﻿SYNTHETIC 
  TEXTILE 
  FIBERS 
  — 
  MAUERSBERGER 
  155 
  

  

  cotton 
  fibers. 
  It 
  is 
  not 
  affected 
  by 
  organic 
  solvents. 
  It 
  is 
  not 
  thermo- 
  

   plastic 
  below 
  charring 
  temperatures. 
  It 
  withstands 
  sulfuric-acid 
  car- 
  

   bonization 
  as 
  well 
  as 
  wool. 
  Its 
  alkali 
  resistance 
  at 
  higher 
  temperatures 
  

   is 
  somewhat 
  lower, 
  so 
  low 
  temperatures 
  and 
  mild 
  alkaline 
  or 
  neutral 
  

   detergents 
  are 
  recommended 
  for 
  scouring 
  and 
  washing. 
  Considerable 
  

   research 
  has 
  been 
  done 
  on 
  dyeing 
  this 
  fiber 
  and 
  the 
  dyeing 
  problem 
  

   is 
  now 
  well 
  in 
  hand. 
  

  

  Uniformity 
  has 
  made 
  rapid 
  strides 
  and 
  is 
  now 
  well 
  under 
  control. 
  

   Being 
  an 
  animal 
  base, 
  it 
  burns 
  with 
  the 
  same 
  odor 
  and 
  bead 
  formation 
  

   as 
  wool 
  and 
  silk. 
  Its 
  strength, 
  both 
  dry 
  and 
  wet, 
  is 
  the 
  same 
  as 
  last 
  

   reported, 
  about 
  60 
  and 
  20 
  percent, 
  respectively, 
  that 
  of 
  wool. 
  Regain 
  

   at 
  70° 
  F. 
  and 
  65 
  percent 
  relative 
  humidity 
  is 
  12.6 
  percent. 
  Commer- 
  

   cial 
  regain 
  is 
  established 
  at 
  13 
  percent. 
  

  

  The 
  largest 
  textile 
  use 
  of 
  Aralac 
  at 
  present 
  is 
  in 
  dress 
  goods, 
  but 
  it 
  

   is 
  expanding 
  into 
  other 
  uses, 
  where 
  a 
  resilient, 
  lofty 
  hand 
  is 
  desired. 
  

   The 
  hat 
  trade 
  absorbs 
  large 
  quantities 
  and 
  practically 
  every 
  man's 
  felt- 
  

   hat 
  in 
  this 
  country 
  and 
  Canada, 
  which 
  has 
  been 
  made 
  within 
  the 
  past 
  

   3 
  years 
  contains 
  some 
  Aralac 
  fiber. 
  

  

  It 
  looks 
  as 
  if 
  this 
  fiber 
  will 
  go 
  far, 
  especially 
  under 
  present 
  war 
  

   conditions 
  and 
  with 
  pressing 
  needs 
  for 
  fiber 
  conservation 
  in 
  the 
  textile 
  

   industry. 
  

  

  SOYBEAN 
  FIBER 
  

  

  Ford 
  Motor 
  Co. 
  of 
  Dearborn, 
  Mich., 
  has 
  considerably 
  enlarged 
  

   the 
  production 
  of 
  this 
  staple 
  fiber 
  which 
  was 
  explained 
  quite 
  fully 
  

   in 
  my 
  1940 
  paper. 
  The 
  company 
  has 
  now 
  given 
  this 
  staple 
  fiber 
  

   the 
  trade 
  name 
  "Soylon," 
  and 
  I 
  understand 
  is 
  offering 
  it 
  to 
  the 
  cotton 
  

   and 
  worsted 
  spinning, 
  weaving, 
  and 
  knitting 
  trade 
  in 
  volume. 
  Robert 
  

   A. 
  Boyer 
  has 
  been 
  in 
  charge 
  of 
  this 
  development 
  at 
  Dearborn 
  and 
  

   reports 
  that 
  the 
  new 
  plant 
  has 
  now 
  reached 
  5,000 
  pounds 
  a 
  day 
  or 
  

   1,825,000 
  pounds 
  annually. 
  All 
  machinery 
  and 
  equipment 
  were 
  

   designed 
  by 
  Ford 
  engineers 
  and 
  are 
  supposed 
  to 
  incorporate 
  the 
  

   latest 
  mass-production 
  principles 
  and 
  devices. 
  3 
  The 
  fiber 
  has 
  been 
  

   improved 
  in 
  strength 
  and 
  other 
  physical, 
  chemical, 
  and 
  microscopical 
  

   properties. 
  

  

  PEANUT 
  PROTEIN 
  FIBER 
  

  

  It 
  appears 
  that 
  casein 
  of 
  animal 
  origin 
  and 
  soybean 
  of 
  vegetable 
  

   base 
  points 
  to 
  the 
  future 
  use 
  of 
  other 
  vegetable 
  proteins 
  for 
  textile 
  

   fiber 
  manufacture. 
  An 
  instance 
  is 
  a 
  textile 
  staple 
  fiber 
  from 
  peanut 
  

   protein. 
  

  

  Reports 
  indicate 
  that 
  Imperial 
  Chemical 
  Industries, 
  Ltd., 
  of 
  Glas- 
  

   gow, 
  Scotland, 
  has 
  done 
  considerable 
  research 
  work, 
  and 
  D. 
  K. 
  Baird 
  

  

  * 
  Since 
  delivery 
  of 
  this 
  paper 
  Ford 
  Motor 
  Co. 
  has 
  sold 
  this 
  entire 
  equipment 
  to 
  The 
  

   Drackett 
  Co. 
  of 
  Cincinnati, 
  Ohio, 
  and 
  has 
  discontinued 
  the 
  manufacture 
  of 
  this 
  fiber. 
  

  

  