TW200406448A - Flame retarded resin composition - Google Patents
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- TW200406448A TW200406448A TW91132141A TW91132141A TW200406448A TW 200406448 A TW200406448 A TW 200406448A TW 91132141 A TW91132141 A TW 91132141A TW 91132141 A TW91132141 A TW 91132141A TW 200406448 A TW200406448 A TW 200406448A
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Description
五、發明說明(/ ) 本發明係關於應用於電機、電子、電器產品之阻燃性 樹脂組成物,尤指不含i!素、低產煙量、高耐燃性之阻 性樹脂組成物。 w 高分子聚合物在現在的生活中已成為不可缺少的材 料,因其擁有高強度、高塑性、價格低廉且容易取得等等 夕項優點,因此將局分子聚合物應用到生活上的各項界具 及用品以成為一種便捷的必備材料。 然而高分子材料雖然有上述之種種優點,但相較於其 它金屬、陶磁材料更容易燃燒,現階段為了改善高分子浐 合物的燃燒特性,最常見及有效的方法為將函;併:三= 化二錄與高分子聚合物加以摻配,以形成阻燃性樹脂組二 物,此種阻燃性樹脂組成物雖然成本低廉,並具有良好的 阻燃效果。然而當其燃燒時,會產生大量的黑煙與函化氯 氣體,往往在火災時遮蔽了視線,以至阻礙了逃生速度, 同時又會啥傷逃生者的呼吸系統造成人命傷亡。因此縱使 δ亥種阻燃性樹脂組成物具有阻燃性之效果,仍無法被普及 使用於複雜之建築結構或其它方面之場合。μ 曰 因此,本發明主要目的在提供更具安全性的阻燃性樹 脂組成物,其可達到阻燃特性並同時具有不產生濃煙與齒 化氫氣體等安全及環保特性之阻燃性樹脂組成物。 為達到上述目的,本發明之阻燃性樹脂組成物,其組 成包含: a公克的樹脂’其中樹脂可以選自熱塑性或熱固性樹 3 200406448V. Description of the Invention (/) The present invention relates to flame-retardant resin compositions used in electrical, electronic, and electrical products, especially resistive resin compositions that do not contain i !, low smoke yield, and high flame resistance. w High-molecular polymers have become indispensable materials in today's life. Because of their high strength, high plasticity, low price and easy access, etc., they have been applied to various aspects of life. Boundaries and supplies become a convenient and necessary material. However, despite the above-mentioned advantages of polymer materials, compared with other metals and ceramic magnetic materials, they are easier to burn. At this stage, in order to improve the combustion characteristics of polymer admixtures, the most common and effective method is to use letters; and: = Hua Erlu is blended with high-molecular polymers to form a flame retardant resin group two. Although this flame retardant resin composition is low in cost, it has a good flame retardant effect. However, when it burns, it will produce a large amount of black smoke and halogenated chlorine gas, which often obstructs sight during a fire and even hinders the escape speed. At the same time, it can hurt the escapeee's respiratory system and cause human casualties. Therefore, even if the δ-type flame retardant resin composition has the flame retardant effect, it cannot be widely used in complex building structures or other occasions. μ: Therefore, the main object of the present invention is to provide a flame retardant resin composition with more safety, which can achieve the flame retardant properties and at the same time have the safety and environmental protection characteristics such as no dense smoke and tooth hydrogen gas.组合 物。 Composition. In order to achieve the above object, the flame-retardant resin composition of the present invention comprises: a gram of resin 'wherein the resin may be selected from a thermoplastic or a thermosetting tree 3 200406448
1 1 - I A7 - ~~--—————2Z____ 五、發明說明(2) 脂單獨或2種以上併用; (請先閱讀背面之注意事項再填寫本頁) ^ b公克的極性單體或其改質之熱塑性或熱固性樹脂依 而要獨用或2種以上併用,並使a+b=A= i〇〇 pHR,其中 PHR(Per-Hundred Resin )為以取一百份重量的樹脂作為配 料基準之配料方式,例如取樹脂1〇〇重量份,加入3〇重量 伤可塑劑’此時稱加入的可塑劑為3〇pHR ; c公克的多微孔結構無機物、d公克的非鹵素耐燃劑、 e a克的無機填充耐燃物c+d+e=B=:相對a (樹脂份量)的 〇· 1〜350 PHR,其中c、d、e得以單獨使用或混合使用。 為使貴審查委員進一步了解前述發明目的及特徵, 茲詳細說明如后: --線· 有關本舍明之阻燃性樹脂組成物,其成份包括有:一 種或多種混合使用之熱塑性或熱固性樹脂,可視耐燃需求 遥擇。使用之樹脂種類例如有聚乙烯、聚丙烯、乙烯與乙 酸乙烯共聚物(E V A樹脂)、乙烯與丙烯酸乙酯共聚物 (E E A樹脂)、乙烯與丙烯酸共聚物(e e A樹脂)、 乙烯與辛烯酸共聚物(P〇E樹脂)、聚4 _曱基_丄一 戊烯、_子鍵聚合物、聚1 一 丁烯、1,2 一 丁二烯、聚苯 乙烯(PS樹脂)、丙烯一苯乙烯樹脂(as樹脂)、丙 烯一丁二烯一苯乙烯樹脂(ABS樹脂)、聚對甲基苯乙 烯、丁二烯一苯乙烯嵌段聚合物(K膠、s b s樹脂)、 笨乙烯異戊二烯嵌段聚合物(S I S樹脂)、苯以稀—曱 基丙烯酸曱酯嵌段聚合物(MS樹脂)、苯乙稀—順丁稀 二酸酒酐共聚物(S Μ A樹脂)、笨乙烯一馬來醯亞胺共 4 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) 200406448 I ' i 1 A7 __ ___B7_____ 五、發明說明(> )1 1-I A7-~~ --—————— 2Z____ V. Description of the invention (2) Separate or two or more types of grease; (Please read the precautions on the back before filling out this page) ^ Polarity sheet of bg Body or its modified thermoplastic or thermosetting resins should be used alone or in combination of two or more types, and a + b = A = 100 pHR, where PHR (Per-Hundred Resin) is 100 parts by weight Resin is used as the basis of the formulation. For example, take 100 parts by weight of resin and add 30 weight of plasticizer. 'The plasticizer added at this time is called 30pHR; c grams of microporous inorganic substances, d grams of non- Halogen flame retardant, ea gram of inorganic filled flame retardant c + d + e = B =: 0.1 to 350 PHR relative to a (resin content), where c, d, and e can be used alone or in combination. In order to further understand the purpose and characteristics of the invention, your reviewers are described in detail as follows:-Line · The flame retardant resin composition of Ben Sheming includes the following: one or more thermoplastic or thermosetting resins used in combination, Remote selection based on fire resistance requirements. The types of resins used are, for example, polyethylene, polypropylene, ethylene and vinyl acetate copolymer (EVA resin), ethylene and ethyl acrylate copolymer (EEA resin), ethylene and acrylic copolymer (ee A resin), ethylene and octene Acid copolymer (POE resin), poly 4 _fluorenyl_fluorene-pentene, _ sub-bond polymer, poly 1-butene, 1,2 butadiene, polystyrene (PS resin), propylene Monostyrene resin (as resin), propylene-butadiene-styrene resin (ABS resin), poly-p-methylstyrene, butadiene-styrene block polymer (K glue, sbs resin), styrene vinyl Isoprene block polymer (SIS resin), benzene dilute-fluorenyl acrylate block polymer (MS resin), styrene-maleic anhydride copolymer (S M A resin) There are 4 papers of stupid ethylene and maleimide. The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210 X 297 mm) 200406448 I 'i 1 A7 __ ___B7_____ 5. Description of the invention (>)
聚物(S Μ I樹脂)、苯乙烯—N 一苯基馬來醯亞胺共聚 物(S Μ I樹脂)、甲基丙烯酸曱酯—丁二稀一苯乙烯樹_ 月旨(MBS樹脂)、丙烯酸酯—丙烯氰一苯乙烯樹脂(Α AS樹脂)、丙烯氰一氯化聚乙烯一苯乙烯樹脂(acS 樹脂)、丙烯氰一苯乙烯一(乙烯一丙烯一二烯烴三元共 聚橡膠)多元共聚樹脂(A E S樹脂)、氯化乙烯、二氯 乙烯、偏聚二氯乙烯、氣化聚乙烯、聚醯胺樹脂、聚碳酸 樹脂(P C )、聚甲醛、聚苯醚、聚對苯二甲酸乙二醇酯 (PET)、聚對苯二甲酸丁二醇酯(pbt)、聚苯硫 醚、聚醚銅、聚醯亞胺、有機矽樹脂、聚甲基丙烯酸甲 S旨、纖維素樹脂、聚乙烯醇縮酸樹脂、聚氨脂樹脂、聚醇 酸樹脂、酚醛樹脂、胺基樹脂(脲曱醛樹脂、三聚氰氨曱 酸樹脂)、環氧樹脂、不飽和聚脂樹脂、呋喃樹脂、天然 膠(NR)、異戊二烯橡膠(ir) 、丁二烯苯乙烯橡膠 (SBR) 、丁二烯一丙烯氫橡膠(NBR) 、丁二烯橡 膠(BR)、乙烯一丙烯一二烯烴三元共聚橡膠(ep R、EPDM) 、丁基橡膠(IIR)、聚硫橡膠、丙烯 橡膠、聚乙縮醛(P〇Μ )、聚氧化苯烯(p p〇)、聚 硫化苯稀(P P S )、聚硼樹脂(polysulfone )、聚四氟 乙稀(P T F E,polytetraf luoroethylene )、聚芳香基 狀酸酯(D P A,polyarylphthalate )、石夕化樹脂(Si resin)、聚苯胺醯胺 polyanl ideimide ( P A D )、雙馬 來酿亞胺一三嗪 bismaleimide-triazine (BT resin)、聚 ί& 胺雙馬來 Si 亞胺 polyamide bismaleleimide ( P A B 5 本纸張尺度適用中國國家標準(CNS)A4規格(210 χ 297公釐) (請先閱讀背面之注意事項再填寫本頁) · --線· 200406448 A7 B7 五、發明說明(1) M)、稀烴一乙稀基一醇共聚物〇iefin—viny 1— aich〇hol compolymer ( GL resin ) 、聚氧化苯烯 polyoxybenzyleneC FOB)、聚甲基戊烯 polymethylpentene ( T P X )、聚醚 楓 polyethersulfone ( P E S )、聚醚亞胺 polyetherimide (P E I )、聚芳香基酯 p〇iyaryiate ( P A R )、聚醚 醚酮(P E E K)。 將上述之樹脂選擇性以一種或多種混合耐燃劑,該種 财燃劑特別是一種填氮系财燃劑,其包括有磷酸二氫銨、 磷酸氫二銨、磷酸脲素、磷酸鳥苷尿素、多聚磷酸銨、磷 酸三聚氰胺、三聚氰胺、紅磷膠囊化之白磷、紅磷、多磷 酸銨、磷酸脂、亞磷酸脂系等耐燃劑。 碟系耐燃劑之耐燃過程原理為,其在於燃燒時,一方 面促使高分子材料先行脫水作用,使碳氫化合物之氫與空 氣中的氧形成水,藉以降低周遭環境的溫度而達到耐燃的 效果;一方面在高溫加熱下會分解磷酸,促使高分子化合 物的碳化,而形成不燃性焦炭層。另外磷酸在高溫下會進 一步脫水酯化,形成聚磷酸,為一玻璃狀熔融體。熔融體 覆i於燃燒物表面,形成一保護層,阻止氧氣進入高分子 未燃燒的内層,以及抑制揮發性裂解物的釋放,進而阻止 火焰的傳播,達到耐燃的效果,若配合氮系之耐燃劑可得 更好之效果。 為使樹脂與耐燃劑之間有較良好的結合效果,進一步 添加極性單體或受其改質之熱塑性或熱固性樹脂,此一做 (請先閱讀背面之注意事項再填寫本頁) - --線· 200406448 A7 五、發明說明(f) 法可使得:燃樹脂得到較高之抗張強度,但也會造成較高 之成本。S材料本身添加耐燃材料後仍有足夠物理特性 時,此做法得以省略。在此所謂之極性單體舉列有(a) i 碳到50碳飽和與不飽和酸化合物及其鹽類(b) 2碳到5〇 碳飽和與不飽和酸酐化合物及其鹽類(c) 2碳腈到50碳飽 和與不飽和腈化合物及其鹽類⑷2碳到5G碳飽和與不飽 矛fc化a物(e) 2碳到50碳飽和與不飽和醇化合物(丨)驗 金族、鹼土族、過渡元素金屬及其鹽類與其偶合劑。在此 所述之受其改質之熱塑性或熱固性樹脂與例舉之樹脂種類 相同。 、 另外,為增加耐燃效果,樹脂與混合 添加各種形式之阻燃劑,本發明中之多微孔結;1 新型Μ㈣,㈣膽c的界定多微孔 直徑小於-以下稱為毫孔(micr_res),孔洞直;= 2咖到50咖之間則稱為間隙孔(㈣〇p〇r⑼,本發 、 微孔結構物質(一oporous an“es〇p〇r〇us贴㈣: 入局分子樹脂,有助於高分子樹脂的阻燃性, =:質有益於高分子材料的阻燃性,主要係因為擁有下 ⑴可增加焦炭殼層(char layer)的形成。形成隹山私 層有效的阻止外部氧氣向内部傳輸,另_方面=二 子聚合物燃燒產生的熱能向外部傳遞。 /夕尚分 ⑵在燃燒機構中,自由基連鎖反應會切斷高& 5物成為寡分子型的燃料。這-些無機鹽類在高溫 本纸張尺度適用中國國家標準(CNS)A4規格(210 x 297公釐)Polymer (SM resin), styrene-N-phenylmaleimide copolymer (SM resin), methyl methacrylate-butadiene monostyrene tree _ month purpose (MBS resin) Acrylate-acrylic cyanide-styrene resin (AA resin), acryl cyanide-chlorinated polyethylene-styrene resin (acS resin), acryl cyanide-styrene one (ethylene-propylene-diene ternary copolymer rubber) Multi-component copolymer resin (AES resin), vinyl chloride, vinyl chloride, vinylidene chloride, gasified polyethylene, polyamide resin, polycarbonate resin (PC), polyoxymethylene, polyphenylene ether, polyparaphenylene terephthalate Polyethylene formate (PET), polybutylene terephthalate (pbt), polyphenylene sulfide, copper polyether, polyimide, silicone resin, polymethylmethacrylate, cellulose Resin, polyvinyl acid resin, polyurethane resin, polyurethane resin, phenol resin, amine resin (urea resin, melamine resin), epoxy resin, unsaturated polyester resin, Furan resin, natural rubber (NR), isoprene rubber (IR), butadiene styrene Rubber (SBR), butadiene-propylene hydrogen rubber (NBR), butadiene rubber (BR), ethylene-propylene-diene terpolymer copolymer rubber (ep R, EPDM), butyl rubber (IIR), polysulfide Rubber, acrylic rubber, polyacetal (POM), polyoxyalkylene (pp0), polysulfide styrene (PPS), polysulfone, polytetrafluoroethylene (PTFE) , Polyarylphthalate (DPA, polyarylphthalate), Si resin, polyanl ideimide (PAD), bismaleimide-triazine (BT resin), polyimide ί & Amine bismalei Si imide polyamide bismaleleimide (PAB 5 This paper size applies to Chinese National Standard (CNS) A4 specification (210 χ 297 mm) (Please read the precautions on the back before filling out this page) ·- Line · 200406448 A7 B7 V. Description of the invention (1) M), dilute hydrocarbon-vinyl alcohol copolymer 0iefin—viny 1— aichhol compolymer (GL resin), polyoxybenzyleneC FOB), polymethyl Polymethylpentene (TPX), polypentene Maple polyethersulfone (P E S), polyether imide polyetherimide (P E I), polyaryl ester p〇iyaryiate (P A R), polyether ether ketone (P E E K). The above-mentioned resin is optionally mixed with one or more kinds of flame retardants. The fuel burner, especially a nitrogen-filled fuel burner, includes dihydrogen ammonium phosphate, diammonium hydrogen phosphate, urea phosphate, and guanosine phosphate. , Ammonium polyphosphate, melamine phosphate, melamine, red phosphorus encapsulated white phosphorus, red phosphorus, ammonium polyphosphate, phosphate, phosphite and other flame retardants. The principle of the flame-resistant process of dish-based flame retardants is that during combustion, on the one hand, it promotes the dehydration of polymer materials on the one hand, so that the hydrogen of hydrocarbons and oxygen in the air form water, thereby reducing the temperature of the surrounding environment to achieve flame resistance. ; On the one hand, it will decompose phosphoric acid under high temperature heating, promote the carbonization of polymer compounds, and form a non-combustible coke layer. In addition, phosphoric acid will be further dehydrated and esterified at high temperature to form polyphosphoric acid, which is a glassy melt. The molten body is covered on the surface of the combustion material to form a protective layer, which prevents oxygen from entering the unburned inner layer of the polymer, and inhibits the release of volatile pyrolysates, thereby preventing the spread of the flame and achieving the effect of flame resistance. Agent can get better results. In order to make the resin and the flame retardant have a better binding effect, further add polar monomers or modified thermoplastic or thermosetting resins, do this (please read the precautions on the back before filling this page)-- Line · 200406448 A7 V. Explanation of the invention (f) The method can make the flame retardant resin get higher tensile strength, but it will also cause higher cost. This practice can be omitted when the S material itself has sufficient physical properties after the addition of a flame resistant material. Examples of the so-called polar monomers are (a) i carbon to 50 carbon saturated and unsaturated acid compounds and their salts (b) 2 carbon to 50 carbon saturated and unsaturated acid anhydride compounds and their salts (c) 2 carbonitrile to 50 carbon saturated and unsaturated nitrile compounds and their salts ⑷ 2 carbon to 5G carbon saturated and unsaturated phenol compounds (e) 2 carbon to 50 carbon saturated and unsaturated alcohol compounds (丨) gold test family , Alkaline earths, transition element metals and their salts and their coupling agents. The modified thermoplastic or thermosetting resins described herein are the same as the resins exemplified. In addition, in order to increase the flame resistance, various forms of flame retardants are added to the resin and the mixture. The microporous junction in the present invention; 1 The new microsphere, the diameter of the defined micropore is smaller than-hereinafter referred to as millipore (micr_res ), The pores are straight; = between 2 and 50 coffee is called interstitial pores (㈣〇p〇r⑼, the present, microporous structure material (a oporous an "es〇p〇r〇us stickers :: incoming molecular resin , Contributes to the flame retardancy of polymer resins, =: The quality is beneficial to the flame retardancy of polymer materials, mainly because having a chin can increase the formation of a char layer (char layer). The formation of Laoshan private layer is effective Prevent external oxygen from being transmitted to the inside, and the other aspect is that the thermal energy generated by the combustion of the dipolymer is transferred to the outside. / Xishang Ting In the combustion mechanism, the free radical chain reaction will cut off the high & These inorganic salts are suitable for Chinese National Standards (CNS) A4 (210 x 297 mm) at high temperature.
(請先閱讀背面之注意事項再填寫本頁) -n n n . -n n cl 訂---- •線· 200406448 A7 五、發明說明(& ) 下,成為路易士酸的吸收者。將連鎖反應中的自由基加以 吸收,阻斷自由基連鎖反應,使燃燒反應不再進行。 (3)在廷多微孔結構物質,因結構組成的因素,有錯 紅複雜的路徑和極大的表面積。導致氧氣的傳輸路徑處處 又到阻擾。可燃物高分子聚合物被區隔成斷斷續續的狀 況,造成燃燒的困難。 穩定存在的多微孔結構物質之化學組成包含:五氧化 鈮(Nb205),三氧化二鋁(Al2〇3),二氧化鈦(Ti〇2),二氧化 鍅(ΖΚΜ,三氧化鎢(woo,三氧化矽鋁(A1Si〇3),五氧化 石夕紹(AlSiG5),四氧化鈦石夕⑽叫),二氧化秒(Si〇2),四 氧化矽(sioj,磷酸鋁(A1P〇4),磷酸銘·金屬化合物(MeAip〇) 等等。 另外,還可以進一步加入無機填充物作為主無機耐燃 填充劑或輔助無機耐燃物,以降低成本及補強物理性質。 燃物、氧氣、發火能量或溫度、化學連鎖反應為燃 燒的四大條件,當無機物有能提供阻斷燃燒的四大條件時 才可稱為主戒機耐燃填充劑,本發明之主無機耐燃填充 包含氫氧化物至氧化物系耐燃劑,種類有:氫氧化鋁、氫 氧,鎂、氫氧化鈣、鹼性碳酸鎂、.hy〇dr〇talcite.型複金屬 氫氧化物,氧化I呂、氧化鎭、氧化飼;石朋酸鹽系对燃劑有 硼I辞、硼酸、硼砂、偏硼酸鋅、偏硼酸鋇等;錫酸鹽糸 耐燃劑使用錫酸辞、羥基錫酸辞等;録系二 化録、五氧化録及録酸納;及其他氧化翻:、:1:鐵:: 粉、碳酸鈉鋁、碳酸鈣、硫酸鎂、膨脹性石墨粉等等。(Please read the precautions on the back before filling this page) -n n n. -N n cl Order ---- • Line · 200406448 A7 V. Become the absorber of Lewis acid under the description of the invention (&). The free radicals in the chain reaction are absorbed, and the free radical chain reaction is blocked, so that the combustion reaction no longer proceeds. (3) Due to the structure of the microporous structure, there are complex and complicated paths and a large surface area. As a result, the oxygen transmission path is blocked everywhere. The combustible polymer is separated into intermittent conditions, which makes it difficult to burn. The chemical composition of the stable microporous structure material includes: niobium pentoxide (Nb205), aluminum oxide (Al203), titanium dioxide (Ti〇2), hafnium dioxide (ZKK, tungsten oxide (woo, three Silicon aluminum oxide (A1Si〇3), stone pentoxide (AlSiG5), titanium tetraoxide stone howl, silicon dioxide (SiO2), silicon tetraoxide (sioj, aluminum phosphate (A1P〇4), Phosphate phosphate, metal compound (MeAip〇), etc. In addition, an inorganic filler can be further added as the main inorganic flame retardant filler or auxiliary inorganic flame retardant to reduce costs and strengthen physical properties. Fuel, oxygen, ignition energy or temperature 4. The chemical chain reaction is the four major conditions of combustion. When the inorganic materials can provide the four major conditions to block the combustion, it can be called the main ring flame resistant filler. The main inorganic flame resistant filler of the present invention contains hydroxide to oxide system. Flame retardants, types are: aluminum hydroxide, hydroxide, magnesium, calcium hydroxide, alkaline magnesium carbonate, .hyerodrtaliteite type metal hydroxides, oxidized lutetium, thorium oxide, oxidized feed; Shi Peng The acid salt has boron, Boric acid, borax, zinc metaborate, barium metaborate, etc .; stannate and flame retardants use stannous acid, hydroxystannous acid, etc .; Records are dichemical records, pentaoxide records and sodium acid records; and other oxidation translation :, : 1: Iron :: powder, sodium aluminum carbonate, calcium carbonate, magnesium sulfate, expanded graphite powder, etc.
S ¥ 張尺度適用中國g豕標準(Cns)a4規格(210 X 297公着)""--------- ’S ¥ Zhang scale applies to Chinese g 豕 standard (Cns) a4 specification (210 X 297) quotation " --------- ’
---------------- (請先閱讀背面之注意事項再填寫本頁) 訂· _ --線· 200406448 五、發明說明( 合釋;、氫氧化鎮、氫氧化料氫氧化物再受熱時 曰釋放出水》子,水分子氣化將帶走—部分燃燒之執量; 錢性石墨粉有隔絕氧氣與可燃物接觸的能力等因此才為 主無機耐燃劑。以上無機耐燃劑可單獨使用, 分 以二^上組合會有更好之阻燃效果。 一“ ”、、機物擁有不燃性,以成為填充性耐燃劑使用即為 辅助無_燃物,例如雲母、硫酸鋇、硫_、石膏、氧 化石夕山Γ /呆土、氧化銘、碳酸齊、碳酸鎮舞、石夕酸約、滑 石、鬲嶺土、黏土、沸石、碳黑、玻纖等。 顧及上述耐燃性無機物與樹脂之相容性,耐燃樹脂組 口物之成型性外觀等因素。無機物建議使用平均粒徑為 〇· 〇1 25 u米,尤其是〇·卜2微米左右者為宜。基於同樣理 由,無機化合物表面得以脂肪酸、脂肪酸Si胺、脂肪酸 鹽、脂肪酸月旨、脂肪族醇、石夕烷偶合劑、鈦偶合劑、鍅偶 合劑、矽烷油、磷酸脂等表面處理,則可得平整之成型外 觀0 另外。在火場時常有濃煙發生,因為燃燒時會產生一 些小粒子,這-些小粒子因火場溫度差與熱氣流的擾動, 造成小粒子碎片到處飛揚,阻礙人們的視界,影響人們火 場逃生的能力,為避免或減少煙發生量,我們會適當地在 阻燃性樹脂組成中加入抑煙劑。阻燃性樹脂組成物使用的 抑煙劑,包含硼酸鹽之硼酸辞、硼酸胺、偏硼酸鋇;鉬酸 鹽之氧化鉬、鉬酸辞、鉬酸胺;磷酸鹽之磷酸鋅、磷酸 銅、磷酸鎳·,與硫酸鋅、草酸鉻、草酸銅等等。其有助於 9 200406448 A7 五、發明說明(& ) 燃燒的完全性,避免燃燒後的產物避免成為固體小粒子, 以利危險時刻人們逃生的機會。 再者,摻入高分子量之矽氧烷(sil〇xane)聚合物有助 於降低燃燒時之放熱量(得以減少燃燒中將大分子熱裂解 成易燃小分子的速率)及發煙量(減少火場逃生之障礙, f加人員生存之機會)。並且更勝於其他無機添加劑的 是,不會有添加越多,加工越困難的情形。這是一種有助 於阻止燃燒的好方法。 其它方面,本發明之阻燃性樹脂組成物可混配其他聚 合物或添加劑以達到其它目的,此等添加劑例有抗靜電 劑、抗氧化劑、光安定劑、熱安定劑、防結塊劑、耐燃助 劑、滑劑、紫外線吸收劑、發泡劑、發泡助劑、顏料、染 料、硬化劑、交聯劑、交聯助劑等。 本發明阻燃性樹脂組成物予以秤取適當之重量比例, 置於高分子樹脂捏合、摻合或混合用機器,將上述各成份 加以均勻分配,才能得到一致性及良好的機械性質與阻燃 特性之材料。使用設備如布斯混合器、萬馬力混合器、利 拿混合器、加壓混拌器、單軸壓出機、雙軸壓出機、滾 輪、反應槽等等之混練器具加以混合。必要時可經製粒步 驟,以押出成型、射出成型、壓縮成型、熱壓成型、中空 成型、發泡成型等方法,依據目的物而選用的成型加工手 去I成貝用型式的阻燃性樹脂成型品。亦得以利用電子 射線照射加以交聯。由於本發明之耐燃性樹脂組成物具有 良好阻燃效果,因此適用於生產電線電纜、漆包線、建築 本關家鮮(CNS)A4 規格(21G X 297 公f ------------------------ (Please read the precautions on the back before filling this page) Order · _-Line · 200406448 V. Description of the invention (combined release; Hydroxide Hydroxide releases water when heated again, and water molecules will be taken away by gasification-partial burning capacity; graphite graphite powder has the ability to block oxygen from contact with combustible materials, and is therefore the main inorganic flame retardant. .The above inorganic flame retardants can be used alone, and the combination of the above two flame retardants will have better flame retardant effect. One "", the machine has non-combustibility, and the use of filling flame retardants is an auxiliary non-combustible material. For example, mica, barium sulfate, sulfur, gypsum, oxidized stone Xishan Γ / dead soil, oxidized salt, carbonic acid carbonate, carbonated ballroom dance, stone Xi acid acid, talc, kaolin clay, clay, zeolite, carbon black, glass fiber Taking into account the compatibility of the above-mentioned flame-resistant inorganic substances with resin, the moldability appearance of the flame-resistant resin composition, etc. It is recommended to use an inorganic particle with an average particle size of 0.25 metre, especially about 0.2 um For the same reason, the surface of inorganic compounds is Acid Si amines, fatty acid salts, fatty acid salts, aliphatic alcohols, petrolatum coupling agents, titanium coupling agents, osmium coupling agents, silane oils, phosphate esters and other surface treatments can obtain a flat molding appearance. 0 In addition, in the fire Smoke often occurs in the field because some small particles are generated during combustion. These small particles are caused by the temperature difference of the fire field and the disturbance of the hot air flow, causing small particle fragments to fly around, obstructing people's horizons, and affecting people's ability to escape the fire field. In order to avoid or reduce the amount of smoke, we will appropriately add a smoke suppressant to the flame retardant resin composition. The smoke suppressant used in the flame retardant resin composition includes borate, borate, amine borate, and barium metaborate. ; Molybdenum oxide, molybdate, amine molybdate; zinc phosphate, copper phosphate, nickel phosphate, and zinc sulfate, chromium oxalate, copper oxalate, etc. It helps 9 200406448 A7 V. Description of the invention (&) The completeness of combustion, avoiding the products after combustion to avoid becoming small solid particles, in order to facilitate the opportunity for people to escape at a dangerous time. Furthermore, doped with high molecular weight siloxane Polymers help reduce the amount of heat generated during combustion (to reduce the rate at which macromolecules are thermally cracked into flammable small molecules during combustion) and the amount of smoke (reduce barriers to escape from the fire, and increase the chance of survival for personnel). What is better than other inorganic additives is that there will be no more adding and processing will be more difficult. This is a good method to help prevent combustion. In other aspects, the flame-retardant resin composition of the present invention can be mixed with other Polymers or additives for other purposes. Examples of such additives are antistatic agents, antioxidants, light stabilizers, heat stabilizers, anti-caking agents, flame retardants, slip agents, ultraviolet absorbers, foaming agents, hair Foam additives, pigments, dyes, hardeners, cross-linking agents, cross-linking assistants, etc. The flame-retardant resin composition of the present invention is weighed to an appropriate weight ratio and placed in a polymer resin kneading, blending or mixing machine Only when the above components are uniformly distributed, can a material with consistency and good mechanical properties and flame retardancy be obtained. Use equipment such as a Booth mixer, ten-horsepower mixer, snap mixer, pressurized mixer, uniaxial extruder, biaxial extruder, roller, reaction tank, etc. to mix. If necessary, the granulation step can be used for extrusion molding, injection molding, compression molding, hot compression molding, hollow molding, foam molding and other methods. The molding process selected according to the target object is to reduce the flame resistance of the shell. Resin molding. It was also able to be crosslinked using electron beam irradiation. Because the flame-resistant resin composition of the present invention has a good flame retardant effect, it is suitable for the production of electric wires and cables, enameled wires, and construction. This product is a CNS A4 specification (21G X 297 male f --------
- -n n n ϋ · (請先閱讀背面之注意事項再填寫本頁) 訂·- --線- 200406448 A7 _______________B7 五、發明說明(7 ) 材料、電機、電子、電器零件、元件。 以下炫將本發明所提供阻燃性樹脂組成物,以多種實 施例型態詳細說明如下: 、 實施例一: 一種阻燃性樹脂組成物,其特徵為包含: a a克的熱塑性或熱固性樹脂,其中樹脂種類可依需 要獨用或2種以上並用。 b公克的極性單體或其改質之熱塑性或熱固性樹脂(可 依而要獨用或2種以上並用)。a+br=A=1〇〇 p服,其中a及匕 的重量可成任一比例,但通常在考慮成本的因數下,a可 設計的比b多,其中PHR(Per—Hundred Resin)為以取一百 份重量的樹脂作為配料基準之配料方式,例如取樹脂1〇〇 重量份,加入30重量份可塑劑,此時稱加入的可塑劑為 30PHR 。 c公克的多微孔結構無機物、d公克的非鹵素耐燃 劑、e公克的無機填充耐燃物,c+d+e=rB=相對A(樹脂份量) 的(Μ〜350 PHR。其中c、d、e得以單獨使用或混合使用。 f公克的抑煙劑、g公克的高分子量之矽氧烷 (siloxane)聚合物,f+g=E=相對A(樹脂份量)的〇.丨〜35〇 PHR。( f、g得以單獨使用或混合使用)。相對a (樹 脂份量)的0· ;1〜350 PHR。 實施例二: 另一種阻燃性樹脂組成物,其組成為包含: 本纸張尺度適用中國國家標準(CNS)A4規格(210 x 297公釐)--n n n ϋ · (Please read the precautions on the back before filling this page) Order ·---- Line 200406448 A7 _______________B7 V. Description of the invention (7) Materials, motors, electronics, electrical parts, components. The following is a detailed description of the flame-retardant resin composition provided by the present invention in various embodiments as follows: 1. Embodiment 1: A flame-retardant resin composition characterized by including: aa gram of thermoplastic or thermosetting resin, Among them, the resin type can be used alone or in combination of two or more kinds as required. b grams of polar monomer or modified thermoplastic or thermosetting resin (can be used alone or in combination of two or more). a + br = A = 1〇p service, where the weight of a and dagger can be any ratio, but usually considering the cost factor, a can be designed more than b, where PHR (Per-Hundred Resin) is An ingredient method based on taking 100 parts by weight of resin as an ingredient basis, for example, taking 100 parts by weight of resin and adding 30 parts by weight of a plasticizer, at this time, the added plasticizer is called 30PHR. c grams of microporous structure inorganics, d grams of non-halogen flame retardants, e grams of inorganic filled flame retardants, c + d + e = rB = (M ~ 350 PHR relative to A (resin content), where c, d , E can be used alone or in combination. Fg smoke suppressant, gg high molecular weight siloxane polymer, f + g = E = relative A (resin content). 丨 ~ 35 PHR. (F, g can be used alone or in combination). 0 · relative to a (resin amount); 1 ~ 350 PHR. Example 2: Another flame retardant resin composition, the composition of which includes: This paper Applicable to China National Standard (CNS) A4 (210 x 297 mm)
200406448200406448
五、發明說明(/d ) a公克的熱塑性或熱固性樹脂,其中樹脂種類可依需 要獨用或2種以上並用。 b公克的極性單體或其改質之熱塑性或熱固性樹脂(可 依而要獨用或2種以上並用)。a+b=A=i〇〇 PHR,其中a及b 的重量可成任一比例,但通常在考慮成本的因數下,a可 設計的比b多。 c公克的多微孔結構無機物、d公克的非鹵素耐燃 劑、e公克的無機填充耐燃物,c+d+e=B=相對A(樹脂份量) 的〇·1〜350 PHR。(c、d、⑽以單獨使用或混合使用)。 f單位重量的抑煙劑,f=G=相對A(樹脂份量)的 〇·卜350 PHR。(f、g得以單獨使用或混合使用),B+G=H二相 對A(樹脂份量)的〇.;[〜350 PHR。 實施例三: 又一種阻燃性樹脂組成物,其組成為包含: a么克的熱塑性或熱固性樹脂,其中樹脂種類可依需 要獨用或2種以上並用。 b公克的極性單體或其改質之熱塑性或熱固性樹脂(可 依需要獨用或2種以上並用),a+b=A=1〇〇 pHR,其中3及匕 的重量可成任一比例,但通常在考慮成本的因數下,&可 設計的比b多。 c公克的多微孔結構無機物、d公克的非鹵素耐炒 劑、e公克的無機填充耐燃物,c+d+e=B=相對A(樹脂份量) 的〇·卜350 PHR。(c、d、e得以單獨使用或混合使用)。 (請先閱讀背面之注意事項再填寫本頁) --線· 12 200406448 放 A7 五、發明說明(// 將以上貫施例針對抗張強度、伸長率、氧指數(〇xygen index)、UL耐燃等級進行測試,各種測試及實驗結果說明 如下: (a)抗張強度:製造成啞鈴試片,以拉力機向外延伸 施加力量,測其斷裂時隻每單位面積所承受之力量。 抗張強度(kg/mm2)=拉力(kg)/啞鈴試片施力截面積 (mm2) \b)伸長率·製造成啞鈴試片,以拉力機向外延伸施 加力里,測其斷裂時隻每單位長度所產生長度形變的百分 比。 L〇=原啞鈴試片標記長度 Ll =斷裂時啞鈐試片標記長度 伸長率(%)KL1-L0)/(L0) (c)關於氧指數之測試方法(astm卿⑽5. Description of the invention (/ d) a gram of thermoplastic or thermosetting resin, of which the resin type can be used alone or in combination of two or more. b grams of polar monomer or modified thermoplastic or thermosetting resin (can be used alone or in combination of two or more). a + b = A = i〇〇 PHR, where the weight of a and b can be any ratio, but usually considering the cost factor, a can be designed more than b. c gram microporous structure inorganic substance, d gram non-halogen flame retardant, e gram inorganic filled flame retardant, c + d + e = B = 0.1 to 350 PHR relative to A (resin content). (C, d, ⑽ used alone or mixed). f smoke suppressant per unit weight, f = G = 0.3 PHR relative to A (resin amount). (F, g can be used alone or in combination), B + G = H two phases relative to A (resin amount); 0; [~ 350 PHR. Embodiment 3: Another flame-retardant resin composition, comprising: a gram of thermoplastic or thermosetting resin, wherein the resin type can be used alone or in combination of two or more kinds as required. b grams of polar monomer or modified thermoplastic or thermosetting resin (can be used alone or in combination of two or more), a + b = A = 10.00pHR, where the weight of 3 and dagger can be any ratio , But usually considering the cost factor, & can be designed more than b. c gram of microporous structure inorganic substance, d gram of non-halogen frying agent, e gram of inorganic filled flame retardant, c + d + e = B = ρ 350 PHR relative to A (resin content). (C, d, e can be used alone or in combination). (Please read the precautions on the back before filling this page)-Line · 2004200448 A7 V. Description of the invention (// The above examples are directed to tensile strength, elongation, oxygen index (〇xygen index), UL The fire resistance level is tested, and the results of various tests and experiments are described as follows: (a) Tensile strength: made into a dumbbell test piece, using a tensile machine to extend the force, and measure the force per unit area when it breaks. Strength (kg / mm2) = Pull force (kg) / Dumbbell test piece force cross-sectional area (mm2) \ b) Elongation · Manufactured into a dumbbell test piece, using a tensile machine to extend outward to apply force. The percentage of length deformation per unit length. L〇 = Label length of original dumbbell test piece Ll = Mark length of dummy test piece when broken Elongation (%) KL1-L0) / (L0) (c) Test method for oxygen index (astm
Index)如下: g 首先,製備試片,試片的尺忖規格為長15〇職寬6_, 二子^在設備上調整氧氣與氮氣的進氣量。等到進氣氣 μ〜疋後以樣品專用之手把,將樣品以直立的方 入玻璃罩中間位置。 :電子點火搶在樣品上沿處’點燃後計時。 提頁降低氧氣之供給量;…無法點燃時, 表不科回乳氣知供給量。判定基準為:火越如虫鼠燭般辦 13 -------------f (請先閱讀背面之注意事項再填寫本頁) -----訂---------線Λ!.! 本紙張尺度適用中 ϋο X 297 公釐) 200406448 A7 五、發明說明(/>) 燒,燃燒情形在3分鐘或5公分記號時熄滅 應量之百分比例稱氧指數,計算公式為: Oxygen Index -(ι〇〇 x 〇2)/(N2+〇2)% 此時氧氣供Index) is as follows: g First, a test piece is prepared, and the size of the test piece is 150 mm in length and 6 mm in width. The second child ^ adjusts the intake air volume of oxygen and nitrogen on the device. Wait until the intake air μ ~ 疋, and use the sample handle to put the sample upright into the middle of the glass cover. : The electronic ignition grabs the upper edge of the sample and ignites the time. Lifting the page reduces the supply of oxygen;… when it cannot be ignited, it is necessary to know the supply of milk. The judging criterion is: the fire is more like a insect candle 13 ------------- f (Please read the precautions on the back before filling this page) ----- Order ---- ----- Line Λ!.! Applicable to this paper size ϋο X 297 mm) 200406448 A7 V. Description of the invention (/ >) Burning, burning situation in 3 minutes or 5 cm mark extinction percentage The oxygen index is calculated by the formula: Oxygen Index-(ι〇〇x 〇2) / (N2 + 〇2)%
(d)關於UL94 V-0 ’ H和V-2之測試概述如下. 製備試片,試片尺寸為127mi長,127醜寬(厚度依兩 要限定為12. 7刪)。將試片懸掛於試驗機夾具上,試片= 方305mm處舖上5lmmx51_X6imn的棉花層。調整本生: 1 火〇:長度為胸,以本生燈對試片加以點燃。點燃時間: 判定基準: (1) 點燃後移開火源,火焰續燃時間,十次之總人在 5" 少以内’並且在試驗過程中未滴落火苗導致棉火 者’稱為V-0耐燃材料。 (2) 點燃後移開火源,火焰續燃時間,之總人 250秒以内,並且在試驗過程中未滴落火苗導致棉花^火 者’稱為V-1耐燃材料。 (3) 點燃後移開火源,火焰續燃時間, 總合 挪秒以上,或在試驗過程中滴落火苗導致棉花著 稱為V-2对燃材料。 代號說明: (a)樹脂 A001 LLDPE 14 本紙張尺度適用中國國家標準(C.NS)A4規格(210 X 297公釐) (請先閱讀背面之注意事項再填寫本頁) -0 · --線· 200406448 , A7 _B7_ 五、發明說明(丨3 ) (請先閱讀背面之注意事項再填寫本頁)(d) The test summary of UL94 V-0 ′ H and V-2 is summarized as follows. Prepare a test piece with a size of 127mi long and 127 ugly width (thickness is limited to 12.7 delete according to two). The test piece is hung on the fixture of the testing machine, and a cotton layer of 5lmmx51_X6imn is placed on the test piece = square 305mm. Adjusting Bunsen: 1 Fire 〇: The length is the chest, ignite the test piece with Bunsen burner. Ignition time: Judgment criteria: (1) Remove the source of ignition after ignition, the flame afterflame time, the total number of times is less than 5 "less than" and the flame is not dripped during the test, and those who cause cotton fires "are called V- 0 flame resistant material. (2) Remove the ignition source after ignition, and the flame will last for less than 250 seconds, and the cotton will not be ignited by the flame during the test, which is called V-1 flame retardant material. (3) Remove the source of ignition after ignition, the flame afterflame time is more than a total of seconds, or the dripping of the flame during the test causes the cotton to be called V-2 anti-combustion material. Code description: (a) Resin A001 LLDPE 14 This paper size is applicable to China National Standard (C.NS) A4 (210 X 297 mm) (Please read the precautions on the back before filling this page) -0 · --- line · 200406448, A7 _B7_ V. Description of the invention (丨 3) (Please read the precautions on the back before filling this page)
A002 EVA A003 EPDM A004茂金屬PEA002 EVA A003 EPDM A004 Metallocene PE
(b) 極性單體改質之熱塑性或熱固性樹脂 B001馬來酸改質PE (c) 多微孔結構無機物 C001多微孔二氧化矽 (d) 填氮系对燃劑 D001磷酸胺 D002紅磷 D003磷酸脂 (e) 無機填充耐燃物 E001氫氧化鎂 E002氫氧化鋁 (f )抑煙劑 F001硼酸鋅 (g)矽氧烷聚合物 G001 4-7081(道康寧公司產品) 實例說明: 實例一、 1-1 A004 95 B001 5 C001 20 D001 10 D002 0 15 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) 200406448 A7 _B7 五、發明說明(//) E001 130 F001 10 G001 5 Irganox 1010 2 抗張強度(kg/mm2) 583 伸長率(%) 1.05 氧指數(01) 29.3 UL耐燃等級 V-0 抗氧化劑Irganox 1010 (汽巴精化公司產品) (請先閱讀背面之注意事項再填寫本頁) 一渗 空氣中氧氣含量約20.8(即氧指數為20.8),一般聚乙烯(PE)之氧指數 為18,亦即在空氣中點火將不會自己熄滅,有續燃的現象。在1-1與 1-2數值可得,經UL耐燃等級試驗,重複點燃十次,續燃時間總和不 會超過50秒。由氧指數試驗,在常溫下須多10%氧氣才會持續燃燒。 證明本發明之阻燃性樹脂組成物有相當良好的阻燃效果。 · 實例二 2-1 2-2 A002 83 83 B001 17 17 C001 17 17 D003 8.3 8.3 E002 150 125 F001 4.2 4.2 Irganox 1010 1.2 1.2 抗張強度(kg/mm2) 1.06 1.14 伸長率(%) 196 206 氧指數(01) 37.6 34.6 UL耐燃等級 V-0 V-0 抗氧化劑Irganox 1010 (汽巴精化公司產品) 16 •線 Φ 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) 200406448 A7 五、發明說明( 由1與2-2數值可得知,由氧指數試驗,在常溫下 秒魏聚合物’但氧指數會更好。丄 實例. 3-1 η A001 ' 7Π ' A003 30~ - C001 ΙΓ~~ D001 ~ 10 ^ E002 Ϊ30 ~ Irganox 1010 2 抗張強度(kg/mm2) 0.12~~" 伸長率(%) 142' ' 氧指數(01) 3U~~ UL耐燃等級 V-0~~'~ 抗氧化劑Irgan〇x刪(汽巴精化公司產品) ------I--------- (請先閱讀背面之注意事項再填寫本頁) 丁 卜中η數值可得知’少 極性大 5¾ B上述,本發明確可達到優異之耐燃性、 燃燒時不含幽素並有低產煙量,&已兼具實用性,: 被使用於現今產業界之耐燃材料製造方法中,同日士二 損I、進步性’並符合發明專利要件,爰依法提出申續 17 本紙張尺度適用中國 (CNS)A4 規格(21〇 X 297 公釐)(b) Thermoplastic or thermosetting resin modified by polar monomer B001 Maleic acid modified PE (c) Microporous structure inorganic substance C001 Microporous silica (d) Nitrogen-filled fuel agent D001 Phosphate D002 Red phosphorus D003 Phosphate (e) Inorganic filling flame retardant E001 Magnesium hydroxide E002 Aluminum hydroxide (f) Smoke suppressant F001 Zinc borate (g) Siloxane polymer G001 4-7081 (Product of Dow Corning) Example description: Example 1, 1-1 A004 95 B001 5 C001 20 D001 10 D002 0 15 This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) 200406448 A7 _B7 V. Description of the invention (//) E001 130 F001 10 G001 5 Irganox 1010 2 Tensile strength (kg / mm2) 583 Elongation (%) 1.05 Oxygen index (01) 29.3 UL flame resistance rating V-0 Antioxidant Irganox 1010 (Ciba Fine Chemicals Company) (Please read the precautions on the back first Fill in this page again) The oxygen content in a seepage air is about 20.8 (that is, the oxygen index is 20.8). The oxygen index of polyethylene (PE) is 18, that is, the ignition in the air will not extinguish itself, and there will be continued combustion. . Available at 1-1 and 1-2 values. After UL flame resistance test, repeated ignition ten times, the total afterflame time will not exceed 50 seconds. From the oxygen index test, 10% more oxygen is required to continue burning at room temperature. It is proved that the flame-retardant resin composition of the present invention has a fairly good flame-retardant effect. Example 2 2-1 2-2 A002 83 83 B001 17 17 C001 17 17 D003 8.3 8.3 E002 150 125 F001 4.2 4.2 Irganox 1010 1.2 1.2 Tensile strength (kg / mm2) 1.06 1.14 Elongation (%) 196 206 Oxygen index (01) 37.6 34.6 UL flame resistance rating V-0 V-0 Antioxidant Irganox 1010 (product of Ciba Refining Co., Ltd.) 16 • Wire Φ This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) 200406448 A7 V. Description of the invention (It can be known from the values of 1 and 2-2 that from the oxygen index test, the polymer will be better at room temperature but the oxygen index will be better. 丄 Example. 3-1 η A001 '7Π' A003 30 ~-C001 ΙΓ ~~ D001 ~ 10 ^ E002 Ϊ30 ~ Irganox 1010 2 Tensile strength (kg / mm2) 0.12 ~~ " Elongation (%) 142 '' Oxygen index (01) 3U ~~ UL flame resistance grade V- 0 ~~ '~ Antioxidant Irgan〇x delete (ciba refined chemical products) ------ I --------- (Please read the precautions on the back before filling this page) Ding Bu The value of η can be known that 'less polar and greater 5¾ B. As mentioned above, the present invention can indeed achieve excellent flame resistance, does not contain hormones during combustion, and has low smoke production. Practicality: It is used in the current manufacturing method of fire-resistant materials in the industry. It has the same damage as I, progress, and meets the requirements of invention patents. It is submitted in accordance with the law. 17 This paper size is applicable to China (CNS) A4 specifications (21 〇X 297 mm)
II
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CN112391002A (en) * | 2019-08-16 | 2021-02-23 | 南京理工大学 | Heat-shrinkable coating layer for solid propellant and preparation method thereof |
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CN112391002A (en) * | 2019-08-16 | 2021-02-23 | 南京理工大学 | Heat-shrinkable coating layer for solid propellant and preparation method thereof |
CN112391002B (en) * | 2019-08-16 | 2022-05-27 | 南京理工大学 | Heat-shrinkable coating layer for solid propellant and preparation method thereof |
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