ARMY MIL-A-70604 (2)-1996 AMINE BONDING AGENT《胺粘接剂》.pdf

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1、MIL-A-70604 (2) 9999906 2037566 T70 1 INCH-POUND I MIL-A-70604 (AR) AMENDMENT 2 O1 March 1996 SUPERSEDING AMENDMENT 1 23 November 1990 MILITARY SPECIFICATION AMINE BONDING AGENT This Amendment forms a part of Military Specification MIL-A-70604 (AR), dated 22 April 88, and is approved for use by the

2、US Army Armament Research, Development and Engineering Center, and is available for use by all Departments and Agencies of the Department of Defense. PAGE 1 * 1.1 Scone. Change “one type“ to “two types“. Add the following paragraph: * “1.2 Class ificaton . The amine bonding agent shall be of the fol

3、lowing types: Type I - For use in the M864 system. Type II - For use in the M913 system.“ * 2.1.1 Spec ifications, standa rds a nd handboo ks. Delete: “MIL-STD-105 - Sampling Procedures and Tables for Inspection by Attributes“ PAGE 2 * 2.2 Ot her Publicatio ns. Add the following: “ANSI/ASQC 21.4-100

4、3 - Sampling Procedure and Tables for inspection by Attributes (Application for copies should be addressed to: American , National Standards Institute (ANSI), 11 West 42nd Street, New York, NY 10036). AMSC N/A 1 of 7 FSC 6810 DISTRIBUTION S TATEMENT A. Approved for public release; distribution is un

5、limited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-70604 (2) 9999%Ob 2037567 907 MIL-P-70604 (AR) it AMENDMENT 2 PAGE 3 * 3.1 Comrsosition . Delete in its entirety and substitute the . following: “3.1 Composition. Type I amine bonding age

6、nt is the result of the reaction between tetraethylenepentamine and acrylonitrile to form Tepan. Type II amine bonding agent is the result of reaction of Tepan with glycidol to form Tepanol. The type I or II material shall conform to the requirements of Table 1.“ Change Table I to the following: “TA

7、BLE I. Chemical and Physical Properties for Amine Bonding Agents Type 1 Type 11 Applicable ProDertv in Max Min Max Test Paraa ranh Total Amine, eq/100g 1.1 1.6 0.8 1.2 4.5.2 500 - 500 4.5.4 Ammonia, ppm - 0.85 - 0.5 4.5.5 Moisture, % - Viscosity, 25 C, cps 500 1,000 30,000 60,000 4.5.6 Hydroxyl Cont

8、ent, NA NA 0.4 0.6 4.5.9 Requirement eq/lOOg * 3.2 Infrared Spect rum. Delete in its entirety and substitute the following: “3.2 Inf rared Spect rum. The IR spectrum of the sample for the Type I amine bonding agent shall contain the major peaks shown in Figure I when tested in accordance with 4.5.7.

9、“ Change the title of Figure 1 from “Figure 1 - IR Spectrum for Amine Bonding Agent“ to “Figure 1 - IR Spectrum for Type I Amine Bonding Agent II PAGE 7 JI. 4.3.2 inspect ion to be rserformed . Delete Table II in its entirety and substitute the new Table II included. 2 Provided by IHSNot for ResaleN

10、o reproduction or networking permitted without license from IHS-,-,-I 4 pi O 4 P Y Y m hh rid cc O0 HH H a, v Qi v . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-70604 (AR) AMENDMENT 2 PAGE 8 * 4.4.1 Lot format ion. Delete “MIL-STD-105“ and

11、replace with “ANSI/ASQC 21.4“ 4.4.3.1 -li ng. Change sample size table t,o the following: “Number of Containers Number of Containers in Batch to be Sampled 2 - 200 2 Over 5 II PAGE 9 * Delete Table III in its entirety and substitute the following: “TABLE III. Classification of Defects. Requirement D

12、efect Test/Exanation ParagraDh Classification Total amine 3.1 Major Ammonia 3.1 Ma or Moi s t Ure 3.1 Major . Viscosity 3.1 Major Infrared spectrum (Type I Only) 3.2 Ma or Hydroxyl content (Type II Only) 3.1 Ma or Workmanship . 3.4 Ma or I* 4.5.1 Seco ndaw a mine. Delete in its entirety. PAGE 13 4.5

13、.3 Tertian a mine. Delete in its entirety. PAGE 14 4.5.4.2 a. Delete in its entirety and substitute the following: Il a. Sodium hydroxide, 1OM. Add 40 grams of AR Grade NaOH to 80 ml of DI water in a 100 ml volumetric flask, dissolve, and dilute to volume with deionized water.“ PAGE 16 Add the follo

14、wing paragraphs: * “4.5.9 Hvdroxvl CO ntent. The hydroxyl content for amine bonding agent (Type II only) shall be determined as follows: 4.5.9.1 Eau irment. a. Steam bath. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-70604 (2) H 9999906 20

15、17570 4TL MIL-P-70604 (AR) AMENDMENT 2 b. Flask, 250 ml with ground glass joints and stoppers. c. Buret, 50 ml. d. Pipette, 20 ml. e. Balance, analytical. 4.5.9.2 Peaae nts. a. Acetic Anhydride, AR grade. b. Pyridine, AR grade. c. Sodium Hydroxide, AR grade. d. Acetylating reagent. Add 30 ml of acet

16、ic acid to 470 ml pyridine, mix thoroughly. Prepare fresh daily. Store in a dark bottle. e. Sodium Hydroxide solution 0.5 N in methanol, standardized. f. Phenolphthalein indicator, 1 % in alcohol. g. DI water. 4.5.9.3 Procedu re. NOTE: Run sample in triplicate. Dry all glassware in 110 C . oven prio

17、r to use. a. Weigh a 0.4 to 0.5 gm sample of Type II amine bonding agent to the nearest 0.0001 gm into a 250 ml flask. Record the weight as Ws. b. Using a 20 ml volumetric pipette, add exactly 20 ml of acetylating reagent to each flask. c. Prepare three blanks containing 20 ml aliquot of acetylating

18、 reagent and carry blanks through the entire treatment of the sample. d. Moisten glass stoppers with pyridine and seat loosely. e. Assure sample is completely dissolved in acetylating reagent. f. Heat samples and blanks gently on steam bath for one hour. 5 Provided by IHSNot for ResaleNo reproductio

19、n or networking permitted without license from IHS-,-,-MIL-A-70604 (2) MIL-P-70604 (AR) AMENDMENT 2 W 9999906 2017571 338 g. Add 50 ml DI water, rinsing stopper and inside walls of flask. h. Swirl the contents to ensure thorough mixing and heat on steam bath for five (5) minutes. i. Remove flasks an

20、d cool to room temperature. j. Rinse stoppers and inside walls with 5-10 ml DI water. k. Add one-half dropper of phenolphthalein indicator and titrate with standard 0.5N sodium hydroxide to the appearance of the first permanent pink coloration. Record the volume of the blanks, Vb, and samples, Vs. N

21、OTE: Volume of the blanks must agree within 0.1 ml. 1. Calculate the hydroxyl content as follows: (Vb - v,) x N lOXW, Hydroxyl Content, eq / 1OOg = - Nh Where : v, = vs = w, = N= Nh = * 5.2 Marking. Change the average volume of the titrant, sodium hydroxide for the blanks. the average volume of titr

22、ant, sodium hydroxide for the sample. normality of the titrant, sodium hydroxide. weight of the sample. secondary amine content, eq/100g.Ii PAGE 16 “LONG TERM STORAGE SHOULD BE BELOW 32 F TO PRESERVE PRODUCT QUALITY“ to the following: “LONG TERM STORAGE SHOULD BE AT OR BELOW O F TO PRESERVE PRODUCT

23、QUALITY.“ * 6.1 Intended use . Delete in its entirety and substitute the following: “6.1 Intended use . Type I amine bonding agent 1s intended for use in the base-bleed unit of the M864. Type II amine bonding agent is intended for use in the M913 rocket motor.“ 6 Provided by IHSNot for ResaleNo repr

24、oduction or networking permitted without license from IHS-,-,-r MIL-A-70b04 (2) 99999Ob 2037572 274 MIL-P-70604 (AR) AMENDMENT 2 NOTE : The margins of this amendment are marked with an asterisk or vertical line to indicate where changes (additions, modifications, corrections, deletions) from the pre

25、vious amendment were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous amendment. Custodian ArIKly-AR Preparing activity AW-AR ( Pro j ect 681 O -AO 16 1 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-