a***n
发帖数: 578 | 1 Is there a way to estimate wheter a polymer is expensive or not? For example,
given two polymers, how to judge which one is cheaper? Thanks in advance |
l*****r
发帖数: 2123 | 2 Price?
depend on demand and supply
nothing to do with structure
【在 a***n 的大作中提到】
: Is there a way to estimate wheter a polymer is expensive or not? For example,
: given two polymers, how to judge which one is cheaper? Thanks in advance
|
a***n
发帖数: 578 | 3 really? Why some polymer is so expensive even the demand is huge?
a big reason that fuel cell can't be popular is that the using polymer is very
expensive.
example,
【在 l*****r 的大作中提到】
: Price?
: depend on demand and supply
: nothing to do with structure
|
b**s
发帖数: 589 | 4 一看，就知道马哲没学好，这是价值和价格的关系。价格 = 成本 + 利润。
买的人多，利润就可以小一点也可以赚钱
应该是 成本 = 原料成本 + 合成成本（自由基< 缩合 < 阳离子... ?） + 提纯成本 +
保存成本
very
【在 a***n 的大作中提到】
: really? Why some polymer is so expensive even the demand is huge?
: a big reason that fuel cell can't be popular is that the using polymer is very
: expensive.
:
: example,
|
a***n
发帖数: 578 | 5
where to find those information?
advance
【在 b**s 的大作中提到】
: 一看，就知道马哲没学好，这是价值和价格的关系。价格 = 成本 + 利润。
: 买的人多，利润就可以小一点也可以赚钱
: 应该是 成本 = 原料成本 + 合成成本（自由基< 缩合 < 阳离子... ?） + 提纯成本 +
: 保存成本
:
: very
|
N****n
发帖数: 85 | 6 Maybe it is difficult to synthesized
very
【在 a***n 的大作中提到】
: really? Why some polymer is so expensive even the demand is huge?
: a big reason that fuel cell can't be popular is that the using polymer is very
: expensive.
:
: example,
|
