色基團激發(fā)態(tài)能量并將其以無害的形式消散掉從而使聚合物免于光降解反應(yīng)。OMNISTAB UV 1084 is mainly used in polyethylene film and agricultural film. It not only has the function of anti-ultraviolet radiation, but also has the function of anti-oxidant. It has a high resistance to pesticides and acid, and is widely used in polypropylene, polyethylene fiber, artificial lawn and other fields.It is a quenching agent like light stabilizer, which can effectively transfer the excited state energy of the chromogenic groups in the polymer and dissipate it in a harmless form, thus making the polymer immune to photodegradation.OMNISTAB UV 1084著色性小對聚烯烴染料有螯合作用，可改善染色性，毒性低，對皮膚刺激性小，對常在高溫下使用或長期經(jīng)受日曬的制品尤為適宜。也可以與其他形式的穩(wěn)定劑很好的配合使用尤其是紫外線吸收劑類產(chǎn)品。與聚烯烴產(chǎn)品具有極強的兼容性。使用在聚乙烯農(nóng)用薄膜和聚丙烯人造草坪上具有極高的穩(wěn)定性。OMNISTAB UV 1084 has a small staining property, It chelates polyolefin dyes, it can improve dyeing properties, has low toxicity, and is less irritating to the skin. It is particularly suitable for products that are often used at high temperatures or subjected to prolonged exposure to the sun.It also works well with other forms of stabilizers, especially UV absorbers. It has strong compatibility with polyolefin products. It has high stability when used in polyethylene agricultural film and polypropylene artificial lawn.更多產(chǎn)品細(xì)節(jié)，請參考產(chǎn)品技術(shù)說明書。青島德達志成化工有限公司是一家專業(yè)生產(chǎn)和銷售各類紫外線吸收劑、光穩(wěn)定劑和高端抗氧劑的公司，致力于為您提供一站式的添加劑服務(wù)。更多詳細(xì)信息，歡迎電話咨詢我司銷售團隊！For more details, please refer to the product specification. DELTACHEM(QINGDAO)CO., LTD is a professional manufacturer and distributor of various ultraviolet absorbent, light stabilizer and high-end antioxidant, committed to providing one-stop additive service for you.For more details, please call our sales team!
