ライフサイエンスコーパス: isotactic

1 lecular architectures, such as atactic block-isotactic and isotactic-block-atactic polymers in a one-

2 , enabling the baseline separation of highly isotactic and syndiotactic PMMAs of different molar mass

3 muir-Blodgett monolayers of various isomers (isotactic and syndiotactic) of poly(methyl methacrylate)

4 merization produces the highly stereoregular isotactic-b-syndiotactic stereoblock poly(methyl methacr

5 , narrow molecular weight distributions, and isotactic backbones can be readily synthesized.

6 ectures, such as atactic block-isotactic and isotactic-block-atactic polymers in a one-pot polymeriza

7 These highly isotactic chiral polymers exhibit an enhancement of the

8 tion temperature) of 44 degrees C, while its isotactic counterpart synthesized from enantiopure epoxi

9 Isotactic EPPE sequences are indicative of occasional mu

10 ctive sites (R =Me, i-Pr) yield alternating, isotactic ethylene/propylene copolymers with percentages

11 Highly isotactic (>99% mmmm) poly-1-hexene is produced with no

12 l carboxylic acid feet, and "steps" along an isotactic hydroxyl-group-derivatized polyether track by

13 ynthesis and characterization of atactic and isotactic linear poly(benzyl 1,2-glycerol carbonate)s ar

14 (S)-2 indicates that the polymers are highly isotactic materials.

15 Poly(lactic acid) featuring the new gradient isotactic multiblock microstructure was synthesized by i

16 trolled, producing essentially stereoperfect isotactic PDAA with [mmmm] > 99%, M(n) matching the theo

17 Isotactic PEPEP sequences and atactic EPPE sequence erro

18 Isotactic PEPEP sequences were observed for all metalloc

19 )ZnO(i)()Pr](2) polymerized (S,S)-lactide to isotactic PLA without epimerization of the monomer, rac-

20 clusters yields very different patterns for isotactic PMMA LB layers than for the syndiotactic and a

21 eating ion patterns from the TOF-SIMS of the isotactic PMMA monolayers are analyzed by considering bo

22 The double-helical structure of isotactic PMMA monolayers is verified using reflection a

23 s that the reduced beta (beta)-relaxation of isotactic PMMA most efficiently suppresses vibrational t

24 sulting double-helical tertiary structure of isotactic PMMA, a structure that does not form for the s

25 polymers have been studied using atactic and isotactic PMMA; atactic and brominated PS; and the semif

26 A polymerization but still leading to highly isotactic poly(allyl methacrylate) (PAMA) with 95-97% [m

27 Specifically, atactic and isotactic poly(benzyl glycidate carbonate)s are obtained

28 The stereocomplexation of isotactic poly(L-lactide) and poly(D-lactide) has led to

29 diotactic vinyl-functionalized polymers with isotactic poly(methyl methacrylate) and fullerene C60 ge

30 ll-defined stereoblock copolymers, atactic-b-isotactic poly(N,N-dimethylacrylamides), were obtained b

31 addition, the racemic catalyst forms highly isotactic poly(propylene oxide) in quantitative yield.

32 ly showed the ability to synthesize enriched isotactic polylactide with a Pm higher than 0.90 at room

33 se alcohol-bonded thioimidates yields highly isotactic polylactide with fast kinetics and living poly

34 es iso-rich material in contrast to the pure isotactic polymer microstructure obtained when degenerat

35 With the exception of site-controlled isotactic polymerization of alpha-olefins, none of these

36 Post-functionalization of isotactic polymers bearing the pendant vinyl group on ev

37 Photocuring of such isotactic polymers is also successful, producing an elas

38 synthesis of a series of naturally occurring isotactic polymethoxy compounds.

39 dissolution of linear polyethylene (PE) and isotactic polypropylene (iPP) are greatly influenced by

40 Polyethylene (PE) and isotactic polypropylene (iPP) constitute nearly two-thir

41 , stereospecificites, regiospecificites, and isotactic polypropylene (IPP) Mw.

42 ionizing production of polyethylene (PE) and isotactic polypropylene (iPP).

43 ene-block-regioirregular polypropylene-block-isotactic polypropylene pentablock copolymer was synthes

44 is of a number of block copolymers featuring isotactic polypropylene semicrystalline blocks and poly(

45 ene-block-regioirregular polypropylene-block-isotactic polypropylene triblock copolymers were synthes

46 he hydroxylated derivative of the commercial isotactic polypropylene was used as macroinitiator for t

47 An isotactic polypropylene-block-regioirregular polypropyle

48 ene-block-regioirregular polypropylene-block-isotactic polypropylene-block-regioirregular polypropyle

49 pylene)-block-syndiotactic polypropylene and isotactic polypropylene-block-regioirregular polypropyle

50 with a surface structure that produces only isotactic polypropylene.

51 tion is not necessary in the semicrystalline isotactic polypropylenes to achieve good mechanical perf

52 Unlike atactic PPO, isotactic PPO is semicrystalline with a melting temperat

53 In this paper, hydroxy-telechelic isotactic PPO is synthesized from racemic propylene oxid

54 g agents are used to give hydroxy-telechelic isotactic PPO of varying functionality and structure.

55 is no practical route to hydroxy-telechelic isotactic PPO using racemic propylene oxide as the monom

56 rmation of a polymer stereocomplex by mixing isotactic, regioregular chains of poly(propylene succina

57 es meso- and rac-lactide to heterotactic and isotactic stereoblock PLA, respectively.

58 ransfer polymerization of propene to provide isotactic stereoblock polypropene.

59 roperties of copolymers, a family of complex isotactic, syndiotactic, and atactic repeating sequence

60 s in three different isomeric forms, namely, isotactic, syndiotactic, and atactic.

61 w, rac-LA yields polymers highly enriched in isotactic tetrads (iii).

62 ornadiene) the structure was shown to be cis,isotactic, while for poly(7-oxa-2,3-dicarbomenthoxynorbo